ECAT Computer Science MCQS Set 1

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ECAT Computer Science MCQS Page 7


Which of the following coding scheme uses 4-bits code
BCD
ASC II
EBCDIC
Uni Code

The number of times wave repeats during specific time interval is called:
Frequency
Pulse
Amplitude
Oscillation

The connection between modern and outside the world is a /an:
Analog
Digital
Electrical
Automatic

Unicode is a
16- bit code
32 – bit code
64 – bit code
132 – bit code

Analog signal is measured in
Volts
Hertz
Bit
None

Which of the following is the fastest mode of transmission?
Full-duplex
Half duplex
Simplex
None

Which of the following feature is provided with Modem?
Self-testing
Speed
Transmission rate
All of these

All are guided media except:
Micro Wave
Fiber optic
Coaxial
Twisted

Stop bit are required in this type of transmission
None
Asynchronous
Internittent
Synchronous

Which of following type of data is used to display actions and movements
Video
Audio
Image
Text

The electromagnetic waves representation data are called
Signal
Information
Sender
Message

A telephone line is an example of:
Full duplex
Simplex Mode
Half-duplex
None

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