MCQ Computer exam Part-6

119. Web cam is an
Ans. A) input unit device       B) output unit device
C) processing device        D) Input and Output device

120. Bit stands for
Ans. A) Binary digits              B) bit of system
C) a part of byte                      D) All of above

121. Access time is
Ans. A) seek time + latency time        B) seek time
C) seek time ? latency time                 D) latency time

122. Which device can understand difference between data & programs?
A) Input device                       B) Output device
C) Memory                  Ans. D) Microprocessor

123. Which of the following is a read only memory storage device?
A) Floppy Disk                       Ans. B) CD-ROM
C) Hard Disk                          D) None of these

224. Symbolic logic was discovered by
Ans. A) George Boole            B) Herman Hollerith
C) Van Neumann                    D) Basic Pascal

124. Which was the computer conceived by Babbage?
Ans.A) Analytical Engine
B) Arithmetic Machine
C) Donald Kunth
D) All of above

125. The processing speed of first generation computers was
Ans.A) milliseconds
B) microseconds
C) nanoseconds
D) picoseconds

126. Model 5100 was ______ in 1957.
Ans. A) The first PC built by IBM
B) The first PC built by Apple
C) The first PC built by Motorola
D) The first PC built by Intel

127. VGA is
Ans. A) Video Graphics Array
B) Visual Graphics Array
C) Volatile Graphics Array
D) Video Graphics Adapter

128. A kind of scanner MICR is the short form of
Ans. A) Magnetic Ink Character Reader
B) Magnetic Ink Code Reader
C) Magnetic Ink Cases Reader
D) None

129. Which of the following is not a class based on size?
A) Mainframe Computer
B) Micro Computer
C) Mini Computer
Ans. D) Digital Computer

130. Which 8-bit chip was used in many of today’s TRS-80 computers?
A) Z-8000
B) Motorola 6809
C) Z-8808
Ans. D) Z-80

131. Which of the fol

lowing disk is fixed disk?
Ans. A) Hard Disks
B) Flash Disks
C) Blu-Ray Disks
D) DVDs

132. Which of the following professions has not been affected by personal computers?
A) Medical
B) Clerical and law
C) Accounting
Ans. D) None of the above

133. The word Abacus is derived from Abax, a word from
Ans. A) Latin language
B) Greek Language
C) Sanskrit language
D) Ancient Egypt

134. In latest generation computers, the instructions are executed
A) Parallel only
B) Sequentially only
Ans. C) Both sequentially and parallel
D) All of above

135. Which of the following memory medium is not used as main memory system?
A) Magnetic core
B) Semiconductor
Ans. C) Magnetic tape
D) Both a and b

136. An online backing storage system capable of storing larger quantities of data is
A) CPU
B) Memory
Ans. C) Mass storage
D) Secondary storage

137. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called
A) Laser printer
Ans. B) Ink-jet printer
C) Drum printer
D) Chan printer

138. Which of the following does not affect the resolution of a video display image?
A) Bandwidth
B) Raster scan rage
C) Vertical and horizontal lines of resolution
Ans. D) Screen size

139. Which of the following printing devices an output composed of a series of data?
A) Wire matrix printer
B) Band printer
C) Wang image printer
Ans. D) Both a and c

140. Which of the following is an example of fifth generation computer?
Ans. A) PIM/m
B) ICL 2950
C) IBM 1401
D) None of above

141. Magnetic disks are the most popular medium for
A) Direct access
B) Sequential access
Ans. C) Both of above
D) None of above