August 2013
Beginner
464 pages
16h 15m
English
Content preview from Express Learning - Computer Fundamentals and Programming
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Operating Systems I-57
3. ensure(s) that deadlock will never occur.
(a) Deadlock avoidance (b) Deadlock prevention
(c) Both (a) and (b) (d) Circular wait
4. DOS stands for .
(a) Distributed operating system (b) Disk operating system
(c) Driver operating system (d) Diskless operating system
5. Which of the following command copies the contents of one disk to another?
(a) DISKCOPY (b) PATH
(c) wc (d) md
6. Which of the following is a freeware OS?
(a) MS-DOS (b) WIN-XP
(c) Linux (d) WIN-95
7. Math input panel is present in which of the following OS?
(a) Windows 2000 (b) Windows XP
(c) Windows Vista (d) Windows 7
Answers
1. (b) 2. (d) ...
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