MCQS of Computer Science CS for FPSCS test, federal public service comission SET8

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

MCQS of Computer Science CS for FPSCS test, federal public service comission SET8

71. ____ software is used for workgroup computing
    (A) Freeware
    (B) Groupware
    (C) Shareware
    (D) Both A and B

72. ____ devices stores instructions that help the computer startup
    (A) RAM
    (B) Keyboard
    (C) Hard disk
    (D) ROM

73. _____is a technique used to protect a computer system from loss of data and other potential losses.
    (A) Data striping
    (B) Tolerant computing
    (C) Disk mirroring
    (D) None Of These

74. _____ is the Bottom-most layer of OSI model.
    (A) Data link
    (B) Transport
    (C) Network
    (D) Physical

75. Instant messaging, video conferencing, webcams, MUDs, MOOs and chat are examples of?
    (A) Synchronous
    (B) Analog
    (C) Digital
    (D) Asynchronous

76. Which is the important property of fiber optic?
    (A) Reflection
    (B) Refraction
    (C) Interface
    (D) None of These

77. _______ is extracting the original information-bearing signal from a carrier wave.
    (A) Modulation
    (B) Digitization
    (C) Demodulation
    (D) Conversion

78. An attribute in database is called?
    (A) Tuple
    (B) Field
    (C) Row
    (D) Relation

79. Which virus is a polymorphic virus? 
    (A) Chernobyl
    (B) Trojan Horse
    (C) Rudolf
    (D) Logic Bomb

80. ________ protocols is used by www?
    (A) TCP/IP
    (B) HTTP
    (C) FTP
    (D) Ethernet

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