In this tutorial, we will try to answer the followings;

MCQS of Computer Science CS for air force test -SET 7

61. Which is the most widely used code for representing characters in computers?
    (A) EBCDIC
    (B) BCD
    (C) ASCII
    (D) None of These

62. Which type of reader commonly used to read bank cheques?
    (A) Magnetic-ink reader
    (B) Optical-mark reader
    (C) Bar-code reader
    (D) None of These

63. The standards were developed without any formal planning is called?
    
    (A) ISO
    (B) De Jure
    (C) De Facto
    (D) Both A and B

64. The computer can move instructions and data between memory and storage as needed, in a process is known as?
    (A) Pipelining
    (B) Volatility
    (C) Swapping
    (D) Exchanging

65. When you press a key, ____ device notifies the system software
    (A) Keyboard Controller
    (B) Keyboard
    (C) Keyboard Buffer
    (D) Keyboard Handler

66. Disk operating system was introduced by?
    (A) Bell Labs
    (B) Microsoft
    (C) Xerox
    (D) IBM

67. _____operating system is based on open-source software.
    (A) UNIX
    (B) Linux
    (C) Windows NT
    (D) Windows 2000

68. ___includes a brief latency period.
    (A) Access time
    (B) Seek time
    (C) Read time
    (D) Write time

69. Which is LAN protocol?
    (A) Token Ring
    (B) Ethernet
    (C) ARC net
    (D) All

70. The MAN network is an abbreviation for?
    (A) Metropolitan Area Network
    (B) Marked Area Network
    (C) Manufactured Arrangements of Networks
    (D) Metropolitan Arranged Network

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