Operating Systems Concepts – Section 2

16. Seeks analysis

A. is used for analyzing paging problems
B. is used for analyzing device busy problems
C. is used for analyzing control-unit busy problems
D. is only shown on real-time displays
E. None of the above

Correct Answer: B. is used for analyzing device busy problems

17. Which is a permanent database in the general model of compiler?

A. Literal Table
B. Identifier Table
C. Terminal Table
D. Source code
E. None of the above

Correct Answer: C. Terminal Table

18. What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

A. Partitioning
B. Multitasking
C. Windowing
D. Paging
E. None of the above

Correct Answer: B. Multitasking

19. Operating system

A. links a program with the subroutines it references
B. provides a layered, user-friendly interface
C. enables the programmer to draw a flowchart
D. all of the above
E. None of the above

Correct Answer: B. provides a layered, user-friendly interface

20. Software that measures, monitors, analyzes, and controls real-world events is called:

A. system software
B. real-time software
C. scientific software
D. business software
E. None of the above

Correct Answer: B. real-time software

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