121. By default, word automatically saves your document after every ?
(A) 5 minutes
(B) 10 minutes
(C) 15 minutes
(D) 20 minutes

122. Pressing Ctrl+Shift+A causes ?
(A) To select whole document
(B) To highlight the selected text
(C) To capitalize the selected text
(D) Office assistant to appear

123. Pressing Ctrl+Shift+D causes ?
(A) To delete the selected text
(B) To underline selected text
(C) To double underline the selected text
(D) None of these

124. The number of colours a VGA monnitor displays are ?
(A) 16
(B) 256
(C) 64
(D) 4

125. The device driver is an example of ?
(A) System software
(B) Application software
(C) Freeware
(D) Shareware

126. A standard keyboard used in personal computer has ?
(A) 80 keys
(B) 84 keys
(C) 101 keys
(D) 102 keys

127. Which of the following layers of OSI model is responsible for breaking data into segments ?
(A) Presentation
(B) Transport
(C) Datalink
(D) Session

128. The Media Access Control sub layer resides in which layer ?
(A) Datalink
(B) Physical
(C) Network
(D) Transport

129. Which of the following coding schemes uses 4-bit code ?
(A) Unicode
(B) ASCII
(C) EBCDIC
(D) BCD

130. Satellite transmission stations that can both send and receive messages are known as ?
(A) Transreceivers
(B) Receivers
(C) Earth Stations
(D) Transmitters

ANSWERS: COMPUTER SCIENCE QUIZ
121. B
122. C
123. C
124. B
125. A
126. C
127. B
128. A
129. D
130. C
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