1 |
Which of following is type fo sensor. |
- A. Sound sensor
- B. Pressure sensor
- C. Light sensor
- D. All
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2 |
What is the function of a Hard Disk Drive. |
- A. To store data only when the computer is turned off
- B. To store data permanently
- C. To store data temporaily
- D. To store data for a limited time
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3 |
OCR stand for |
- A. Optical corret Reading
- B. Optical Character Reader
- C. Optimal Copy Reading
- D. Optical Character Reading
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4 |
What does a light pe consist of |
- A. A laser beam at its base
- B. A sphericla ball at its lower end
- C. A photocell and an opticla system
- D. A microphone
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5 |
Which of the following is not an input device. |
- A. Keyboard
- B. Speaker
- C. Mouse
- D. <div>Scanner</div>
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6 |
Devices that are used to display the result of processing are called. |
- A. Output devices
- B. Input devices
- C. Storage Devices
- D. Processing devices
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7 |
All mathematicla opeations in computer are performed by. |
- A. Memory unit
- B. Control Unit
- C. Arithmetic unit
- D. Storage unit
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8 |
What type of display is used in modern monitors. |
- A. CRT
- B. SMD LED
- C. TFT or LCD
- D. Plasma Display
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9 |
What is the function of Sold State Drive. |
- A. To sgtore data permanently
- B. To store data temporarily
- C. To store data for a limited time
- D. To store data only when the computer is turned off.
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10 |
In light pen the sensing element is called. |
- A. Light cell
- B. Cell
- C. Photocell
- D. None
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