250 Question and answers related to computer

250 Question and answers related to computer

250 Question and answers related to computer

 

Question No.
111 A device designed to read information encoded into a small plastic card is
a Tape puncher
b Magnetic tape
c Card puncher
d Badge reader
e None of the above
Answer: Badge reader
Question No.
112 A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
a Modem
b Modulator
c Decoder
d Demodulator
e None of the above
Answer: Modem
Question No.
113 A group of magnetic tapes, videos or terminals usually under the control of one master is
a Surface
b Cylinder
c Track
d Cluster
e None of the above
Answer: Cluster
Question No.
114 Any device that performs signal conversion is
a Keyboard
b Modulator
c Plotter
d Modem
e None of the above
Answer: Modulator
Question No.
115 Codes consisting of light and dark marks which may be optically read is known as
a Decoder
b Mnemonics
c Bar code
d All of the above
e None of the above
Answer: Bar code
Question No.
116 A type of channel used to connect a central processor and peripherals which uses multipling is known as
a Multiplexer
b Modem
c Network
d All of the above
e None of the above
Answer: Multiplexer
Question No.
117 The first generation of computers available was based on the bit micro processors.
a 4
b 8
c 16
d 64
e None of the above
Answer: 8
Question No.
118 The complete picture of data stored in database is known as
a System flowchart
b Record
c DBMS
d Schema
e None of the above
Answer: Schema
Question No.
119 Which of the following is intended to be used in all applications runs on mainframe computers.
a PL/1
b LOGO
c OCCAM
d APL
e None of the above
Answer: PL/1
Question No.
120 A language which is close to that used within the computer is
a
b High-level language
c All of the above
d Assembly language
e None of the above
Answer: Low-level language

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