⚡️ Computer multiple choice questions answer PDF Test No – 9


91. CD-ROM is a
(1) Semiconductor memory
(2) None of these
(3) Magnetic memory
(4) All of the above
(5) Memory register

Ans-5 ✔

92. Actual execution of instructions in a computer takes place in ,
(1) Control Unit
(2) ALU
(3) Storage unit
(4) All of the above
(5) None of these

Ans-1 ✔

93. Which of the following is used as a primary storage device
(1) Magnetic tape
(2) PROM
(3) Floppy disk
(4) None of these
(5) All of the above

Ans-4 ✔

94. Information retrieval is faster from
(1) Floppy disk
(2) Hard disk
(3) Magnetic tape
(4) All of the above
(5) None of these

Ans-2 ✔

95. Operating system is
(1) A collection of software routines
(2) A collection of input-output devices
(3) A collection of hardware components
(4) All of the above
(5) None of these

Ans-1 ✔

96. Operating system
(1) Provides a layered, user-friendly interface .
(2) Link a program with the subroutines it references
(3) Enables a programmer to draw a flowchart
(4) All of the above
(5) None of these

Ans-2 ✔

97. Execution of two or more programs by a single CPU is known as:
(1) Multiprocessing
(2) Time sharing
(3) Multiprogramming
(4) None of these
(5) All of these

Ans-4 ✔

98. Modem stands for
(1) A type of secondary memory
(2) Mainframe operating device memory
(3) Modulator demodulator
(4) All of the above
(5) None of these

Ans-2 ✔

99. Typical data transfer rate in LAN are of the order of
(1) Kilo bits per sec
(2) Bits per sec
(3) Mega bits per sec
(4) All of the above
(5) None of these

Ans-1 ✔

100. Ethernet uses
(1) Ring topology
(2) Bus topology
(3) Mesh topology
(4) All of the above
(5) None of these

Ans-2 ✔

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