Online Computer MCQs from 66 to 70

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66. DOS was introduced by
(A) IBM
(B) Xerox
(C) Microsoft
(D) Bell labs

67. Which of the following operating system is based on open-source software?
(A) UNIX
(B) Windows 2000
(C) Windows NT
(D) Linux

68. The amount of time taken by a device to begin reading data is called
(A) Seek time
(B) Read time
(C) Access time
(D) Write time

69. The RAID technology that contributes to fault tolerance is called
(A) Disk mirroring
(B) Tolerant computing
(C) Data striping
(D) None Of These

70. MAN stands for?
(A) Metropolitan Arranged Network
(B) Marked Area Network
(C) Manufactured Arrangements of Networks
(D) Metropolitan Area Network

ANSWERS: ONLINE COMPUTER MCQS
66. (A) IBM
67. (D) Linux
68. (C) Access time
69. (A) Disk mirroring
70. (D) Metropolitan Area Network