Input devices of computer and their functions pdf

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input devices of computer and their functions pdf

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While the term computer can apply to almost any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. The major storage device of the computer system is the hard disk or Hard drive. A computer has many components, each with their own roles and functions. Hardware are the physical components of a computer like the processor, memory devices, monitor, keyboard etc. Meaning of Computers.

Hardware refers to the physical, tangible computer equipment and devices, which provide support for major functions such as input, processing internal storage, computation and control , output, secondary storage for data and programs , and communication. A computer system is a set of integrated devices that input, output, process, and store data and information. Computer systems are currently built around at least one digital processing device. There are five main hardware components in a computer system: Input, Processing, Storage, Output and Communication devices. Are devices used for entering data or instructions to the central processing unit. Are classifie according to the method they use to enter data.

10.1 FUNCTIONS OF INPUT AND OUTPUT DEVICES

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It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. Forgot Pasword? Aliquam pulvinar eleentum vestibulum. Vestibulum ante ipsum primis in faucibu sorci luctus et ultrices Nam quis facilisis magna. Nunc imperdiet libero sapien, ut faucibus magna pharetra. Input Devices a. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch Sreeen,Speech input device microphone III.

The computer processes the data and then produces. Introduction II. Input Devices a. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch Sreeen,Speech input device microphone III. Standard Methods of Input Input device enables you to input information and commands into the computer. The Keyboard One of the first peripherals to be used with a computer and is still the primary input.


computer to allow the user to input different kinds of data and to control the computer in different ways. Some common input devices and their functions are.


Computer Basics: What Is an Output Device? 10 Examples

The Input Devices are the hardware that is used to transfer transfers input to the computer. The data can be in the form of text, graphics, sound, and text. Output device display data from the memory of the computer.

Inputs are the signals or data received by the system and outputs are the signals or data sent from it. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards , typically perform both input and output operations.

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