Fundamentals
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The document discusses various input and output devices used in computer systems. It describes how input is converted from human language to binary for processing by the CPU and then output is converted back to human language. Some common input devices mentioned include keyboards, scanners, barcode readers, sensors, microphones. Output devices discussed include monitors, printers, projectors, fax machines. The document also covers various storage devices like floppy disks, hard disks, CDs, DVDs, tape drives, PC cards and smart cards that are used to store data secondary after it is processed by the CPU.
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Assignment of input and output devices
This document describes the main hardware components of a computer. It discusses input devices like scanners, webcams, keyboards, and mice. It then covers output devices such as LED and LCD displays, printers, and speakers. The document also examines storage devices like primary storage in RAM and secondary external storage. Finally, it discusses the processing device at the heart of all computers - the central processing unit or CPU.
DEFINE COMPUTER SYSTEM
A computer system takes inputs, processes them using hardware and software, and produces outputs. It has input devices that provide data, a central processing unit (CPU) that processes the data, and output devices that display or store the processed data. Storage devices like hard drives are used to store programs and data for future use, as primary storage in RAM is only temporary. The system takes inputs, processes them using programs stored in storage, and creates outputs.
Output devices..
Output devices convey processed data to users. Display devices like LCD and plasma monitors visually output text, graphics, and video. Printers produce hard copies on paper through inkjet, laser, or other methods. Audio output devices like speakers and headphones allow users to hear processed sound files. A variety of other specialized output hardware exists as well, such as data projectors, interactive whiteboards, and fax machines.
Computer devices
The document discusses various computer input, output, and storage devices. It describes keyboards, mice, joysticks, scanners, and other common input devices. Output devices mentioned include monitors, printers, plotters, and more. Storage devices covered are primary storage like RAM and ROM, as well as secondary storage such as hard disks, CDs, DVDs, USB drives, floppy disks, and other removable media.
Project work of computer sc
This document discusses various types of output devices used in computer systems. It describes text, graphics, audio, video, and tactile output. It provides details on audio output devices like computer speakers and headphones. It also explains common visual output devices such as computer monitors and projectors. The document concludes with descriptions of printers and their uses in printing electronic documents.
Input output and memory devices
The document discusses various input, output, and memory devices used in computers. It describes keyboards, mice, touch screens, microphones, and other input devices. Output devices mentioned include monitors, printers, plotters and speakers. The main types of computer memory are described as random access memory (RAM), read only memory (ROM), cache memory, and various secondary storage devices such as hard disks, floppy disks, CDs, DVDs, magnetic tapes, flash drives, and cloud storage.
Module5 input output storage devices
This document is an ICT literacy module for secondary school students in Malaysia that covers computer hardware topics. It contains three activities that teach students about input devices, output devices, and storage devices. The activities define each type of device, provide examples, and explain their functions. Students will learn to identify input devices like keyboards and mice, output devices like monitors and printers, and storage devices like hard drives, flash drives, and CDs. They will also learn the differences between primary and secondary storage. The overall goal is for students to understand basic computer components and how they are used.
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Assignment of input and output devices
This document describes the main hardware components of a computer. It discusses input devices like scanners, webcams, keyboards, and mice. It then covers output devices such as LED and LCD displays, printers, and speakers. The document also examines storage devices like primary storage in RAM and secondary external storage. Finally, it discusses the processing device at the heart of all computers - the central processing unit or CPU.
DEFINE COMPUTER SYSTEM
A computer system takes inputs, processes them using hardware and software, and produces outputs. It has input devices that provide data, a central processing unit (CPU) that processes the data, and output devices that display or store the processed data. Storage devices like hard drives are used to store programs and data for future use, as primary storage in RAM is only temporary. The system takes inputs, processes them using programs stored in storage, and creates outputs.
Output devices..
Output devices convey processed data to users. Display devices like LCD and plasma monitors visually output text, graphics, and video. Printers produce hard copies on paper through inkjet, laser, or other methods. Audio output devices like speakers and headphones allow users to hear processed sound files. A variety of other specialized output hardware exists as well, such as data projectors, interactive whiteboards, and fax machines.
Computer devices
The document discusses various computer input, output, and storage devices. It describes keyboards, mice, joysticks, scanners, and other common input devices. Output devices mentioned include monitors, printers, plotters, and more. Storage devices covered are primary storage like RAM and ROM, as well as secondary storage such as hard disks, CDs, DVDs, USB drives, floppy disks, and other removable media.
Project work of computer sc
This document discusses various types of output devices used in computer systems. It describes text, graphics, audio, video, and tactile output. It provides details on audio output devices like computer speakers and headphones. It also explains common visual output devices such as computer monitors and projectors. The document concludes with descriptions of printers and their uses in printing electronic documents.
Input output and memory devices
The document discusses various input, output, and memory devices used in computers. It describes keyboards, mice, touch screens, microphones, and other input devices. Output devices mentioned include monitors, printers, plotters and speakers. The main types of computer memory are described as random access memory (RAM), read only memory (ROM), cache memory, and various secondary storage devices such as hard disks, floppy disks, CDs, DVDs, magnetic tapes, flash drives, and cloud storage.
Module5 input output storage devices
This document is an ICT literacy module for secondary school students in Malaysia that covers computer hardware topics. It contains three activities that teach students about input devices, output devices, and storage devices. The activities define each type of device, provide examples, and explain their functions. Students will learn to identify input devices like keyboards and mice, output devices like monitors and printers, and storage devices like hard drives, flash drives, and CDs. They will also learn the differences between primary and secondary storage. The overall goal is for students to understand basic computer components and how they are used.
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Computer Hardware Introduction
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Fundamental of computer
This document provides an overview of fundamentals of computers including definitions, history, generations, components, and classifications. It defines a computer as an electronic device that processes data and produces information. The document outlines the five generations of computers based on the switching circuits used. It also describes the basic components of a computer system including input, output, memory, and processing units. Classifications of computers are discussed including microcomputers, minicomputers, mainframe computers, and supercomputers.
Computer hardware
The document defines and describes several key computer hardware components:
The CPU controls and executes operations in a computer. A monitor displays visual output and includes a screen, circuitry, and case. A keyboard allows a user to enter text and other symbols by typing. Speakers convert electronic signals to audible sound waves to produce audio output for the listener. The motherboard is the main circuit board that allocates power and communication between the CPU, RAM, and other components. A graphics card renders and outputs images to the monitor by converting data to a signal the monitor understands. A sound card produces audible sound through speakers or headphones, either built into the motherboard or as an expansion card.
Input output devices
Input and output devices allow users to interact with computers. Common input devices include keyboards and mice which allow users to enter text and select items. Output devices such as monitors display information and printers produce hard copies. Storage devices like hard drives, CDs, DVDs, and USB drives are used to save data on the computer.
OUTPUT DEVICES
Computer output devices provide information to users in different formats like visual, audio, and digital. Common output devices include monitors, speakers, printers, projectors, plotters, and disks. Monitors display visual information by using pixels created through technologies like LCD or plasma. Speakers output audio data processed by the computer's audio card. Printers provide a hard copy output on paper in formats like inkjet or laser.
14. Computer Systems Output Devices
Output devices convey processed data and information to users. Display devices like monitors visually output text, graphics, and video using technologies like CRT, LCD, plasma, and projectors. Printers in turn output hard copies on paper using impact, inkjet, laser, and other technologies. Other output devices include audio speakers, fax machines, and multifunction devices that combine printing, scanning, copying, and faxing functions. Output devices are adapted for physically challenged users through accessibility features and specialized devices like Braille printers.
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This document provides information about input/output devices, the central processing unit (CPU), and CPU components. It discusses common input devices like the keyboard, mouse, digital camera and microphone. It also covers output devices such as monitors, printers, and speakers. The document explains that the CPU is the brain of the computer and performs all data processing according to instructions. The CPU has components like the arithmetic logic unit, arithmetic unit, logic unit, and control unit that help it perform operations.
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The document discusses various input and output devices used in computing. It describes manual input devices like keyboards, mice, touchscreens, as well as automatic input devices like barcode scanners, sensors, and magnetic card readers. The document also outlines different types of output devices for displaying and printing information, including monitors, projectors, printers, motors, lights, and speakers.
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- It includes a block diagram showing the main units of a computer: input, output, CPU (including memory and ALU), and control unit.
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This document discusses various output devices of computers. It describes monitors, including CRT and flat panel displays. It also covers printers such as inkjet, laser, and 3D printers. Other output devices mentioned include speakers, headphones, projectors, plotters, GPS navigation systems, and televisions. For each device type, examples are provided and brief explanations of how they work.
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Input devices
Input devices
WHAT IS INPUT?
WHAT ARE INPUT DEVICES?
WHAT IS HARDWARE?
WHAT IS SOFTWARE?
input Devices
1) KEYBOARD
2) POINTING DEVICES
3) MOUSE
TYPES OF MOUSE
1. Mechanical mouse
2. Optical mouse
3. Wireless mouse
JOY STICK
TRACKBALL
TOUCHPAD
TOUCHSCREEN
DIGITAL PEN
LIGHT PEN
WHEEL
BIOMETRIC INPUT DEVICES
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THUMB IMPRESSION
SIGNATURE VERIFICATION
RETINA SCANNER
FACE RECOGNITION
MIC/ HEAD PHONE
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This document is an introduction to computers that defines computers and their basic operations of input, processing, output, and storage. It describes different types of personal computers like desktops, laptops, tablets, and mobile devices. It explains the main internal and external components of computers and how they are used. It also discusses computer software, networks, the internet, online security threats, and provides guidance on purchasing different types of computers and mobile devices.
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The document discusses various input devices used in computer systems. It describes keyboards, mice, joysticks, touchscreens, scanners, digital cameras and other common input devices. It provides details on how each device works and examples of their uses. Specialized keyboards for ergonomics or disabled users are also mentioned. The document aims to provide a comprehensive overview of the different types of hardware used to input data and instructions into a computer system.
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The document provides an overview of computer hardware basics including input, output, and storage devices. It describes common input devices like keyboards and pointing devices. It discusses output to screens, printers, and other devices. It also covers various storage media including magnetic disks, tapes, and optical disks. The document emphasizes that computer systems integrate various input, output, and storage peripherals and that networks allow sharing of resources between multiple computers.
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This document provides an introduction to information technology concepts. It defines IT as using technologies like computing, electronics, and telecommunications to process and distribute digital information. It also discusses computer literacy and the basic components of a computer system, including hardware like the CPU, memory, input/output devices, and storage. The document also covers software types like operating systems and applications. It provides examples of common system software tasks and operating systems for different device types.
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Computer Hardware Introduction
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Fundamental of computer
This document provides an overview of fundamentals of computers including definitions, history, generations, components, and classifications. It defines a computer as an electronic device that processes data and produces information. The document outlines the five generations of computers based on the switching circuits used. It also describes the basic components of a computer system including input, output, memory, and processing units. Classifications of computers are discussed including microcomputers, minicomputers, mainframe computers, and supercomputers.
Computer hardware
The document defines and describes several key computer hardware components:
The CPU controls and executes operations in a computer. A monitor displays visual output and includes a screen, circuitry, and case. A keyboard allows a user to enter text and other symbols by typing. Speakers convert electronic signals to audible sound waves to produce audio output for the listener. The motherboard is the main circuit board that allocates power and communication between the CPU, RAM, and other components. A graphics card renders and outputs images to the monitor by converting data to a signal the monitor understands. A sound card produces audible sound through speakers or headphones, either built into the motherboard or as an expansion card.
Input output devices
Input and output devices allow users to interact with computers. Common input devices include keyboards and mice which allow users to enter text and select items. Output devices such as monitors display information and printers produce hard copies. Storage devices like hard drives, CDs, DVDs, and USB drives are used to save data on the computer.
OUTPUT DEVICES
Computer output devices provide information to users in different formats like visual, audio, and digital. Common output devices include monitors, speakers, printers, projectors, plotters, and disks. Monitors display visual information by using pixels created through technologies like LCD or plasma. Speakers output audio data processed by the computer's audio card. Printers provide a hard copy output on paper in formats like inkjet or laser.
14. Computer Systems Output Devices
Output devices convey processed data and information to users. Display devices like monitors visually output text, graphics, and video using technologies like CRT, LCD, plasma, and projectors. Printers in turn output hard copies on paper using impact, inkjet, laser, and other technologies. Other output devices include audio speakers, fax machines, and multifunction devices that combine printing, scanning, copying, and faxing functions. Output devices are adapted for physically challenged users through accessibility features and specialized devices like Braille printers.
Computer basic introduction
I am trying to create a basic introduction for beginners only about the computer. There is two type of education, one is high level and second is low level and this ppt is about the low level education of computer.
Generation of computers
The document summarizes the five generations of computers based on the technologies used to build processors, memory, and input/output units. The first generation used vacuum tubes, the second used transistors, the third used integrated circuits, the fourth used microprocessors, and the fifth used artificial intelligence and extensive parallel processing. Each generation was smaller, less expensive, and more powerful than the previous. Memory and storage capacity increased significantly with each generation.
I/O devices & CPU
This document provides information about input/output devices, the central processing unit (CPU), and CPU components. It discusses common input devices like the keyboard, mouse, digital camera and microphone. It also covers output devices such as monitors, printers, and speakers. The document explains that the CPU is the brain of the computer and performs all data processing according to instructions. The CPU has components like the arithmetic logic unit, arithmetic unit, logic unit, and control unit that help it perform operations.
Input and output
The document discusses various input and output devices used in computing. It describes manual input devices like keyboards, mice, touchscreens, as well as automatic input devices like barcode scanners, sensors, and magnetic card readers. The document also outlines different types of output devices for displaying and printing information, including monitors, projectors, printers, motors, lights, and speakers.
Output devices-of-computer-system
The Output Devices of computer system are electromagnetic devices or gadgets that accepts or acknowledge data or informations from computer system and translate and converts the data in human readable or intelligent form. Generally output can be obtained and acquire mainly in two distinct and different ways Softcopy and Hardcopy.At the point when handled data or information is stored in computer memory is given to an output unit then this processed or prepared data or information is displayed to user in such a way that they can easily read
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types of os
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Lecture 1 :introduction to computer
This document provides information about a computer lecture including the following key details:
- The lecture is titled "Introduction to Computer" and is 2 hours long.
- It discusses the concept of computers, defining a computer as an electronic device that processes data and converts it into useful information.
- It includes a block diagram showing the main units of a computer: input, output, CPU (including memory and ALU), and control unit.
Output devices of computer
This document discusses various output devices of computers. It describes monitors, including CRT and flat panel displays. It also covers printers such as inkjet, laser, and 3D printers. Other output devices mentioned include speakers, headphones, projectors, plotters, GPS navigation systems, and televisions. For each device type, examples are provided and brief explanations of how they work.
Basic fundamental of computer
The presentation introduces basic computer hardware components including input devices like mouse and keyboard, output devices like monitor and printer, memory, and the central processing unit (CPU). It discusses that the CPU contains the arithmetic logic unit (ALU) where instructions are executed. It also distinguishes between primary storage and secondary storage, noting that primary storage is faster but has smaller capacity while secondary storage is slower but can store large amounts of data even without power.
Input devices
Input devices
WHAT IS INPUT?
WHAT ARE INPUT DEVICES?
WHAT IS HARDWARE?
WHAT IS SOFTWARE?
input Devices
1) KEYBOARD
2) POINTING DEVICES
3) MOUSE
TYPES OF MOUSE
1. Mechanical mouse
2. Optical mouse
3. Wireless mouse
JOY STICK
TRACKBALL
TOUCHPAD
TOUCHSCREEN
DIGITAL PEN
LIGHT PEN
WHEEL
BIOMETRIC INPUT DEVICES
VOICE RECOGNITION
THUMB IMPRESSION
SIGNATURE VERIFICATION
RETINA SCANNER
FACE RECOGNITION
MIC/ HEAD PHONE
DIGITAL CAMERA
DIGITAL SCANNER
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This document is an introduction to computers that defines computers and their basic operations of input, processing, output, and storage. It describes different types of personal computers like desktops, laptops, tablets, and mobile devices. It explains the main internal and external components of computers and how they are used. It also discusses computer software, networks, the internet, online security threats, and provides guidance on purchasing different types of computers and mobile devices.
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The document discusses various input devices used in computer systems. It describes keyboards, mice, joysticks, touchscreens, scanners, digital cameras and other common input devices. It provides details on how each device works and examples of their uses. Specialized keyboards for ergonomics or disabled users are also mentioned. The document aims to provide a comprehensive overview of the different types of hardware used to input data and instructions into a computer system.
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The document introduces various input and output devices used in computing. It describes common input devices like keyboards, mice, scanners and touch screens that allow data to enter the computer. It also outlines output devices such as printers, monitors, and plotters that allow the computer to display and print information in human-readable form. The document provides details on the purpose and functioning of different types of both input and output devices.
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Presented at the Stoke Newington Literary Festival on 9th June 2024
www.StokeNewingtonHistory.com
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
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Fundamentals
- 1. IT Fundamentals 1. INPUT Much conversion of language occurs in a computer system (English) DATA INPUT DEVICE (binary) CPU (binary) OUTPUT DEVICE INFO (English) Input/ Output
- 2. IT Fundamentals Two types of input : Data and Instructions
- 4. IT Fundamentals Examples of Direct Entry Input Devices - flat bed or hand-held - Similar to a photocopier - Reads page as a grid of dots - stores data as a "picture" MICR : Used with cheques Scanners
- 5. IT Fundamentals Examples of Direct Entry Input Devices Barcode Readers: Sit-in-the-Counter type - Reads standard or customised barcodes - Can also purchase software to print barcodes.
- 6. IT Fundamentals Input Types a. Data Collection Devices: Stocktake devices Automatic counters Web Cams Video camera whose output displays on a web page Digital Camera
- 10. IT Fundamentals Output Four common type of output are text, graphics, audio and video.
- 17. IT Fundamentals SECONDARY STORAGE Control Unit works on programs/data in RAM POWER OFF ... RAM OFF Bye Bye Assignment However blocks of memory can be saved/read on secondary storage.
- 18. IT Fundamentals Secondary Storage Media and Devices Floppy Disks Hard Disks Tape and Tape drive Cartridge tape CD-ROM DVD ROM Magnetic-Optical drive PC Cards Smart Cards SECONDARY STORAGE
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