Latest Multiple Choice Questions of Data Communication

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Computer GK


Q.41 Many low-speed channels are interwoven into one high-speed transmission by…..

(A) time-division multiplexer

(B) frequency-division multiplexer

(C) both (A) and (B)

(D) none of these


Ans .  A


Q.42 A central computer surrounded by one or more satellite computers is called.

(A) bus network

(B) ring network

(C) star network

(D) none of these


Ans .  C


Q.43 The most flexibility in how devices are wired together is provided by…

(A) bust networks

(B) ring networks

(C) star networks

(D) T-switched networks


Ans .  A


Q.44 A network that requires human intervention to route signals is called.

(A) bus network

(B) ring network

(C) star network

(D) T-switched network


Ans .  D


Q.45 A packet-switching network

(A) is free

(B) can reduce the cost of using an information utility

(C) allows communication channels to be shared among more than one user

(D) both (B) and (C)


Ans .  D


Q.46 Local area network can transmit….

(A) faster than telecommunications over public telephone lines.

(B) slower than telecommunications over public telephone lines.

(C) using twisted-pair wiring or coaxial cables

(D) both (A) and (C)


Ans .  D


Q.47 A local area network….

(A) that connects thirty personal computers can provide more computing power than a minicomputer.

(B) cannot become bogged down like a mainframe if the load is too high..

(C) both (A) and (B)

(D) none of these.


Ans .  A


Q.48 The cheapest modems can transmit…..

(A) 300 bits per second

(B) 1200 bits per second

(C) 2400 bits per second

(D) none of these


Ans .  A


Q.49 Terminal emulation allows….

(A) a dumb terminal to pretend that it is a personal computer.

(B) a personal computer to pretend that it is a computer terminal

(C) a dumb terminal to produce a local echo

(D) both (A) and (B)


Ans .  B


Q.50 Sending a file from a personal computer’s primary memory or disks to another computer is called..

(A) uploading

(B) downloading

(C) logging on

(D) none of these



Ans .  A

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    Rajesh Bhatia

    A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.

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