CS601 Midterm MCQs by VU Topper RM

Q1. Vu-Topper RM (1 marks)

TCP/IP was presented by___________ in a research paper.

Vin Cerf and bob Kahn

Q2. Vu-Topper RM (1 marks)

HDB3 falls under which coding scheme?

Bipolar

Q3. Vu-Topper RM (1 marks)

Line coding scheme is roughly divide into___________ broad categories.?

Five

Q4. Vu-Topper RM (1 marks)

A frequency is called ___________, if the rate of change in sine wave Is Instantaneous.

Infinite frequency

Q5. Vu-Topper RM (1 marks)

The bipolar encoding scheme was developed as an alternative of __________.

NRZ

Q6. Vu-Topper RM (1 marks)

In ____________ TCP/IP was declared as the official protocol of internet.

1983

Q7. Vu-Topper RM (1 marks)

If 32 bits are sent in two seconds then bitrate for that signal is

16 bps

Q8. Vu-Topper RM (1 marks)

Relatively measures the strength of two signals.

Decibel

Q9. Vu-Topper RM (1 marks)

In _______________ data moves faster and timing errors are less frequent because the transmitter and receiver time is synced.

Synchronous

Q10. Vu-Topper RM (1 marks)

PSK is ________ susceptible to noise as compared to ASK.

False

Q11. Vu-Topper RM (1 marks)

There are ____________ components of data communication system.

Q12. Vu-Topper RM (1 marks)

Which one of following is a scrambling coding technique?

B8ZS

Q13. Vu-Topper RM (1 marks)

In NRZ-I the signal is inverted if _________ is encountered.

Q14. Vu-Topper RM (1 marks)

If a digital transmission system is sending five bits in every half a second, the bitrate of the system will be ___________________.

5 bps

Q15. Vu-Topper RM (1 marks)

_________ layer is responsible for creating datagrams.

Network

Q16. Vu-Topper RM (1 marks)

_______________ is the Nyquist bit rate formula for noiseless channel.

BitRate=2*Bandwidth*log2 L

Q17. Vu-Topper RM (1 marks)

Signals travel through fiber optic cable are in the form of ___________.

Light

Q18. Vu-Topper RM (1 marks)

When data is sent using __________________ , multiple data bits are transmitted over multiple channels at the same time.

parallel transmission

Q19. Vu-Topper RM (1 marks)

In Binary ASK, the peak amplitude of one signal level is 0 and the other is the same as the _______________ of the carrier.

Amplitude

Q20. Vu-Topper RM (1 marks)

_______________category of coaxial cable is used for thick Ethernet.

RG-58

Q21. Vu-Topper RM (1 marks)

Time taken by a periodic signal to complete one cycle is called ___________. period.

Q22. Vu-Topper RM (1 marks)

The most common type of connector used by coaxial cable is ___________.

BNC

Q23. Vu-Topper RM (1 marks)

Quadrature Amplitude Modulation is the mechanism of _______________ conversion.

Digital to analog

Q24. Vu-Topper RM (1 marks)

QAM stands for _________________________ .

Quadrature Amplitude Modulation

Q24. Vu-Topper RM (1 marks)

According to Nyquist theorem, the sampling rate must be at least ________ times the highest frequency contained in the signal.

Twice

Q25. Vu-Topper RM (1 marks)

_______ is an example of transmitter.

Modem

Q26. Vu-Topper RM (1 marks)

In analog transmission of digital data, the required bandwidth is always proportional to the signal rate except in _______, a digital to analog conversion technique.

FSK

Q27. Vu-Topper RM (1 marks)

______________have established standards for using these signals for communication between devices such as keyboards, mice, PCs, and printers.

Infrared waves

Q28. Vu-Topper RM (1 marks)

WDM stands for __________________.