Intro Ch 07 A
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The document discusses the functions and types of operating systems. It describes operating systems as providing a user interface, running programs, managing hardware devices, and organizing file storage. The main types are real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking. User interfaces can be graphical or command line. Common functions of an operating system include running programs, managing hardware, organizing files and folders, and enhancing the OS with utilities like backup software, anti-virus software, firewalls, and screen savers.
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Intro Ch 07 B
- Microsoft Windows is the most popular PC operating system, installed on about 95% of computers, with Apple and Linux making up the remaining 5%.
- DOS was an early single-user, single-tasking operating system that was powerful but only supported a command line interface. Windows NT was designed to be more stable and support multi-tasking and multi-users.
- Windows XP became Microsoft's newest desktop product and focused on enhancing digital multimedia and communication support while prioritizing mobile computing.
Interacting with your computer
This chapter discusses common computer input devices like the keyboard and mouse. It describes the standard QWERTY keyboard layout and the purpose of different types of keys. Mice can be mechanical or optical, and variants include trackballs and touchpads. Proper ergonomics are important to prevent repetitive strain injuries when using input devices extensively. The keyboard and mouse allow users to interact with computers by entering text, numbers, commands and selecting options.
Chapter 7A Peter Norton
The operating system is the most important program that runs on a computer and allows other programs to run. It performs basic tasks like managing input/output, files and directories, and peripheral devices. For large systems, the operating system also ensures different programs and users do not interfere with each other and is responsible for security. Operating systems provide a user interface, run programs, manage hardware devices, and organize file storage. Common types include real-time, single-tasking, multitasking, and multi-user systems.
Osi model
The document discusses the OSI model, which is a standard networking framework that defines 7 layers for network communication. Each layer provides services to the layer above it and receives services from the layer below it. The layers are physical, data link, network, transport, session, presentation, and application. The model separates network functions into logical layers to simplify network design, debugging, and management. It allows interoperability between different types of networks and systems.
Chapter 8A Peter Norton
This document discusses the history and development of the Internet and World Wide Web. It describes how ARPANET was developed by the Department of Defense in 1969 to connect universities and defense bases. The introduction of TCP/IP in the 1980s allowed commercial traffic on the network. Tim Berners-Lee developed the World Wide Web in 1993, allowing documents to be connected through hyperlinks. Popular services of the Internet include email, chat, file sharing, and the World Wide Web, which uses HTML and URLs to link documents through hyperlinks.
Intro Ch 09 A
A network connects computers and allows communication and collaboration between users. Common uses of networks include simultaneous access to shared data files, shared peripheral devices like printers, personal communication through email and video conferencing, easier backup of data, and access to shared software. Common network types include local area networks (LANs) contained within a single building, wide area networks (WANs) connecting multiple LANs over a large geographic area, and hybrid networks like campus area networks, metropolitan area networks, home area networks, and personal area networks.
Databases
A database management system (DBMS) stores and organizes large collections of data. The DBMS allows users to enter data into tables, query the data, and generate reports. There are two main types of databases - flat-file databases which are simpler but cannot handle large amounts of data efficiently, and relational databases which organize data across multiple tables and allow for more advanced querying and reporting. Working with a database involves defining tables and fields, entering and viewing data, sorting and querying the data, and generating reports from the results.
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Intro Ch 07 B
- Microsoft Windows is the most popular PC operating system, installed on about 95% of computers, with Apple and Linux making up the remaining 5%.
- DOS was an early single-user, single-tasking operating system that was powerful but only supported a command line interface. Windows NT was designed to be more stable and support multi-tasking and multi-users.
- Windows XP became Microsoft's newest desktop product and focused on enhancing digital multimedia and communication support while prioritizing mobile computing.
Interacting with your computer
This chapter discusses common computer input devices like the keyboard and mouse. It describes the standard QWERTY keyboard layout and the purpose of different types of keys. Mice can be mechanical or optical, and variants include trackballs and touchpads. Proper ergonomics are important to prevent repetitive strain injuries when using input devices extensively. The keyboard and mouse allow users to interact with computers by entering text, numbers, commands and selecting options.
Chapter 7A Peter Norton
The operating system is the most important program that runs on a computer and allows other programs to run. It performs basic tasks like managing input/output, files and directories, and peripheral devices. For large systems, the operating system also ensures different programs and users do not interfere with each other and is responsible for security. Operating systems provide a user interface, run programs, manage hardware devices, and organize file storage. Common types include real-time, single-tasking, multitasking, and multi-user systems.
Osi model
The document discusses the OSI model, which is a standard networking framework that defines 7 layers for network communication. Each layer provides services to the layer above it and receives services from the layer below it. The layers are physical, data link, network, transport, session, presentation, and application. The model separates network functions into logical layers to simplify network design, debugging, and management. It allows interoperability between different types of networks and systems.
Chapter 8A Peter Norton
This document discusses the history and development of the Internet and World Wide Web. It describes how ARPANET was developed by the Department of Defense in 1969 to connect universities and defense bases. The introduction of TCP/IP in the 1980s allowed commercial traffic on the network. Tim Berners-Lee developed the World Wide Web in 1993, allowing documents to be connected through hyperlinks. Popular services of the Internet include email, chat, file sharing, and the World Wide Web, which uses HTML and URLs to link documents through hyperlinks.
Intro Ch 09 A
A network connects computers and allows communication and collaboration between users. Common uses of networks include simultaneous access to shared data files, shared peripheral devices like printers, personal communication through email and video conferencing, easier backup of data, and access to shared software. Common network types include local area networks (LANs) contained within a single building, wide area networks (WANs) connecting multiple LANs over a large geographic area, and hybrid networks like campus area networks, metropolitan area networks, home area networks, and personal area networks.
Databases
A database management system (DBMS) stores and organizes large collections of data. The DBMS allows users to enter data into tables, query the data, and generate reports. There are two main types of databases - flat-file databases which are simpler but cannot handle large amounts of data efficiently, and relational databases which organize data across multiple tables and allow for more advanced querying and reporting. Working with a database involves defining tables and fields, entering and viewing data, sorting and querying the data, and generating reports from the results.
Intro Ch 06 A
The document describes different types of storage devices used in computers. It discusses magnetic storage devices like hard drives and floppy disks which use magnets to write binary data to iron oxide coated disks. Optical storage devices like CDs and DVDs are also covered, using lasers to write to disks. Finally, solid state devices are mentioned, which store data physically without moving parts, like flash memory in USB drives and cameras.
Peter Norton - Introduction to computers - Part 2
The document discusses how computers process data. It explains that data are raw facts while information is meaningful data. Computers represent data using binary numbers for simplicity and accuracy. The CPU, which contains a control unit and arithmetic logic unit, processes data. The control unit directs data flow while the ALU performs calculations. RAM and ROM are types of memory that differ in volatility and speed of access. Processor speed and number of transistors impact processing speed. Major CPU manufacturers include Intel, Motorola, and AMD.
Intro Ch 09 B
The document discusses different types of data communication connections. Modems are used to transmit digital data over standard phone lines at speeds up to 56 Kbps. Newer digital phone lines and broadband connections allow for faster transmission speeds. Digital subscriber line (DSL) and cable modem connections provide speeds between 100 Kbps to 30 Mbps for home users. Wireless networks use Wi-Fi to transmit data without cables at speeds up to 56 Mbps over distances of 50 to 150 meters from an access point.
Chapter 2B Peter Norton
This document discusses various input devices for computers beyond the traditional keyboard. It describes pen-based input devices like tablet PCs and PDAs that allow writing or pointing input. Touch screens are discussed as well as their common uses. Game controllers are covered as a way to enhance gaming experiences. Optical input devices like bar code scanners and image scanners are summarized. Audiovisual devices like microphones, MIDI, and digital cameras are also briefly outlined.
Intro Ch 04 A
The document discusses various types of computer monitors and video output devices. It describes cathode ray tube (CRT) monitors as the most common traditional monitor type and liquid crystal display (LCD) monitors as more modern. It also covers video cards, ergonomics considerations for monitors, data projectors, sound systems, and headphones/headsets.
Intro Ch 08 A
This document provides an overview of different types of productivity software, including word processing programs, spreadsheet programs, and presentation programs. It discusses how software can be acquired commercially, through freeware/shareware, or as open source. Key features of word processing, spreadsheet, and presentation programs are outlined, such as interfaces, entering and formatting text/data, and creating slides. Personal information managers are also introduced as software to track contacts and schedules.
Intro Ch 06 B
This document discusses ways to measure and improve drive performance, including average access time, data transfer rate, optimizing performance through disk optimization, cleaning unnecessary files, scanning for errors, defragmenting disks, file compression, and drive interface standards such as EIDE, SCSI, USB, and FireWire. The key steps recommended for optimizing performance are to run disk optimization, clean up unnecessary files, scan for errors, and defragment disks on a monthly basis.
Intro Ch 01 B
The document discusses the four main parts of a computer system: hardware, software, data, and users. It describes the essential hardware components, including processing devices like the CPU and secondary processors, memory devices like RAM and ROM, and input/output and storage devices. It also explains the two types of software - system software like the operating system, and application software that accomplishes specific tasks. Finally, it notes that data has no meaning on its own and is stored using binary numbers, while users interact with the computer depending on their abilities.
Peter Nortonโs๏ข Introduction to Computers
This document introduces computers and their basic components. It defines a computer as an electronic device that processes data. The four main parts of a computer system are hardware, software, data, and people. Hardware refers to the physical parts of the computer, software contains the computer's instructions, data is the raw facts manipulated by the computer, and people are the users. The document outlines the four types of computer hardware, two categories of software and their purposes, and four common types of computers and the jobs they perform best.
Intro ch 01_a
This document provides an overview of the history and basics of computer systems. It discusses how the modern definition of a computer emerged in the 1940s with the development of electronic computing devices. It describes some of the earliest electronic digital computers developed in the 1940s including the ABC, MARK-1, ENIAC, EDSAC, and UNIVAC-1. It explains the key components of a computer system according to von Neumann's influential report including input, processing, storage, and output of data. Finally, it briefly outlines how computers have impacted society through uses in homes, education, business, industry, government, and healthcare.
04 software system and application software
The document summarizes key concepts about software, including:
1) It describes the two main types of software: systems software and application software.
2) It outlines several popular operating systems like Windows, Mac OS X, and Linux and their roles.
3) It discusses how application software supports personal, workgroup, and enterprise goals.
Operating Systems
The document discusses different types of operating systems including desktop operating systems, server operating systems, and mobile operating systems. Desktop operating systems are recommended for personal use by different groups for reasons like ease of use, stability, and capabilities. Server operating systems are designed for multi-user environments and provide security, stability, and collaboration for applications like file sharing, web services, and email. Mobile operating systems control functions on devices like phones and tablets, with examples being Android and iOS.
The basics of information systems
Information systems
Collects, stores and organizes information
Retrieves value from data
Harness many types of data
Computerโs reason for existence
Chapter 2A Peter Norton
This document discusses computer input devices like keyboards and mice. It describes how keyboards work by sending unique codes to the CPU for each key pressed. Mice allow users to select objects on screen by moving a pointer and clicking buttons. Optical mice track movement using light reflection rather than mechanical parts. The document outlines ergonomic concerns for input devices and how to properly arrange a workstation to avoid repetitive strain injuries from prolonged use.
chapter 1 peter norton introduction to computers
This chapter introduces computers and their basic components. It defines a computer as an electronic device that processes data. A computer system has four main parts: hardware, software, data, and people. Hardware refers to the physical parts of the computer like the processor, memory, storage, and input/output devices. Software includes the programs or instructions that make the hardware work, divided into system software and application software. The chapter lists five professions where computers are commonly used and how they have changed people's work. It also outlines the four main types of computers and what tasks each performs best.
Intro Ch 03 A
The document discusses different input devices used with computers including keyboards, mice, and variants. It covers how keyboards and mice work, common actions used with mice like clicking and dragging, and different types of mice like trackballs and trackpads. The document also discusses ergonomics as it relates to input devices and repetitive strain injuries that can result from prolonged use of keyboards and mice without proper posture and technique.
Application Layer Functionality and Protocols
The document discusses the application layer in the OSI model and TCP/IP protocols. It describes how the application layer generates data and provides an interface between users and networks via applications. Common application layer protocols like HTTP, DNS, SMTP, and Telnet are examined along with their roles in file transfer, email services, network management, and supporting client-server and peer-to-peer communication models. The document also reviews presentation and session layers in OSI and various application layer protocols used in networking labs.
Transforming data into information
Number systems
A manner of counting
Several different number systems exist
Decimal number system
Used by humans to count
Contains ten distinct digits
Digits combine to make larger numbers
Intro Ch 03 B
The document discusses various input devices for computers beyond the traditional keyboard and mouse. These include pen-based devices like tablets and PDAs that use handwriting recognition and on-screen keyboards. Touch screens allow input through finger touches on the screen. Game controllers enhance the gaming experience. Optical scanners like barcode readers and image scanners convert printed information into digital formats. Audiovisual devices include microphones for speech recognition, MIDI interfaces for digital music, and digital cameras for electronic image capture.
Chapter 4 Peter Norton
This document discusses computer output devices and technologies. It describes how monitors have evolved from being uncommon in the 1960s to being integral to the modern computing experience. It outlines the key components of monitors like the cathode ray tube and liquid crystal display, and how video cards impact display quality. The document also covers sound systems and ergonomic considerations for reducing eye strain and electromagnetic field exposure when working with monitors.
Intro ch 05_a Peter Norton
This document discusses how computers represent and process data. It explains that computers use the binary number system to represent data as strings of 0s and 1s at the most basic level. It also describes how data is stored and processed by a computer's central processing unit (CPU) and memory. Key components that affect a computer's processing speed are also outlined, such as the CPU clock speed, memory size, and types of buses used to transfer data.
Intro Ch 02 A
The document provides a history of the development of the Internet from 1969 to the present. It describes how ARPANET evolved into the commercial Internet networks of today. It also summarizes the major services of the Internet like the World Wide Web, email, file transfer, chat, and peer-to-peer sharing. Additionally, it outlines how users access the Internet through providers and the types of connections available. It defines key concepts like browsers, URLs, and streaming media. Finally, it discusses searching the web through engines, directories, and site-specific searches.
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Intro Ch 06 A
The document describes different types of storage devices used in computers. It discusses magnetic storage devices like hard drives and floppy disks which use magnets to write binary data to iron oxide coated disks. Optical storage devices like CDs and DVDs are also covered, using lasers to write to disks. Finally, solid state devices are mentioned, which store data physically without moving parts, like flash memory in USB drives and cameras.
Peter Norton - Introduction to computers - Part 2
The document discusses how computers process data. It explains that data are raw facts while information is meaningful data. Computers represent data using binary numbers for simplicity and accuracy. The CPU, which contains a control unit and arithmetic logic unit, processes data. The control unit directs data flow while the ALU performs calculations. RAM and ROM are types of memory that differ in volatility and speed of access. Processor speed and number of transistors impact processing speed. Major CPU manufacturers include Intel, Motorola, and AMD.
Intro Ch 09 B
The document discusses different types of data communication connections. Modems are used to transmit digital data over standard phone lines at speeds up to 56 Kbps. Newer digital phone lines and broadband connections allow for faster transmission speeds. Digital subscriber line (DSL) and cable modem connections provide speeds between 100 Kbps to 30 Mbps for home users. Wireless networks use Wi-Fi to transmit data without cables at speeds up to 56 Mbps over distances of 50 to 150 meters from an access point.
Chapter 2B Peter Norton
This document discusses various input devices for computers beyond the traditional keyboard. It describes pen-based input devices like tablet PCs and PDAs that allow writing or pointing input. Touch screens are discussed as well as their common uses. Game controllers are covered as a way to enhance gaming experiences. Optical input devices like bar code scanners and image scanners are summarized. Audiovisual devices like microphones, MIDI, and digital cameras are also briefly outlined.
Intro Ch 04 A
The document discusses various types of computer monitors and video output devices. It describes cathode ray tube (CRT) monitors as the most common traditional monitor type and liquid crystal display (LCD) monitors as more modern. It also covers video cards, ergonomics considerations for monitors, data projectors, sound systems, and headphones/headsets.
Intro Ch 08 A
This document provides an overview of different types of productivity software, including word processing programs, spreadsheet programs, and presentation programs. It discusses how software can be acquired commercially, through freeware/shareware, or as open source. Key features of word processing, spreadsheet, and presentation programs are outlined, such as interfaces, entering and formatting text/data, and creating slides. Personal information managers are also introduced as software to track contacts and schedules.
Intro Ch 06 B
This document discusses ways to measure and improve drive performance, including average access time, data transfer rate, optimizing performance through disk optimization, cleaning unnecessary files, scanning for errors, defragmenting disks, file compression, and drive interface standards such as EIDE, SCSI, USB, and FireWire. The key steps recommended for optimizing performance are to run disk optimization, clean up unnecessary files, scan for errors, and defragment disks on a monthly basis.
Intro Ch 01 B
The document discusses the four main parts of a computer system: hardware, software, data, and users. It describes the essential hardware components, including processing devices like the CPU and secondary processors, memory devices like RAM and ROM, and input/output and storage devices. It also explains the two types of software - system software like the operating system, and application software that accomplishes specific tasks. Finally, it notes that data has no meaning on its own and is stored using binary numbers, while users interact with the computer depending on their abilities.
Peter Nortonโs๏ข Introduction to Computers
This document introduces computers and their basic components. It defines a computer as an electronic device that processes data. The four main parts of a computer system are hardware, software, data, and people. Hardware refers to the physical parts of the computer, software contains the computer's instructions, data is the raw facts manipulated by the computer, and people are the users. The document outlines the four types of computer hardware, two categories of software and their purposes, and four common types of computers and the jobs they perform best.
Intro ch 01_a
This document provides an overview of the history and basics of computer systems. It discusses how the modern definition of a computer emerged in the 1940s with the development of electronic computing devices. It describes some of the earliest electronic digital computers developed in the 1940s including the ABC, MARK-1, ENIAC, EDSAC, and UNIVAC-1. It explains the key components of a computer system according to von Neumann's influential report including input, processing, storage, and output of data. Finally, it briefly outlines how computers have impacted society through uses in homes, education, business, industry, government, and healthcare.
04 software system and application software
The document summarizes key concepts about software, including:
1) It describes the two main types of software: systems software and application software.
2) It outlines several popular operating systems like Windows, Mac OS X, and Linux and their roles.
3) It discusses how application software supports personal, workgroup, and enterprise goals.
Operating Systems
The document discusses different types of operating systems including desktop operating systems, server operating systems, and mobile operating systems. Desktop operating systems are recommended for personal use by different groups for reasons like ease of use, stability, and capabilities. Server operating systems are designed for multi-user environments and provide security, stability, and collaboration for applications like file sharing, web services, and email. Mobile operating systems control functions on devices like phones and tablets, with examples being Android and iOS.
The basics of information systems
Information systems
Collects, stores and organizes information
Retrieves value from data
Harness many types of data
Computerโs reason for existence
Chapter 2A Peter Norton
This document discusses computer input devices like keyboards and mice. It describes how keyboards work by sending unique codes to the CPU for each key pressed. Mice allow users to select objects on screen by moving a pointer and clicking buttons. Optical mice track movement using light reflection rather than mechanical parts. The document outlines ergonomic concerns for input devices and how to properly arrange a workstation to avoid repetitive strain injuries from prolonged use.
chapter 1 peter norton introduction to computers
This chapter introduces computers and their basic components. It defines a computer as an electronic device that processes data. A computer system has four main parts: hardware, software, data, and people. Hardware refers to the physical parts of the computer like the processor, memory, storage, and input/output devices. Software includes the programs or instructions that make the hardware work, divided into system software and application software. The chapter lists five professions where computers are commonly used and how they have changed people's work. It also outlines the four main types of computers and what tasks each performs best.
Intro Ch 03 A
The document discusses different input devices used with computers including keyboards, mice, and variants. It covers how keyboards and mice work, common actions used with mice like clicking and dragging, and different types of mice like trackballs and trackpads. The document also discusses ergonomics as it relates to input devices and repetitive strain injuries that can result from prolonged use of keyboards and mice without proper posture and technique.
Application Layer Functionality and Protocols
The document discusses the application layer in the OSI model and TCP/IP protocols. It describes how the application layer generates data and provides an interface between users and networks via applications. Common application layer protocols like HTTP, DNS, SMTP, and Telnet are examined along with their roles in file transfer, email services, network management, and supporting client-server and peer-to-peer communication models. The document also reviews presentation and session layers in OSI and various application layer protocols used in networking labs.
Transforming data into information
Number systems
A manner of counting
Several different number systems exist
Decimal number system
Used by humans to count
Contains ten distinct digits
Digits combine to make larger numbers
Intro Ch 03 B
The document discusses various input devices for computers beyond the traditional keyboard and mouse. These include pen-based devices like tablets and PDAs that use handwriting recognition and on-screen keyboards. Touch screens allow input through finger touches on the screen. Game controllers enhance the gaming experience. Optical scanners like barcode readers and image scanners convert printed information into digital formats. Audiovisual devices include microphones for speech recognition, MIDI interfaces for digital music, and digital cameras for electronic image capture.
Chapter 4 Peter Norton
This document discusses computer output devices and technologies. It describes how monitors have evolved from being uncommon in the 1960s to being integral to the modern computing experience. It outlines the key components of monitors like the cathode ray tube and liquid crystal display, and how video cards impact display quality. The document also covers sound systems and ergonomic considerations for reducing eye strain and electromagnetic field exposure when working with monitors.
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Intro ch 05_a Peter Norton
This document discusses how computers represent and process data. It explains that computers use the binary number system to represent data as strings of 0s and 1s at the most basic level. It also describes how data is stored and processed by a computer's central processing unit (CPU) and memory. Key components that affect a computer's processing speed are also outlined, such as the CPU clock speed, memory size, and types of buses used to transfer data.
Intro Ch 02 A
The document provides a history of the development of the Internet from 1969 to the present. It describes how ARPANET evolved into the commercial Internet networks of today. It also summarizes the major services of the Internet like the World Wide Web, email, file transfer, chat, and peer-to-peer sharing. Additionally, it outlines how users access the Internet through providers and the types of connections available. It defines key concepts like browsers, URLs, and streaming media. Finally, it discusses searching the web through engines, directories, and site-specific searches.
Introduction to computers by peter norton 6 e (c.b)
This document provides details on a new software project. It outlines the purpose of creating a new document management system to replace the current outdated one. It details that the new system will provide improved search capabilities, increased security and user permissions as well as better integration with other software used by the company. The project is expected to take around 6 months to complete at an estimated cost of $100,000.
Intro Ch 08 B
There are two main types of graphic file formats - bitmapped (raster) images which use a pixel grid and color depth, and vector images which are drawn using mathematical formulas. Common bitmapped formats include BMP, GIF, JPG, PNG, and TIFF, while common vector formats include DXF and IGES. Graphics can be acquired through scanners, digital cameras, and digital video cameras and then edited and manipulated using paint programs, draw programs, photo editing software, CAD software, and 3D modeling software to enhance images. Multimedia combines different mediums like voice, pictures, and text for more effective information sharing, with interactivity allowing users to control the content.
Introduction
This document provides an introduction to CS001, an introductory computer science course. It outlines the instructor's contact information, office hours, textbook, topics to be covered over the course, class rules, expectations for preparation, grading breakdown, and concludes by asking students to introduce themselves and if they have any questions.
Intro Ch 05 A
The document discusses how computers represent and process data. It explains that computers use the binary number system to represent data as strings of 0s and 1s at the bit level, and that bytes made of 8 bits are used to represent individual characters. It also describes how the CPU processes instructions in cycles, with components like the control unit, ALU, and registers. Memory is used to store open programs and data, and can be volatile RAM that requires power or nonvolatile flash memory. Processing speed depends on factors like the CPU clock speed, memory size and speed, number of registers, bus speeds, and cache memory.
Intro Ch 01 A
The document introduces different types of computer systems. It discusses desktop computers, notebooks, tablet computers, handheld devices, network servers, mainframes, minicomputers, and supercomputers. It also outlines the impact of computers in society and their uses in homes, education, small business, industry, government, and health care. Computers have become essential tools that provide information to users which is critical in modern society.
Intro Ch 04 B
The document discusses different types of commonly used printers, including impact printers like dot matrix printers and non-impact printers like inkjet and laser printers. It describes how each type of printer works, for example that inkjet printers spray ink onto paper while laser printers use toner and heat to print high quality documents. The document also covers special purpose printers used in print shops that can print on various surfaces and produce professional quality output.
Intro ch 14_b
This document discusses various ways to protect personal and technical information. It recommends shredding unneeded documents, being wary of sharing personal details, reviewing credit reports yearly, and using firewalls, antivirus software, and backups. Cookies and spyware are explained, and removing them through browser and program settings is advised. Proper handling and storage of media and equipment is covered to avoid damage from magnets, temperature swings, moisture, and dirt.
Intro ch 07_a
Operating systems provide a user interface, run programs, manage hardware devices, and organize file storage. There are several types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking. Operating systems provide a graphical user interface or command line interface for users. They run programs through system calls, manage hardware through interrupts and device drivers, and organize files and folders in a consistent way across storage devices. Operating systems can be enhanced with utilities like backup software, antivirus software, firewalls, and intrusion detection to provide additional services beyond the core functions.
Storing information in a computer
This document discusses computer storage devices and media. It describes four common types of storage devices: magnetic disk drives like hard drives and floppies, optical drives like CD-ROMs, and magnetic tape drives. It explains the differences between magnetic and optical storage media. Key concepts covered include storage media types, common storage devices, factors that affect drive performance like access time and transfer rate, disk formatting into tracks and sectors, and four main disk drive interface standards.
Intro ch 05_a
Magnetic storage devices like hard drives and floppy disks store data using magnetism on metal platters. Optical storage devices like CDs and DVDs use lasers to read data encoded in pits and lands on plastic discs. Solid state devices store data using physical switches rather than magnetism or lasers. Common storage devices include hard drives for primary storage, floppy disks and flash drives for removable storage, and tapes for backups. Data is organized on disks in tracks and sectors to allow efficient reading and writing.
Thesis Presentation
This document discusses disclosure of customer data by internet service providers (ISPs) related to alleged copyright infringements in Ireland and Germany. It covers the background of the movie and music markets, enforcement of copyrights, challenges identifying users through ISPs as intermediaries, levels of data protection, recent legal changes, and potential alternative solutions. The research on this topic is still in progress.
Internet and e commerce
The document defines and describes key concepts related to the internet and e-commerce. It explains that the internet is a global system of interconnected computer networks that uses TCP/IP protocols to connect billions of users worldwide. It also defines commerce as the exchange of goods and services for money and e-commerce as buying and selling products online. The main types of internet protocols that allow computers to communicate over networks are the Internet Protocol and Transmission Control Protocol.
Chapter 3 using_the_internet[1]
The document provides an overview of the history and development of the internet from the 1960s to the present. It describes early computer networking projects and the creation of the ARPANET network. It then discusses common internet communication technologies like email, instant messaging, chat rooms, and social networking. It also covers conducting business online and accessing the internet through web browsers, search engines, and broadband connections. The conclusion discusses future projects aiming to increase internet speeds and capabilities.
Intro ch 04_b
There are two main types of printers: impact printers that use force to print and non-impact printers that use other methods. Dot matrix printers are an example of an impact printer that uses a print head to strike an inked ribbon. Inkjet printers are a common non-impact printer that sprays ink onto paper. Laser printers are also non-impact and produce high quality documents using a laser to draw text on a page with toner. All-in-one peripherals that have scanning, copying, printing, and faxing capabilities are popular for home offices.
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Introduction to computers by peter norton 6 e (c.b)
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The document provides an overview of basic computer operating systems concepts. It discusses file management, file systems, directories, paths, file operations, and roles in file management. It also summarizes concepts related to security management, failure management, supervisors, and where to find more information on operating systems.
01 operating systems final
The operating system is essential software that enables computer hardware and programs to work together. It performs basic tasks like managing memory, prioritizing tasks, controlling input/output devices, and facilitating networking. The OS acts as an interface between application programs and hardware. It has four main layers: hardware, the OS software, system programs, and application programs. Operating systems provide interfaces, run programs, manage devices, organize storage, and support many applications and system functions through system calls.
Operating system
Presentation about Operating System.
including file management.process management,multitasking,different kind of operating system,some popular operating system
OS Basic.ppt
This document discusses operating systems and their functions. It describes the main types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking. It also outlines the key functions of operating systems such as providing a user interface, running programs, managing hardware devices, and organizing file storage. Finally, it discusses ways to enhance operating systems through utilities like backup software, anti-virus software, firewalls, and intrusion detection.
Intro_Chapter_06A.ppt
This document discusses operating systems and their functions. It describes the main types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking. It also outlines the key functions of operating systems, which are to provide a user interface, run programs, manage hardware devices, and organize file storage. Finally, it discusses ways to enhance operating systems through utilities like backup software, anti-virus software, firewalls, and intrusion detection.
L7 operating system
An operating system (OS) enables computer hardware and software to communicate by managing resources and activities. Common OSs for personal computers include Windows, Mac OS X, and Linux. Mobile OSs are designed for smaller devices like smartphones and tablets. Files can be shared across OSs by saving them in common formats. The OS grants users different rights and privileges to protect the system.
OS
The document describes the functions of operating systems including managing computer resources like the CPU, memory, and I/O devices. It explains different types of operating systems like command-line based systems, graphical user interface systems, and network operating systems. It also discusses key concepts in operating systems like memory management, resource allocation, and utility programs.
opreting system
An operating system is a software that enables all other programs and hardware to function properly. It provides a user interface, runs programs, manages devices and storage. The OS acts as an interface between users, programs, and hardware. It allows for efficient usage of computer resources through multitasking and parallel processing while also providing protection between users and programs. There are several types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking operating systems.
opreting system
An operating system is a software that enables all other programs and hardware to function properly. It provides a user interface, runs programs, manages devices and storage. The OS acts as an interface between users, programs, and hardware. It allows for parallel activity to avoid wasted cycles and provides protection for users. There are different types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking operating systems.
opreting system
An operating system is a software that enables all other programs and hardware to function properly. It provides a user interface, runs programs, manages devices and storage. The OS acts as an interface between users, programs, and hardware. It allows for efficient usage of computer resources through multitasking and parallel processing while also providing protection between users and programs. There are several types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking operating systems.
opreting system
An operating system is a software that enables all other programs and hardware to function properly. It provides a user interface, runs programs, manages devices, and organizes file storage. The OS acts as an interface between users, programs, and hardware. There are different types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking operating systems. A multi-user/multitasking OS allows many users to connect at once with each having their own session.
opreting system
An operating system is a software that enables all other programs and hardware to function properly. It provides a user interface, runs programs, manages devices, and organizes file storage. The OS acts as an interface between users, programs, and hardware. There are different types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking operating systems. A multi-user/multitasking OS allows many users to connect at once with each having their own session.
opreting system
An operating system is a software that enables all other programs and hardware to function properly. It provides a user interface, runs programs, manages devices and storage. The OS acts as an interface between users, programs, and hardware. It allows for parallel activity to avoid wasted cycles and provides protection for information. There are different types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking operating systems.
System software os system and utility ggood
Software is a program that consists of a set of instructions that tell the computer how to perform specific operations. There are two main categories of software: system software and application software. System software includes operating systems, utility programs, and firmware. Operating systems function to administer security, manage memory and performance, control networks, provide user interfaces, and more. Common operating systems include Windows, Mac OS X, Linux, and various embedded operating systems used in mobile devices. Utility programs are system software that perform maintenance tasks like file management, backup, antivirus scanning, and disk optimization.
Two Operating Systems
1. An operating system acts as an intermediary between hardware and software applications, managing computer resources like the CPU and peripheral devices while providing a user interface and executing services for other programs.
2. Common personal computer operating systems include Windows and Mac OS, with Windows being the most popular. Windows XP brought consumer and corporate versions together and improved the user interface, personalization, and security features.
3. Network operating systems handle network functions like sharing resources between computers on a network, providing data security and administrative control over the network.
CSC103 Operating Systems, System Software, Powershell
This document discusses system software and operating systems. It defines system software as programs that help run the computer by coordinating between applications and hardware. It notes the main components are the operating system and utility programs. The operating system manages processing, memory, storage, devices, and tasks. Common operating systems include Windows, Mac OSX, Linux, iOS, and Android. The operating system provides a graphical user interface, manages CPU instructions and devices, and prioritizes multitasking. It discusses the boot process and roles of the BIOS, POST, kernel, and system files.
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Operating System's Concept, Working, Types, Part, and Many More
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
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Intro Ch 07 A
- 1. McGraw-Hill Technology Education Copyright ยฉ 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
- 2. Chapter 7A Operating System Basics
- 8. Multi user/Multi tasking OS
- 19. Backup Software
- 24. Chapter 7A End of Chapter