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### Multiple Choice Questions (MCQs)

1. The device that sends data and instructions into the computer is:
- A. Input Device
- B. Output Device
- C. Processing
- D. Storage Device

2. Which of the following is an input device?
- A. Plotter
- B. Keyboard
- C. Printer
- D. Monitor

3. A hand-held device that controls the movement of the cursor on a display screen is:
- A. Mouse
- B. Joystick
- C. Touch Screen
- D. Printer

4. Which machine reads the bar code information?
- A. OCR
- B. MICR
- C. BarCode Reader
- D. None of these

5. Which device is used to check your examination papers?
- A. VDU
- B. Light Pen
- C. OCR
- D. MICR

6. Which of the following is an output device?
- A. Web cam
- B. Mouse
- C. Scanner
- D. Plotter

7. The smallest unit of storage is:
- A. Yottabyte
- B. Bits
- C. Kilobyte
- D. Byte

8. One Petabyte is equal to:
- A. 10 bytes
- B. 10^15 bytes
- C. 10^12 bytes
- D. None of these

Answers:
1. A
2. B
3. A
4. C
5. C
6. D
7. B
8. B


Sagot :

Final answer:

Input devices provide data to computers for processing, while output devices disseminate processed data. Storage devices store data permanently within a computer system.


Explanation:

Input Devices: Input devices are peripherals that provide input to a computer for processing. Examples include keyboard, mouse, scanners, bar code readers, joysticks, and touchpads.

Output Devices: Output devices disseminate processed data. Common examples are monitors, printers, and speakers that convert data from the computer into understandable forms for users.

Storage Devices: Storage devices such as hard disk drives, CDs, and DVD-ROMs store data permanently in a computer system.


Learn more about Input and Output Devices here:

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