ECAT Computer Science MCQS Page 6
A LAN is a combination of
ALL
Network adapter cards
LAN cables
LAN application software
Which of the following is not a network topology?
SNA
Star
Ring
Bus
Each computer on a network is called a
Node
Bus
Server
None
OSI reference Model has
7 layers
6 layers
3 layers
1 layers
Internet surfing is example of
Half duplex
Simplex
Full duplex
None
Along signal is measured in
Volt
Hertz
Digits
Watts
BPS stands for:
Bytes per second
Bound per second
Bits per second
Binary packets per second
The height of wave within a given period of time is known as
Amplitude
Frequency
Oscillation
Pulse
The internet transfer of data in computer uses
Parallel mode
Serial mode
Both a and B
None
All are guided media except
Micro wave
Fiber optic
Coaxial
Twisted pair
The process of transferring data electronically from one place to another is called
Data Communication
Data processing
Data sender
Data sequencing
BCD code is_______bit code:
4-bit
2-bit
6-bit
8-bit
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