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MCQ

Which network is a cross between circuits switched network and a data-gram network?

Circuit-switched network

Virtual-circuit network

Virtual-circuit identifier

None of these

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MCQ

What frequency range is used for TV transmission and low power microwave applications?

Very Low Frequency : 3 kHz to 30 kHz

Medium Frequency : 300 kHz to 3 MHz

Ultra High Frequency : 300 MHz to 3000 MHz

Super High Frequency : 3000 MHz to 30000 MHz

None of the above

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MCQ

Microprogramming is

assembly language programming

programming of minicomputers

control unit programming

macro programming of microcomputers

None of the above

Discussion

MCQ

Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

Network collisions occur

Repeaters cannot increase the signal strength sufficiently

Cable terminators do not reflect the signal properly

Cable terminators do not absorb the signal properly

"Line echo" occurs due to the impedance of the cable

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MCQ

What does FTP stand for?

File Transfer Protocol

File Transfer Program

File Thread Protocol

File Thread Program

None of these

Discussion

MCQ

The OCR reading unit attached to a POS terminal is called a

light pen

wand

cursor

All of the above

None of the above

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History and Generations

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Input Devices

Output Devices

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Number System

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Disk Operating System (DOS)

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Mixed

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