What is computer by savita
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Computer is an electronic device that performs calculations and stores data. It consists of both hardware and software. Hardware refers to any physical device used with the machine, like the monitor, CPU, and keyboard. Software is a collection of code installed into the computer's hard drive. The CPU is where most calculations take place. Input devices like the keyboard and mouse are used to enter information. Output devices such as the monitor and printer are used to display the results of computations.
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This document discusses different types of input devices used in computer systems. It begins by explaining the IPO (Input-Process-Output) cycle, where input devices are used to enter data into a computer. It then describes several common input devices like keyboards, mice, touchpads, scanners, microphones, digital cameras, barcode readers, joysticks, and webcams. For each device, it provides a brief explanation of its function and how it is used to input data into the computer system.
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Microcomputers became the most common type of computer in the late 20th century. The term “microcomputer” was introduced with the advent of systems based on single-chip microprocessors. The best-known early system was the Altair 8800, introduced in 1975. The term "microcomputer" has practically become an anachronism.
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This document provides an overview of common computer input and output devices. It describes keyboards, pointing devices like mice and touchpads, scanners, cameras, microphones and sensors that serve as inputs. As outputs, it outlines monitors, projectors, speakers, printers like inkjet and laser printers, and actuators such as motors, pumps and buzzers that can control real-world devices. Input devices convert real-world data to digital signals for computers, while output devices take computers' digital outputs and display or actuate them in the physical world.
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learn classification of computer system based on their size,there components,features,and types of computer with functionality,speed and capabilities.
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This document defines and categorizes peripheral devices that can be connected to a computer. Peripheral devices are described as auxiliary equipment that are connected to the CPU independently of the computer and help the computer communicate with the outside world. The document outlines four main categories of peripheral devices: input devices that enter data for processing, output devices that display or project information, storage devices that store data and information, and communication devices that connect computers to other machines to send and receive information.
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Peripheral devices expand the functionality of computers and include input and output devices. Some examples are:
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- An image scanner optically scans images, text, and objects and converts them to digital files.
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This document discusses the basics of computer hardware and software. It defines hardware as the physical parts of a computer like the keyboard, monitor, chips, and data. Software is defined as programs and data that allow hardware to function through a series of instructions. The document outlines that computers require both hardware and software to work, as each is useless without the other. It provides examples of common internal hardware components like the CPU, memory, and hard drive, and external components like keyboards, monitors, and printers. Input and output devices are described as how information flows between the user and computer. The document also defines operating systems, application software, and utility software and their different functions for running and maintaining a computer.
hardware & software
The document discusses the basics of computer hardware and software. It defines hardware as the physical parts of a computer like the keyboard, monitor, chips, and data. Software is defined as programs and data that allow a computer to function through a series of instructions. The document outlines that computers require both hardware and software to work, as each is useless without the other. It provides examples of common computer hardware components like the CPU, memory, hard drive, and input/output devices. It also distinguishes system software like the operating system from application software and utility software.
hardware & software
The document discusses the basics of computer hardware and software. It defines hardware as the physical parts of a computer like the keyboard, monitor, chips, and data. Software is defined as programs and data that allow a computer to function through a series of instructions. The document outlines that computers require both hardware and software to work, as each is useless without the other. It provides examples of common computer hardware components like the CPU, memory, hard drive, and input/output devices. It also distinguishes system software, application software, and utility software.
COMPUTER BASICS
The document discusses computers, computer software, hardware, and their general operations. It defines a computer as an electronic device that manipulates data through input, storage, processing, and output. Computer software includes both application software like word processors and web browsers, as well as system software like operating systems. Computer hardware refers to the physical components like processors, memory, input devices like keyboards, and output devices like monitors. The general operations of a computer involve inputting data, processing and storing the data in memory, and then outputting the results.
what is computer
A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.
Components of computer
The document outlines the major hardware and software components that make up a computer system. It describes the central processing unit (CPU) and processor as the components that interpret and execute program instructions. It also discusses the various input and output devices like the keyboard, mouse, monitor, and printer, as well as storage devices like hard disks, floppy disks, CD/DVD drives, and memory chips. The document explains that hardware refers to the physical parts of the computer and software provides instructions to the CPU to carry out programs and tasks for the user.
Lecture 1
The document provides an overview of computer basics including:
- The need for computer literacy in most workplaces to access information and advance careers.
- Components of a computer system including hardware, software, and users. Hardware includes input/output devices and the central processing unit.
- An explanation of what a computer is as a programmable electronic device that takes in data, processes it according to instructions, and provides information.
- The main components of a computer system including the CPU, memory, secondary storage, and different types of software like system software, application software, and utility software.
BASIC COMPUTER NOTES Y G J 1234.pptx
The document provides an introduction to basic computer components, including input and output devices. It defines a computer as an electric device that takes in data and instructions as input, processes the data, and provides useful output. The document then distinguishes between input and output devices, with input devices capturing and translating information for processing, and output devices presenting processed information. It also defines computer software as the collection of programs and related data that provide instructions for what a computer should do. The document outlines hardware as the physical parts of the computer system, including both internal components like motherboards and hard drives, as well as external peripherals like monitors, keyboards, and printers.
Computer fundamental
The document defines a computer as a programmable electronic device that processes data under a set of instructions and provides output. It notes that while there is no official full form of the word "computer", it is commonly abbreviated as standing for Common Operating Machine Particular Users Technology Education and Research. The document then outlines the four main functions of a computer as accepting input data, processing it, producing output, and storing results. It provides examples of input, processing, and output, and defines a computer system as consisting of hardware, software, and a user.
1. the computer system
The document discusses the key components and functions of a basic computer system. It begins by defining a computer as a machine that can perform programmed instructions to process digital data and produce outputs. It then describes the main elements of a computer system as the hardware, software, data, people, connectivity and procedures. The hardware components discussed include the internal central processing unit (CPU) and memory, as well as external input and output devices like keyboards, monitors and printers. The document also provides examples of common computer hardware components and their functions within a basic computer system.
Office automation
MS Office Course in Rawalpindi Islamabad
Computer and IT Knowledge is more essential for all fields of life. The main objective of Ms Office course to provide basic knowledge of Computer and IT, this course include all the necessary software use in office work. After the completion of this course students will able to do job as computer operator or go further in advance levels of IT. This course focus on ms office course, excel training, Microsoft office training, online excel training, we also provide ms excel tutorial, Microsoft excel training courses
Basic introduction of computer
The document provides an overview of computers, including their history and components. It discusses how Charles Babbage designed the Analytical Engine in the 19th century, laying the foundations for modern computers. It defines a computer as an electronic device that accepts, stores, processes, and outputs data. Computers have hardware and software components - hardware includes input/output devices and storage, while software includes operating systems and application programs. The document also outlines the main types of computers - supercomputers, mainframes, and personal computers - and describes their relative processing power, size, and cost.
ITFT- basics of computer II
A computer is an electronic device that receives data as input, processes that data, and produces an output or result. It is made up of both hardware and software. The hardware are the tangible parts like input devices, output devices, and storage devices. The software are sets of instructions written by programmers to tell the hardware what to do. There are two main types of software: system software which enables the computer to function, and application software which allows users to perform tasks.
The computer
I'ts all about computer. About the function, input devices,output devices,storage devices and process devices. And also types of computers, P.C Back Panel Labeled and Motherboard Labeled
Lesson 1: CAD Software and Computer Hardware
Lesson 1: CAD Software and Computer Hardware
prepare and to familiarize with the different things needed in operating the CAD software and the computer hardware
Technical terms in operating cad software and hardware
Computer system can be broken down into two basic elements, the hardware and the software.
Input_and_output_devices.pptx
A computer is an electronic device that can accept data as input, process the data according to instructions, produce output, and store information for future use. It has a central processing unit that executes instructions at high speeds with accuracy. Common computer components include input devices like keyboards and mice, output devices like monitors and printers, memory, storage devices, and software. Networks allow computers to be connected and share resources.
Lecture 1 operate a computer system
This document defines a computer and its basic components. It explains that a computer consists of hardware and software. It describes the main hardware components including the central processing unit (CPU), random access memory (RAM), and input/output devices. It outlines the basic functions of the CPU, RAM and how they work together. It also discusses input, storage, processing and output as the main elements in a computer system. Finally, it covers basic computer operations like turning a computer on and off and the consequences of computer theft.
Connecting hw peripheral Presentation1.pptx
The document discusses connecting hardware peripherals to a computer system. It defines hardware and software components, including input devices like keyboards and mice, output devices like monitors and printers, and storage devices like hard drives. It emphasizes the importance of understanding a client's needs through careful planning, such as determining system specifications, available budget and timeframe. Only after analyzing a client's specific requirements can appropriate peripheral devices be identified and documented.
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What is computer by savita
- 1. What is computerWhat is computer ?? • The name ofThe name of computer is derivedcomputer is derived from word computer.from word computer. The word computerThe word computer means calculate someans calculate so computer means thecomputer means the device which performdevice which perform calculation. It is ancalculation. It is an electronic device thatelectronic device that is use to calculate anis use to calculate an store the data.store the data.
- 2. Differences of Hardware andDifferences of Hardware and SoftwareSoftware • ComputerComputer hardware is anyhardware is any physical devicephysical device used or with yourused or with your machinemachine • Software is aSoftware is a collection of codecollection of code installed into yourinstalled into your computer hardcomputer hard drivedrive
- 3. Computer HardwareComputer Hardware • MONITOR:- T.V likeMONITOR:- T.V like screen used to showscreen used to show picture and wordspicture and words • C.P.U:- CentralC.P.U:- Central processing unit this isprocessing unit this is where most of thewhere most of the computer calculationscomputer calculations take placetake place • KEYBOARD:- This deviceKEYBOARD:- This device is used to typeis used to type information into theinformation into the computer and containscomputer and contains the numbers 0-9the numbers 0-9
- 4. Computer Input deviceComputer Input device • Input device Mouse,Input device Mouse, Keyboard , image scanner.Keyboard , image scanner.
- 5. Computer output DeviceComputer output Device • Output device = Monitor , printerOutput device = Monitor , printer
- 6. Computer output DeviceComputer output Device • Output device = Monitor , printerOutput device = Monitor , printer