# “HAPPINESS SHOULD BE A FUNCTION WITHOUT ANY PARAMETERS”

## ONLINE MCQ'S ON COMMUNICATION AND NETWORKING (FCCN).

1.The_______________is the final block in the communication system which receives message signal and processes it.

Destination is the final block in communication system.

2.Signal Attenuation is measured in Units called as ___________.

3.The loss of strength of a signal while propagating through a medium is known as _____.

The loss of strength of a signal while propagating through a medium is called Attenuation.

4.Message Signal in its Original Frequency range is Called as______________.

Message Signal in its Original Frequency range is Called as Baseband.

5.The entire range of _______that the EM wave can produce oscillations in termed as Electromagnetic Spectrum.

6.As Frequency increases , the Period ____________.

As Frequency is inversely proportional to period.

7.____________Signal Repeats a Pattern Over and Over Again.

As a function returning to the same value at regular intervals.

8.____________Signals can have an INFINITE number of values in a range.

Analog signals are signals that vary continuously and can take on an infinite number of values in a given range.

9.A Periodic Signal has a bandwidth of 30 HZ .The Highest frequency is 80Hz. Its Lower Frequency will be______.

BW=BW(HIGHEST)-BW(LOWEST), ie BW(LOWEST)=80-30=50Hz.

10.A Composite signal contains frequencies between 2000 to 6000 , What will be BW?

BW=BW(HIGHEST)-BW(LOWEST), ie BW=6000-2000=4000.

11.If a computer on the network shares resources for others to use , it is called _________.

12.ISO Stands for_________________________.

13.The data link layer divides the stream of bits received from the network layer into manageable data units called ______.

14.Satellite has several devices that accept a signal with specified frequency range and rebroadcast it over different frequencies.Those Devices are Known as ________________.

15.As Per Nyquist Criteria , the Sampling rate is ______________.

16.Message signal in its original frequency range is called as ____.

17.The modulated signal is the _______ signal.

18.Transmitting the video signal from your camera to your 'TV using a wire represents a _________ communication.

19.Which of the following is suitable only for long distance communication?

20.The process of shifting the _________ to passband range for transmission is known as modulation.

21.The signal which dictates regulation is termed. As ______ signal.

22.Wavelength is usually represented by the letter _____.

23.What is range of audio frequency?

24.Before data can be transmitted, they must be transformed to__________________.

25.The completion of one full pattern is called a_______.

26.A periodic signal completes one cycle in 0.001s.? What is the frequency.

As period is inversely proportional to frequency, ie F=1/T F=1/0.001 =1 kHz.

27.What happens when a sine wave with a phase of 00 starts at time 0 with a zero amplitude?

As in sine wave amplitude increases from 0 to 90 degree.

28.The range of frequencies contained in a composite signal is its _____.

29.Instead of referring to digital signals as having a period and frequency when measuring a signal's bandwidth, one should refer to ______.

30.Set of rules that govern communication is called____.