Data Communication Test 01

Total Questions: 35

1 - Microwave transmission, coaxial cables and fiber optic cables are examples of:

A ) Modems
B ) Communication links ✅
C ) Gateway
D ) Ring Network

2 - Data communication only requires:

A ) Sender
B ) Receiver
C ) Transmission Medium
D ) All of the above

3 - BIT stands for:

A ) Binary integer
B ) Binary digit ✅
C ) Binary interval
D ) None

4 - Communication between a computer and a keyboard is ____ transmission.

A ) Simplex ✅
B ) Half-duplex
C ) Full- duplex
D ) Auto

5 - The ____ is the physical Path over which a message travels.

A ) Protocol
B ) Medium ✅
C ) Signal
D ) All

6 - The process of transferring data electronically from one place to another is called:

A ) Data processing
B ) Data Communication ✅
C ) Data sequencing
D ) Data Sender

7 - All of the following elements data communication system EXCEPT

A ) Sender
B ) Receiver
C ) Medium
D ) Voltage ✅

9 - Physical path that connect the sources and receiver is known as:

A ) Communication channel ✅
B ) Decoder
C ) Encoder
D ) Linear medium

10 - The electromagnetic or light waves representing data are called:

A ) Information
B ) Signal ✅
C ) Coding
D ) Mode

11 - The types of signals can be:

A ) Digital
B ) Analog
C ) A and B
D ) Clear

12 - Digital signal represents a sequence of ____ values.

A ) Continuous
B ) Discrete ✅
C ) Unique
D ) Bytes

14 - Sound, light and radio waves are examples of ____ signal.

A ) Digit
B ) Analog ✅
C ) Simple
D ) Green

16 - T height of wave within a given period of time is known as:

A ) Frequency
B ) Amplitude ✅
C ) Phase
D ) Pulse

17 - Frequency is measured in:

A ) Seconds
B ) Bps
C ) Hertz ✅
D ) Amps

18 - Computer transmit data in the form of____codes.

A ) Binary ✅
B ) Decimal
C ) Analog
D ) None

19 - An example of non-numerical data is:

A ) Address ✅
B ) Marks
C ) Bank balance
D ) Roll No

20 - The chart, graph, pictures and freehand drawing are examples of:

A ) Image data ✅
B ) Audio data
C ) Numeric data
D ) Text data

21 - The music and speech represent:

A ) Image
B ) Text
C ) Numeric
D ) Audio ✅

24 - Which of the following is Not a coding scheme to represent data in computer?

A ) Unicode
B ) EBCDIC
C ) Bilateral code ✅
D ) ASCII

25 - What binary bits are used to encode digital data?

A ) 0s
B ) 1s
C ) 0s and 1s ✅
D ) 0 to 9

26 - Each set of bit pattern is called:

A ) Code ✅
B ) Unicode
C ) Coding
D ) ASCII

27 - BCD code is a ____ bit code.

A ) 4
B ) 8
C ) 15 ✅
D ) 32

28 - ______ code is 7-bit or 8-bit code.

A ) BCD
B ) EBCDIC
C ) ASCII ✅
D ) Unicode

29 - EBCDIC is a ____ bit code.

A ) 4-bit
B ) 6-bit
C ) 7-bit
D ) 8-bit ✅

30 - Which of the following coding schemes uses for 4-bit code?

A ) ASCII
B ) EBCDIC
C ) BCD ✅
D ) Unicode

34 - Unicode uses:

A ) 16-bit ✅
B ) 32-bit
C ) 64-bit
D ) 132-bit

35 - How many characters can Unicode represent?

A ) 65,536 ✅
B ) 10,000
C ) 15,000
D ) 500