Functional component of computer
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A computer system has four main components: input, processing, output, and storage. It accepts data through input, processes the data, produces a result through output, and stores results for future use. The presentation provides an overview of the key parts of a computer.
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Input and Output Devices.
Input and output devices allow users to interact with computers. Common input devices include keyboards, mice, digital cameras, microphones, touch screens, optical mark readers, scanners, and smart cards. Keyboards are used to enter text, mice are pointing devices, and digital cameras capture photos or videos. Microphones record sound, touch screens accept input via finger touch, and scanners convert printed documents into digital files. Output devices such as computer monitors, speakers, printers, and plotters allow users to see and hear computer output or create hard copies. Monitors display visual output, speakers produce audio, printers create paper copies, and plotters generate large-scale drawings.
CPU (Central Processing Units)
The document discusses the central processing unit (CPU). It describes the CPU as the multipurpose, programmable component of a computer that interprets instructions and performs logical and arithmetic operations. The CPU is composed of an arithmetic logic unit (ALU) that performs calculations, a control unit (CU) that directs signals between memory and the ALU, and register arrays that temporarily store processed data. Factors like clock rate, memory size, and instruction set complexity can impact a CPU's processing speed. The CPU executes a cycle of fetching instructions from memory, decoding them, executing operations, and storing results.
Memory and its types
Khadija Akram gave a presentation on memory and its types. Memory is defined as the internal storage of a computer and is used to store information, data, and programs. There are two main types of memory: primary memory (RAM), which is volatile and temporary; and secondary memory (ROM), which is non-volatile and stores data permanently. RAM performs both read and write operations while ROM only allows read operations. Examples of different memory types include DRAM, SRAM, ROM, PROM, EROM, and EEPROM.
Characteristics of computer.pptx
A computer is an electronic device that receives user input and outputs information. It has both hardware and software components. The hardware refers to the physical and visible parts of the computer, while software includes programs and instructions used to operate the computer. A computer has many advantages such as speed, accuracy, reliability, memory, logical reasoning, versatility, and powerful data storage capabilities. It can perform calculations quickly and precisely, work continuously for long periods, and store unlimited amounts of data that can be retrieved over many years.
Personal computer
A personal computer is a computer that can perform all inputs, outputs, processing, and storage independently. The document discusses the history and types of personal computers, including desktop PCs, laptops, notebooks, netbooks, tablet PCs, workstations, mainframes, servers, and mobile phones. It provides examples of early personal computers like the Apple II and describes characteristics of different types like their size, weight, and typical uses.
Introduction to computers
This document provides an introduction to computers, including:
- Definitions of a computer as a machine that can perform calculations and logical operations at high speeds.
- The advantages of computers like speed, accuracy, large storage capacity, versatility, and ability to work continuously without tiring.
- A brief history of early mechanical calculating devices and how programmable computers evolved through the use of vacuum tubes, transistors, integrated circuits and networking.
- The five generations of computers defined by their underlying technology from vacuum tubes to parallel processing and artificial intelligence.
- Different types of computers like analog, digital, general purpose, special purpose, hybrid, and classifications based on features.
- That hardware refers
what is computer
A computer is an electronic device that can accept data as input, process that data, and produce information as output based on stored instructions. It comprises input devices like keyboards and mice, a central processing unit, memory to store data and instructions, output devices like monitors and printers, and storage devices like hard disks and CDs. Computer software, including operating systems and applications, provides instructions that allow computers to perform useful tasks like word processing, spreadsheet calculations, database management, and presentations.
CLASSIFICATION OF COMPUTER
There are three main ways to classify computers: by purpose, data processed, and size/speed. By purpose, there are general purpose computers designed for a variety of tasks and special purpose computers designed for a single task. By data processed, there are analog computers that measure data, digital computers that use binary, and hybrid computers that can do both. By size/speed, there are supercomputers that are the largest and fastest, mainframes for large organizations, mini computers for medium-sized uses, and microcomputers for personal use.
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Input and Output Devices.
Input and output devices allow users to interact with computers. Common input devices include keyboards, mice, digital cameras, microphones, touch screens, optical mark readers, scanners, and smart cards. Keyboards are used to enter text, mice are pointing devices, and digital cameras capture photos or videos. Microphones record sound, touch screens accept input via finger touch, and scanners convert printed documents into digital files. Output devices such as computer monitors, speakers, printers, and plotters allow users to see and hear computer output or create hard copies. Monitors display visual output, speakers produce audio, printers create paper copies, and plotters generate large-scale drawings.
CPU (Central Processing Units)
The document discusses the central processing unit (CPU). It describes the CPU as the multipurpose, programmable component of a computer that interprets instructions and performs logical and arithmetic operations. The CPU is composed of an arithmetic logic unit (ALU) that performs calculations, a control unit (CU) that directs signals between memory and the ALU, and register arrays that temporarily store processed data. Factors like clock rate, memory size, and instruction set complexity can impact a CPU's processing speed. The CPU executes a cycle of fetching instructions from memory, decoding them, executing operations, and storing results.
Memory and its types
Khadija Akram gave a presentation on memory and its types. Memory is defined as the internal storage of a computer and is used to store information, data, and programs. There are two main types of memory: primary memory (RAM), which is volatile and temporary; and secondary memory (ROM), which is non-volatile and stores data permanently. RAM performs both read and write operations while ROM only allows read operations. Examples of different memory types include DRAM, SRAM, ROM, PROM, EROM, and EEPROM.
Characteristics of computer.pptx
A computer is an electronic device that receives user input and outputs information. It has both hardware and software components. The hardware refers to the physical and visible parts of the computer, while software includes programs and instructions used to operate the computer. A computer has many advantages such as speed, accuracy, reliability, memory, logical reasoning, versatility, and powerful data storage capabilities. It can perform calculations quickly and precisely, work continuously for long periods, and store unlimited amounts of data that can be retrieved over many years.
Personal computer
A personal computer is a computer that can perform all inputs, outputs, processing, and storage independently. The document discusses the history and types of personal computers, including desktop PCs, laptops, notebooks, netbooks, tablet PCs, workstations, mainframes, servers, and mobile phones. It provides examples of early personal computers like the Apple II and describes characteristics of different types like their size, weight, and typical uses.
Introduction to computers
This document provides an introduction to computers, including:
- Definitions of a computer as a machine that can perform calculations and logical operations at high speeds.
- The advantages of computers like speed, accuracy, large storage capacity, versatility, and ability to work continuously without tiring.
- A brief history of early mechanical calculating devices and how programmable computers evolved through the use of vacuum tubes, transistors, integrated circuits and networking.
- The five generations of computers defined by their underlying technology from vacuum tubes to parallel processing and artificial intelligence.
- Different types of computers like analog, digital, general purpose, special purpose, hybrid, and classifications based on features.
- That hardware refers
what is computer
A computer is an electronic device that can accept data as input, process that data, and produce information as output based on stored instructions. It comprises input devices like keyboards and mice, a central processing unit, memory to store data and instructions, output devices like monitors and printers, and storage devices like hard disks and CDs. Computer software, including operating systems and applications, provides instructions that allow computers to perform useful tasks like word processing, spreadsheet calculations, database management, and presentations.
CLASSIFICATION OF COMPUTER
There are three main ways to classify computers: by purpose, data processed, and size/speed. By purpose, there are general purpose computers designed for a variety of tasks and special purpose computers designed for a single task. By data processed, there are analog computers that measure data, digital computers that use binary, and hybrid computers that can do both. By size/speed, there are supercomputers that are the largest and fastest, mainframes for large organizations, mini computers for medium-sized uses, and microcomputers for personal use.
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Secondary memory
Secondary memory is where programs and data are kept on a long-term basis. Common secondary storage devices are the hard disk and optical disks. The hard disk has enormous storage capacity compared to main memory. The hard disk is usually contained inside the case of a computer.
Operating system and its types
all types of computer operating system and its types with explanation and examples
BY:- Vimal Kumar Arora
Operating systems
This document provides an overview of operating systems. It begins with an introduction defining an operating system and its role. It then discusses the history of operating systems and the four main components of operating system software: memory management, processor management, device management, and file management. Finally, it outlines eight common types of operating systems including batch, multiprogramming, desktop, real-time, and distributed operating systems.
Primary and secondary Storage devices
This presentation discusses various storage devices used in computing. It describes primary storage devices like RAM and ROM that provide temporary data storage and access. Secondary storage devices like hard disk drives, solid state drives, optical discs (CDs, DVDs, Blu-Rays), magnetic tapes, and USB flash drives provide permanent and portable data storage. The presentation covers the basic working, types, advantages and disadvantages of these common storage devices.
Basic components of computer system
The basic components of a computer system are the input unit, output unit, memory, and processor. The input unit includes devices like keyboards and mice that allow data to be entered. The output unit displays or prints the results and includes monitors and printers. Memory temporarily stores data and programs during use and permanently stores them when not in use, including RAM, ROM, hard disks, and floppy disks. The processor, made up of the ALU and control unit, is the brain that performs computations and controls the system.
Introduction to computer
This document provides an introduction to computers, including how they work and their key characteristics. It defines a computer as an electronic device that accepts input, processes data, stores data, and produces output. It then describes the main components of a computer and how data is processed. The document outlines the main characteristics of computers as being fast, accurate, having large memory and storage, being diligent and versatile. It also categorizes the different types of computers as analog, digital, and hybrid and provides examples of each type. Finally, it classifies computers as microcomputers, minicomputers, mainframes, and supercomputers and describes the defining features of each.
Fundamental of Computers
This document provides an overview of computer hardware and software components. It discusses how a computer system includes hardware, software, data, and users. The hardware components include the central processing unit (CPU), memory, input/output devices, and storage devices. The CPU consists of a control unit and arithmetic logic unit. Memory holds data and instructions for processing. Software includes system software like the operating system and application software. Data is represented digitally using binary numbers. The document also provides details on how computers process data using the CPU and memory.
APPLICATIONS OF COMPUTER
Computers are now used in almost every field of life from military applications to entertainment. Some major areas of computer usage include the military, banks, research, education, media and communication, criminal identification, edutainment, business, animation, book publishing, commercial purposes, engineering, sports, medical, government, libraries and museums. Computers facilitate complex computations, online banking, mobile banking, online education, e-commerce, special effects in movies, digital reading and publishing, hotel bookings, engineering design, sports training, medical diagnostics, and government administration.
Characteristics of Computer
A computer has several key characteristics:
It is automatic, meaning it will perform tasks without human intervention once started. It is extremely fast, able to perform calculations in milliseconds. Computers are also very accurate in their calculations. Unlike humans, computers can work continuously without getting tired or losing concentration. Computers are also versatile, as their capabilities can be changed by loading new programs. They have enormous memory and storage capabilities to store and recall vast amounts of information. However, computers have no intelligence or feelings of their own - they must be programmed with logical step-by-step instructions to perform tasks.
01. Basics of Computer Hardware
The document discusses the key components of a computer system, including hardware, software, and liveware. It describes the central processing unit (CPU) as the brain of the computer and explains that CPU speed is measured in instructions processed per second. It also discusses main memory (RAM), storage devices like hard drives, and input/output devices. Multi-core processors are mentioned as a way to increase processing performance. RAM is described as volatile memory that holds instructions and data, with its capacity and frequency affecting software usage and multitasking ability. Common input devices include keyboards, mice, and touchscreens, while monitors are typically the main output device.
CPU and its components
This document provides an overview of computer components and their functions. It discusses the central processing unit (CPU) which contains the arithmetic logic unit, control unit, and memory unit. The CPU is located on a microprocessor chip in the system unit. Storage devices like hard disks, CD drives, and DVD drives are attached to the CPU and housed inside or outside the computer. A USB port connected to the CPU allows input/output devices and USB drives to interface with the computer.
Basic computer organization
The document summarizes the basic organization of a computer system. It describes that while computers have changed over time, the core logical structure has remained the same. The five main units that take input data and convert it to useful information are: 1) input unit, 2) storage unit, 3) processing unit, 4) control unit, and 5) output unit. The storage unit has two types - primary storage (memory) and secondary storage (disks/tapes), which store data temporarily and permanently respectively. The processing unit performs calculations and operations on data stored in primary storage. The control unit manages and coordinates the entire computer system.
Cpu ppt cse
The CPU is the central processing unit of a computer that carries out instructions to perform basic arithmetic, logical, and input/output operations. It acts as the brain of the computer. Early CPUs were custom-designed for specific applications but are now mass-produced. The CPU consists of a control unit, arithmetic logic unit, registers, and communicates with memory and peripheral devices. It reads instructions from memory and directs the flow of data between different components.
Introduction and brief history of computers
This document provides an introduction and history of computers. It defines what a computer is and who a user is. It discusses data and information and how information technology uses computers. It then outlines the history of computers from mechanical computers in the 1600s to modern electronic computers. It describes the four generations of electronic computers from vacuum tubes to microprocessors. It concludes by defining types of computers like analog and digital and classifying computers such as supercomputers, mainframes, workstations, servers, desktops, laptops and palmtops.
Secondary storage devices
This section of the memory is also referred to as backup storage.
The storage capacity of primary storage is not sufficient to store the large volume so secondary storage.
Secondary storage also know as external memory or auxiliary storage not directly accessible by the CPU.
Basic of Computer Introduction - World of Computers
Basic of Computer Introduction - World of Computers Amity University | FMS - DU | IMT | Stratford University | KKMI International Institute | AIMA | DTU
This Slides covers:
Introduction to world of Computers, Basic Structure of Computer System, Computers in Home (Reference, Education & Communications, Entertainment an Digital Media Delivery, Smart Appliances, Home Computers), Computers in Education, Computers in workplace (productivity and decision making, customer services, communications), Computers on the move (Portable and Hand held computers, Self-Service kiosks, GPS Applications), Generation of Computer, Types of Computer (Size and Technology wise), Support Systems - Hardware and Software, Computer Peripherals, Memory Management.
CLASSIFICATION OF COMPUTERS
The document discusses different types of computers:
- Analog computers represent data with continuous physical quantities like voltage. Accuracy depends on precision of measurements.
- Digital computers use discrete values like binary digits to represent data symbols. They are used for business/science data processing and storing large quantities of data magnetically.
- Hybrid computers combine analog and digital, using analog input converted to digital for processing and accuracy.
- Other computer types discussed are mainframes for CPU/I/O intensive jobs, mini computers for real-time multi-user apps, microcomputers for simple tasks, and supercomputers for large data and intensive computing.
Storage devices
Storage devices come in various types to suit different needs. Internal memory like ROM, RAM, and hard disks are built into computers, while external devices like floppy disks, zip disks, magnetic tapes, CDs/DVDs, and flash drives can transfer and store data. Larger capacity devices like hard disks, DVDs, and flash drives let users store more data than older options like floppy disks, but may be more expensive or fragile. The appropriate storage device depends on needs like data size, portability, and hardware compatibility.
Cmp104 lec 3 component of computer
The document outlines the main components of a computer system. It discusses the motherboard, which connects all the parts together including the CPU, memory, storage devices and ports. Storage devices mentioned include hard disk drives, floppy disks, and other external storage. Input devices include the keyboard, mouse, scanner, and microphone. Output devices include monitors to display visual output, speakers for audio, and printers. Other peripherals that enhance functionality are modems, digital cameras, sound cards and video cards.
Components of a computer system
A computer system consists of hardware and software components that work together to take inputs, process them, and produce outputs. The hardware components include input devices to enter data, storage devices to store data and software long-term, and output devices to present the processed data to users. Examples of input devices are keyboards, mice, and microphones. Storage devices include hard drives, DVDs, CDs, and flash drives, which represent data using magnetic domains, lasers, or electric charge. Output devices such as monitors, printers, and speakers are used to display or present the output of the computer's processing to users.
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Introduction to computer
This document provides an introduction to computers, including how they work and their key characteristics. It defines a computer as an electronic device that accepts input, processes data, stores data, and produces output. It then describes the main components of a computer and how data is processed. The document outlines the main characteristics of computers as being fast, accurate, having large memory and storage, being diligent and versatile. It also categorizes the different types of computers as analog, digital, and hybrid and provides examples of each type. Finally, it classifies computers as microcomputers, minicomputers, mainframes, and supercomputers and describes the defining features of each.
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This document provides an overview of computer hardware and software components. It discusses how a computer system includes hardware, software, data, and users. The hardware components include the central processing unit (CPU), memory, input/output devices, and storage devices. The CPU consists of a control unit and arithmetic logic unit. Memory holds data and instructions for processing. Software includes system software like the operating system and application software. Data is represented digitally using binary numbers. The document also provides details on how computers process data using the CPU and memory.
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Computers are now used in almost every field of life from military applications to entertainment. Some major areas of computer usage include the military, banks, research, education, media and communication, criminal identification, edutainment, business, animation, book publishing, commercial purposes, engineering, sports, medical, government, libraries and museums. Computers facilitate complex computations, online banking, mobile banking, online education, e-commerce, special effects in movies, digital reading and publishing, hotel bookings, engineering design, sports training, medical diagnostics, and government administration.
Characteristics of Computer
A computer has several key characteristics:
It is automatic, meaning it will perform tasks without human intervention once started. It is extremely fast, able to perform calculations in milliseconds. Computers are also very accurate in their calculations. Unlike humans, computers can work continuously without getting tired or losing concentration. Computers are also versatile, as their capabilities can be changed by loading new programs. They have enormous memory and storage capabilities to store and recall vast amounts of information. However, computers have no intelligence or feelings of their own - they must be programmed with logical step-by-step instructions to perform tasks.
01. Basics of Computer Hardware
The document discusses the key components of a computer system, including hardware, software, and liveware. It describes the central processing unit (CPU) as the brain of the computer and explains that CPU speed is measured in instructions processed per second. It also discusses main memory (RAM), storage devices like hard drives, and input/output devices. Multi-core processors are mentioned as a way to increase processing performance. RAM is described as volatile memory that holds instructions and data, with its capacity and frequency affecting software usage and multitasking ability. Common input devices include keyboards, mice, and touchscreens, while monitors are typically the main output device.
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This document provides an overview of computer components and their functions. It discusses the central processing unit (CPU) which contains the arithmetic logic unit, control unit, and memory unit. The CPU is located on a microprocessor chip in the system unit. Storage devices like hard disks, CD drives, and DVD drives are attached to the CPU and housed inside or outside the computer. A USB port connected to the CPU allows input/output devices and USB drives to interface with the computer.
Basic computer organization
The document summarizes the basic organization of a computer system. It describes that while computers have changed over time, the core logical structure has remained the same. The five main units that take input data and convert it to useful information are: 1) input unit, 2) storage unit, 3) processing unit, 4) control unit, and 5) output unit. The storage unit has two types - primary storage (memory) and secondary storage (disks/tapes), which store data temporarily and permanently respectively. The processing unit performs calculations and operations on data stored in primary storage. The control unit manages and coordinates the entire computer system.
Cpu ppt cse
The CPU is the central processing unit of a computer that carries out instructions to perform basic arithmetic, logical, and input/output operations. It acts as the brain of the computer. Early CPUs were custom-designed for specific applications but are now mass-produced. The CPU consists of a control unit, arithmetic logic unit, registers, and communicates with memory and peripheral devices. It reads instructions from memory and directs the flow of data between different components.
Introduction and brief history of computers
This document provides an introduction and history of computers. It defines what a computer is and who a user is. It discusses data and information and how information technology uses computers. It then outlines the history of computers from mechanical computers in the 1600s to modern electronic computers. It describes the four generations of electronic computers from vacuum tubes to microprocessors. It concludes by defining types of computers like analog and digital and classifying computers such as supercomputers, mainframes, workstations, servers, desktops, laptops and palmtops.
Secondary storage devices
This section of the memory is also referred to as backup storage.
The storage capacity of primary storage is not sufficient to store the large volume so secondary storage.
Secondary storage also know as external memory or auxiliary storage not directly accessible by the CPU.
Basic of Computer Introduction - World of Computers
Basic of Computer Introduction - World of Computers Amity University | FMS - DU | IMT | Stratford University | KKMI International Institute | AIMA | DTU
This Slides covers:
Introduction to world of Computers, Basic Structure of Computer System, Computers in Home (Reference, Education & Communications, Entertainment an Digital Media Delivery, Smart Appliances, Home Computers), Computers in Education, Computers in workplace (productivity and decision making, customer services, communications), Computers on the move (Portable and Hand held computers, Self-Service kiosks, GPS Applications), Generation of Computer, Types of Computer (Size and Technology wise), Support Systems - Hardware and Software, Computer Peripherals, Memory Management.
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The document discusses different types of computers:
- Analog computers represent data with continuous physical quantities like voltage. Accuracy depends on precision of measurements.
- Digital computers use discrete values like binary digits to represent data symbols. They are used for business/science data processing and storing large quantities of data magnetically.
- Hybrid computers combine analog and digital, using analog input converted to digital for processing and accuracy.
- Other computer types discussed are mainframes for CPU/I/O intensive jobs, mini computers for real-time multi-user apps, microcomputers for simple tasks, and supercomputers for large data and intensive computing.
Storage devices
Storage devices come in various types to suit different needs. Internal memory like ROM, RAM, and hard disks are built into computers, while external devices like floppy disks, zip disks, magnetic tapes, CDs/DVDs, and flash drives can transfer and store data. Larger capacity devices like hard disks, DVDs, and flash drives let users store more data than older options like floppy disks, but may be more expensive or fragile. The appropriate storage device depends on needs like data size, portability, and hardware compatibility.
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1比1定做(aub毕业证书）伯恩茅斯艺术大学毕业证硕士学历证书原版一模一样
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3:国家专业人才认证中心颁发入库证书
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本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
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3:国家专业人才认证中心颁发入库证书
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