| 1 |
What is the main purpose of a computer. |
- A. to process data and produce the desired information
- B. To save data
- C. To provide input
- D. To display output
|
| 2 |
What are teh two most common types of printers. |
- A. Inkjet and CRT
- B. Laser and CRT
- C. Inkjet and Laser
- D. CRT and Plotter
|
| 3 |
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
|
| 4 |
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
|
| 5 |
What two main elements make up a computer system. |
- A. Input and output devices
- B. Hardware and software
- C. Arithmetic and logical unit
- D. Control and memory unit
|
| 6 |
Input device which is used to transfer hardcopy into a computer is called. |
- A. Mouse
- B. Joystic
- C. Scanner
- D. Keyboard
|
| 7 |
Which of following is type fo sensor. |
- A. Sound sensor
- B. Pressure sensor
- C. Light sensor
- D. All
|
| 8 |
What is the function fo USB Flash Memory. |
- A. To stor edata for a limited time
- B. To store data Temporaily
- C. To store data permanetly
- D. To store data only when computer is turned off
|
| 9 |
Which of the following is not an input device. |
- A. Keyboard
- B. Speaker
- C. Mouse
- D. <div>Scanner</div>
|
| 10 |
What is a mouse in a computer system. |
- A. A joystic device
- B. A light pen device
- C. A microphne device
- D. A cursor -control device
|
