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
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
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
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
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
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