Student of group 961-21 Babadjanov Jamshid English lesson Self studies

Input and Output Devices of Computer

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Meaning and Examples of Input Devices
Examples:
Meaning and Examples of Output Devices
Examples:
Meaning and Examples of I/O devices (input and output devices)
Examples:
Meaning and Examples of Input Devices
Meaning: Input Devices are the electronic parts of the Computer System, used to input the user’s data or information into computers for the output results.
It can be defined as an electro-mechanical device that allows a user to input the data into a computer, by usually typing on a keyboard, or by clicking a mouse, by which we can input data into the computer.
The computer accepts instructions from the user and converts the received data into machine language to display the output results.
Examples: 
1. Keyboard – The keyboard one of the most prominent input devices of the computer, looks similar to typewriters. The keyboard is designed to input data in the format of the text, numbers, and special characters. The computer keyboard is one of the actual examples of input devices in computing.
The keyboard is probably the primary means of communicating with a computer system.

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  Related – 9 Types of Keyboards with pictures as per the needs.
  

2. Mouse – The mouse is another input device of a computer, also known as a pointing and Cursor Moving Device. Along with the keyboard, the mouse is again a widely used input device today.
Its main task is to detect the movement when being moved on a flat surface and inputting the information By Left-Clicking, Double Clicking, Right-Clicking, Dragging, scrolling. So that it is interpreted with the CPU and, thus, the mouse pointer imitates the movement on the computer screen.
The mouse is placed on the Mouse Pad, which is used to control the Cursor. From which we can do basic tasks like select, open, delete the files and folders.
3. Trackball – The trackball is a pointing device similar to a mouse but a bit different. It has a rollerball on the upper side through which we can rotate the Cursor on the screen with our thumb.

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