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Question 55Asked in UGC NET Computer Science, June 2017 (Paper II & III, Selected Questions)

Names of some of the Operating systems are given below : (A) MS–DOS

Names of some of the Operating systems are given below : (A) MS–DOS (B) XENIX (C) OS/2 In the above list, following operating systems didn't provide multi-user facility.
  1. A(A) only
  2. B(A) and (B) only
  3. C(B) and (C) only
  4. D(A), (B) and (C)
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Correct answer: (D) (A), (B) and (C)

Explanation

(i) MS-DOS was a single-user operating system. (ii) XENIX has always been multi-user. (iii) OS/2 does not provide a multi-user facility. The book's key is (d): (A), (B) and (C).

From UGC NET Computer Science PYQ, June 2017 (Paper II & III, Selected Questions)

This is question 55 of UGC NET Computer Science PYQ, June 2017 (Paper II & III, Selected Questions). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.