Question

COMPUTER
make a list of all input and output devices in the computer
laboratory in your school.
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Answer 1

Answer:

Input Devices:are the devices which are used to give input to the computer

Examples of Input Devices:

1. Keyboard.

2. Mouse.

3. Light Pen.

4. Joystick.

5. Micro Phone.

6.Bar Code Reader.

7.Scanner.

8. Touch Pad.

Output Devices : Output Devices are used to give the final processed result.

Examples :

1. All types of Printer.

2. Monitor.

3. Speaker.

4.Plotters.

5.Head Phone.

6. Projectors.

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Answer 2

Answer:

List of Input Devices:

Keyboard, Mouse, Scanner, Light Pen, Optical Character Reader, Joy Stick, Track Ball, and Microphone

List of Output Devices:

Monitor, Printer, Plotter, Projector, Speakers, Headphones, Sound Card, Video Card.

Explanation:

Input Devices:

Input devices are those hardware devices that can send data to the computer by the user. Without having an input device you cannot input your data into the computer.

• Keyboard: It is the most common input device that is used to send characters, numbers, letters, and symbols to the computer.
• Mouse: It is very useful in the Graphical User Interface(GUI). It is used to click on the icons and symbols,
• Scanner: Scanner is used to send the graphical data to the computer.
• Microphone: It is used to send the audio or voice data to the computer.

Output Devices

Output devices are those hardware devices that show the result after the processing done by the CPU. They can show the output either on the display screen or on paper.

• Monitor: Monitor display the content after the processing. It can show the text, graphics, and symbolic data. It is one of the most common output devices.
• Printer: It prints the text data on paper. It can print either in black and white mode or colored mode.

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