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90+ Multimedia Technology Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Information Technology TY (BSc IT) , Bachelor of Computer Applications (BCA) , Bachelor of Science in Information Technology (BSc IT) .

51.

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

A. dot.
B. line.
C. x component.
D. y component.
Answer» A. dot.
52.

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

A. non coherent bfsk.
B. coherent bfsk.
C. binary ask.
D. multilevel ask.
Answer» B. coherent bfsk.
53.

Example of an analog to analog conversion is

A. radio.
B. video.
C. television.
D. internet.
Answer» A. radio.
54.

Total bandwidth required for Amplitude Modulation (AM) is

A. 2
B. 2(1 + ? )b..
C. 2l.
D. 2f.
Answer» A. 2
55.

AM stations are allowed carrier frequencies anywhere between

A. 5-10khz.
B. 50-100khz.
C. 250-1000khz.
D. 530- 1700 khz.
Answer» D. 530- 1700 khz.
56.

Analog-to-analog conversion can be accomplished in

A. one way.
B. three ways.
C. two ways.
D. four ways.
Answer» B. three ways.
57.

Term that is used to compose matrix of pixel is

A. number.
B. image.
C. video.
D. audio.
Answer» B. image.
58.

Parameter that refers to recording and broadcasting of picture is

A. text.
B. audio.
C. image.
D. video.
Answer» D. video.
59.

Both station can transmit and receive data simultaneously in

A. simplex mode.
B. half duplex mode.
C. full duplex mode.
D. none of above.
Answer» C. full duplex mode.
60.

Each set of bit pattern is called

A. code.
B. unicode.
C. coding.
D. ascii.
Answer» A. code.
61.

Data communications are transfer of data through some

A. transmission medium.
B. linear medium.
C. network lan.
D. protocols.
Answer» A. transmission medium.
62.

When system delivers data accurately then it is called

A. accuracy.
B. delivery.
C. jitter.
D. timelessness.
Answer» B. delivery.
63.

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

A. simplex.
B. full duplex.
C. half duplex.
D. none of above.
Answer» B. full duplex.
64.

Agreement between communicating devices are called

A. none of the mentioned
B. message.
C. protocol.
D. transmission medium.
Answer» C. protocol.
65.

Five components that make up a data communications system are message, sender, receiver, and

A. protocol.
B. medium.
C. connecting device.
D. both a and b.
Answer» D. both a and b.
66.

Two computers connected by an Ethernet hub are of

A. lan topology.
B. man topology.
C. wan topology.
D. intranet.
Answer» A. lan topology.
67.

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

A. only 1.
B. two bits.
C. three bits.
D. four bits.
Answer» A. only 1.
68.

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

A. s.
B. s+1.
C. s-1.
D. 0.
Answer» B. s+1.
69.

Cyclic codes are fast when these are implemented in

A. software.
B. hardware.
C. local area network.
D. wide area network.
Answer» B. hardware.
70.

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

A. code blocks.
B. packet blocks.
C. code words.
D. datawords.
Answer» D. datawords.
71.

Find parity bit for 1001011

A. 0.
B. 1.
C. 2.
D. none.
Answer» A. 0.
72.

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

A. zero.
B. non zero.
C. infinity.
D. negative value.
Answer» A. zero.
73.

What is maximum effect of a 2-ms burst of noise on data transmitted for 12 kbps

A. 2 bits.
B. 4 bits.
C. 16 bits.
D. 24 bits.
Answer» D. 24 bits.
74.

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

A. 0.
B. 1.
C. 10.
D. 11.
Answer» A. 0.
75.

Unsigned representation of numbers by one's complement can represent

A. positive number.
B. negative number.
C. positive and negative numbers.
D. infinite numbers.
Answer» C. positive and negative numbers.
76.

Checksum is used in Internet by several protocols although not at the

A. session layer.
B. transport layer.
C. network layer.
D. data link layer.
Answer» D. data link layer.
77.

Switching in Internets done by using datagram approach to packet switching at the

A. network layer.
B. application layer.
C. data link layer.
D. physical layer..
Answer» A. network layer.
78.

A Circuit-Switched Network is made of a set of switches connected by physical

A. links.
B. media.
C. nodes.
D. frames.
Answer» A. links.
79.

Iog28 =

A. 0.
B. 1.
C. 2.
D. 3.
Answer» D. 3.
80.

A switch in a datagram network uses a

A. destination address.
B. sender address.
C. routing table.
D. header.
Answer» C. routing table.
81.

Routing processor searches routing table is called

A. switch fabric.
B. buffer.
C. table lookup.
D. rolling table.
Answer» C. table lookup.
82.

A Virtual-Circuit Network (VCN) is normally implemented in the

A. session layer.
B. data link layer.
C. network layer.
D. physical layer.
Answer» B. data link layer.
83.

Which frame completes entries in switching tables

A. acknowledgment frame.
B. setup frame.
C. routing frame.
D. none.
Answer» A. acknowledgment frame.
84.

Virtual-Circuit Networks and datagram networks are sub categories of

A. message-switched networks.
B. packet-switched networks.
C. circuit-switched networks.
D. none of them.
Answer» B. packet-switched networks.
85.

Actual communication in a circuit-switched network requires

A. one phase.
B. two phases.
C. three phases.
D. four phases.
Answer» C. three phases.
86.

In a packet-switched network, resources are allocated

A. randomly.
B. on demand.
C. reserved already.
D. both a and c.
Answer» B. on demand.
87.

In Circuit Switching, resources need to be reserved during the

A. data transfer phase.
B. teardown phase..
C. setup phase.
D. propagation phase.
Answer» C. setup phase.
88.

Circuit Switched Networks are used in

A. cellular network.
B. satellite network.
C. cable network.
D. telephone network.
Answer» D. telephone network.
89.

Term that performs physical and data link functions of packet switch is called

A. input port.
B. output port.
C. routing processor.
D. switching fabric.
Answer» A. input port.
90.

Circuit-Switched Networks are not as efficient as other two types of networks because resources are unavailable to

A. other connections.
B. same connections.
C. other switches.
D. other networks.
Answer» A. other connections.
91.

Asynchronous Transfer Mode (ATM) network is an example of

A. packet switching network.
B. datagram networks.
C. virtual circuit network.
D. message switched network.
Answer» C. virtual circuit network.
92.

Three methods of switching are

A. circuit switching, packet switching, and protocol switching.
B. circuit switching, packet switching, and message switching.
C. loop switching, packet switching, and message switching.
D. node switching, packet switching, and message switching.
Answer» B. circuit switching, packet switching, and message switching.
93.

A circuit-switched network is made of switches connected by physical links, in which each link is divided into

A. n channels.
B. n+1 channels.
C. 2n channels.
D. n-1 channels.
Answer» A. n channels.
94.

A switched network consists of a series of interlinked nodes is called

A. frames.
B. packets.
C. switches.
D. links.
Answer» C. switches.

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