Which of the following are real-time systems? A. An on-line railway reservation system B. A process control system C. Aircraft control system D. A process control system & Aircraft control system Answer: Option D
The operating system is the most common type of …. Software A. Communication B. Application C. System D. Word processing software Answer: Option B
The operating system creates … from the physical computer A. Virtual space B. Virtual computer C. Virtual device D. None Answer: Option B
Which scheduler selects which processes should be brought into the ready queue? A. Real-term B. Long-term C. Mid-term D. Short-term Answer: Option B
Which of the following shutdown method is often called Warm Boot? A. Shut Down B. Restart C. Sleep D. Hibernate Answer: Option B
Which of the following memory unit that processor can access more rapidly A. Main Memory B. Virtual Memory C. Cache memory D. Read Only Memory Answer: Option C
Which of the following requires a device driver? A. Register B. Cache C. Main memory D. Disk Answer: Option D
Which is the first program run on a computer when the computer boots up? A. System software B. Operating system C. System operations D. None Answer: Option B
……. Is the layer of a computer system between the hardware and the user? A. Operating environment B. Operating system C. System environment D. None of these Answer: Option B
……. runs on computer hardware and serves as a platform for other system to run on A. Operating system B. Application system C. System software D. All of above Answer: Option A
KB Cambodia