61. A monitor of a computer is connected to it by a :
a) Cable
b) Wire
c) Bus
d) Modem
Ans. a
62. In a computer system, which device is functionally opposite to a Keyboard?
a) Mouse
b) Trackball
c) Printer
d) Joystick
Ans. c
63. A monitor looks like a TV set but it does not
a) receive TV signals
b) give a steady picture
c) display graphics
d) give a clear picture
Ans. a
64. Which of the following items is not used in Local Area Networks (LANs)?
a) Computer
b) Modem
c) Printer
d) Cable
Ans. b
65. A modem is connected in between a telephone line and a
a) Network
b) Computer
c) communication adapter
d) Serial port
Ans. c
66. When a group of computers is connected together in a small area without the help of telephone lines, it is called
a) Remote Communication network (RCN)
b) Local Area Network (LAN)
c) Wide Area Network (WAN)
d) Value Added Network (VAN)
Ans. b
67. A communication network which is used by large organizations over regional, national or global area is called
a) LAN
b) WAN
c) MAN
d) VAN
Ans. b
68. 1 byte is equal to
a) 2 bits
b) 8 bits
c) 16 bits
d) 32 bits
Ans. b
69. 1 Kb (kilibyte) and 1 MB (megabyte) are respectively equal to
a) 1024 bytes and 1000 kilobytes
b) 1000 bytes and 100 kilobytes
c) 1000 bytes and 10000 bytes
d) 1024 bytes and 100 kilobytes
Ans. a
70. A computer’s ‘clock-speed’ is measured in
a) megabytes and gigabytes
b) nanoseconds and picoseconds
c) bits and megabits
d) megahertz and gigahertz
Ans. d
71. The computer performs all mathematical and logical operations inside its
a) Central Processing Unit
b) Memory Unit
c) Output Unit
d) Visual Display Unit
Ans. a
72. The term “RAM” stands for
a) Random Awareness
b) Read All Memory
c) Read Any Memory
d) Random Access Memory
Ans. d
73. Which of the following are examples of input devices?
a) Visual display unit, dot matrix printer, laser printer
b) Keyboard, mouse, optical mark reader
c) Arithmetic and logic unit, control unit
d) RAM, ROM, PROM
Ans. b
74. The term ‘Program’ refers to
a) a sequence of· instructions
b) the computer’s internal design
c) any information stored in the memory
d) any information processed by the computer
Ans. a
75. C, C++, JAVA are the examples of
a) commercial computer brands
b) a computer’s internal parts
c) programming languages
d) types of secondary memory devices
Ans. c
