26. What is the name of the operating system that reads and reacts in terms of actual time.
A. Batch system
B. Quick response system
C. Real time system
D. Time sharing system
E. None of the above
27. An incremental backup
A. should be done each month
B. uses more tapes
C. saves all files
D. saves only files that have recently changed
E. None of the above
28. The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called
A. Software
B. Shareware
C. Firmware
D. Mindware
E. None of the above
29. The disadvantages of “Compile and Go” loading scheme is (are):
A. a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
B. it is necessary to retranslate the user’s program deck every time it is run.
C. it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
D. all of the above
E. None of the above
30. The operating system of a computer serves as a software interface between the user and
A. hardware
B. peripheral
C. memory
D. screen
E. None of the above