Operating Systems Concepts - Section 8 Multiple Questions and Answers.




26.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

27.The operating system of a computer serves as a software interface between the user and
A. hardware
B. peripheral
C. memory
D. screen

28.Which of the following statement is true.
A. The LRU algorithm pages out pages that have been used recently
B. Thrashing is a natural consequence of virtual memory systems.
C. Seek analysis is used for analysing control-unit busy problems.
D. All of the above

29.Which of the following is a phase of a compilation process
A. Lexical analysis
B. Code generation
C. Both of the above
D. Static analysis

30.Which are the most important features of Microsoft Windows program?
A. Windows
B. Pull-down menus
C. Icons
D. All of the above

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