Question 1

Two computers connected by an Ethernet hub are of

Accepted Answer

A) lan topology. 
B) man topology. 
C) wan topology. 
D) intranet. 
A) lan topology. 
B) man topology. 
C) wan topology. 
D) intranet. A

Question 2

AM stations are allowed carrier frequencies anywhere between

Accepted Answer

A) 5-10khz. 
B) 50-100khz. 
C) 250-1000khz. 
D) 530- 1700 khz. 
A) 5-10khz. 
B) 50-100khz. 
C) 250-1000khz. 
D) 530- 1700 khz. D

Question 3

Divisor line and XOR are missing if corresponding bit in divisor is

Accepted Answer

A) 0. 
B) 1. 
C) 10. 
D) 11. 
A) 0. 
B) 1. 
C) 10. 
D) 11. A

Question 4

The Term that refers to phase continues through boundary of two signal elements is

Accepted Answer

A) non coherent bfsk. 
B) coherent bfsk. 
C) binary ask. 
D) multilevel ask. 
A) non coherent bfsk. 
B) coherent bfsk. 
C) binary ask. 
D) multilevel ask.

Question 5

How many bits in data unit has changed in single bit error

Accepted Answer

A) only 1. 
B) two bits. 
C) three bits. 
D) four bits. 
A) only 1. 
B) two bits. 
C) three bits. 
D) four bits.

Question 6

Unsigned representation of numbers by one's complement can represent

Accepted Answer

A) positive number. 
B) negative number. 
C) positive and negative numbers. 
D) infinite numbers. 
A) positive number. 
B) negative number. 
C) positive and negative numbers. 
D) infinite numbers.

Question 7

The Parameter that refers to recording and broadcasting of picture is

Accepted Answer

A) text. 
B) audio. 
C) image. 
D) video. 
A) text. 
B) audio. 
C) image. 
D) video.

Question 8

The mode that is like a two way street with traffic flowing in both direction simultaneously is

Accepted Answer

A) simplex. 
B) full duplex. 
C) half duplex. 
D) none of above. 
A) simplex. 
B) full duplex. 
C) half duplex. 
D) none of above.

Question 9

Term that is used to compose matrix of pixel is

Accepted Answer

A) number. 
B) image. 
C) video. 
D) audio. 
A) number. 
B) image. 
C) video. 
D) audio.

Question 10

The Example of an analog to analog conversion is

Accepted Answer

A) radio. 
B) video. 
C) television. 
D) internet. 
A) radio. 
B) video. 
C) television. 
D) internet.

Question 11

To guarantee detection of up to s errors in all cases, minimum hamming distance in a block code must be

Accepted Answer

A) s. 
B) s+1. 
C) s-1. 
D)  0. 
A) s. 
B) s+1. 
C) s-1. 
D)  0.

Question 12

In a cyclic code, decoder is failed to detect any error, when syndrome is

Accepted Answer

A) zero. 
B) non zero. 
C) infinity. 
D) negative value. 
A) zero. 
B) non zero. 
C) infinity. 
D) negative value.

Question 13

In block coding, we divide our message into blocks, is called

Accepted Answer

A) code blocks. 
B) packet blocks. 
C) code words. 
D) datawords. 
A) code blocks. 
B) packet blocks. 
C) code words. 
D) datawords.

Question 14

Analog-to-analog conversion can be accomplished in

Accepted Answer

A) one way. 
B) three ways. 
C) two ways. 
D) four ways. 
A) one way. 
B) three ways. 
C) two ways. 
D) four ways.

Question 15

When the system delivers data accurately then it is called

Accepted Answer

A) accuracy. 
B) delivery. 
C) jitter. 
D) timelessness. 
A) accuracy. 
B) delivery. 
C) jitter. 
D) timelessness.

Question 16

Find parity bit for 1001011

Accepted Answer

A) 0. 
B) 1. 
C) 2. 
D) none. 
A) 0. 
B) 1. 
C) 2. 
D) none.

Question 17

The Cyclic codes are fast when these are implemented in

Accepted Answer

A) software. 
B) hardware. 
C) local area network. 
D)  Both a and b 
A) software. 
B) hardware. 
C) local area network. 
D)  Both a and b

Question 18

In a constellation diagram, a signal element type is represented as a

Accepted Answer

A) dot. 
B) line. 
C) x component. 
D) y component. 
A) dot. 
B) line. 
C) x component. 
D) y component.

Question 19

Both station can transmit and receive data simultaneously in

Accepted Answer

A) simplex mode. 
B) half duplex mode. 
C) full duplex mode. 
D) none of above. 
A) simplex mode. 
B) half duplex mode. 
C) full duplex mode. 
D) none of above.

Question 20

Each set of bit pattern is called

Accepted Answer

A) code. 
B) unicode. 
C) coding. 
D) ascii. 
A) code. 
B) unicode. 
C) coding. 
D) ascii.

Two computers connected by an Ethernet hub are of

AM stations are allowed carrier frequencies anywhere between

Divisor line and XOR are missing if corresponding bit in divisor is

The Term that refers to phase continues through boundary of two signal elements is

How many bits in data unit has changed in single bit error

Unsigned representation of numbers by one's complement can represent

The Parameter that refers to recording and broadcasting of picture is

The mode that is like a two way street with traffic flowing in both direction simultaneously is

Term that is used to compose matrix of pixel is

The Example of an analog to analog conversion is

To guarantee detection of up to s errors in all cases, minimum hamming distance in a block code must be

In a cyclic code, decoder is failed to detect any error, when syndrome is

In block coding, we divide our message into blocks, is called

Analog-to-analog conversion can be accomplished in

When the system delivers data accurately then it is called

Find parity bit for 1001011

The Cyclic codes are fast when these are implemented in

In a constellation diagram, a signal element type is represented as a

Both station can transmit and receive data simultaneously in

Each set of bit pattern is called

Audio and Video Compression, Streaming, and Real-Time Communication Protocols

Understanding the Fundamentals of Voice and Video Communication Technologies

Network Switching and Routing: Understanding the Basics of Circuit-Switched and Packet-Switched Networks

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Exam 3: Data Communication and Signal Processing

Two computers connected by an Ethernet hub are of

AM stations are allowed carrier frequencies anywhere between

Divisor line and XOR are missing if corresponding bit in divisor is

The Term that refers to phase continues through boundary of two signal elements is

How many bits in data unit has changed in single bit error

Unsigned representation of numbers by one's complement can represent

The Parameter that refers to recording and broadcasting of picture is

The mode that is like a two way street with traffic flowing in both direction simultaneously is

Term that is used to compose matrix of pixel is

The Example of an analog to analog conversion is

To guarantee detection of up to s errors in all cases, minimum hamming distance in a block code must be

In a cyclic code, decoder is failed to detect any error, when syndrome is

In block coding, we divide our message into blocks, is called

Analog-to-analog conversion can be accomplished in

When the system delivers data accurately then it is called

Find parity bit for 1001011

The Cyclic codes are fast when these are implemented in

In a constellation diagram, a signal element type is represented as a

Both station can transmit and receive data simultaneously in

Each set of bit pattern is called

Audio and Video Compression, Streaming, and Real-Time Communication Protocols

Understanding the Fundamentals of Voice and Video Communication Technologies

Network Switching and Routing: Understanding the Basics of Circuit-Switched and Packet-Switched Networks

Filters