PPSC Computer Science Topic 12 MCQ's Test Preparation

Punjab Public Service Commission, PPSC takes the responsibility of hiring suitable as well as professional candidates for many government agencies of Punjab. To keep the working standard of the government agencies maintained, PPSC arranges, somehow, a strict and tough paper. This also helps to evaluate the caliber of the candidates. For almost all the vacant positions, the separate tests are organized by the PPSC. For the services of the students, the team of Ilmkidunya arranges the sample PPSC computer science test. Students can attempt this test easily by clicking on the start button.

PPSC Computer Science Topic 12 Syllabus

We have prepared a section with Topic-wise tests for the students of computer science subjects. Students are provided the complete idea of each Topic that what syllabus is comprised of every single Topic. PPSC Computer Science Chapter 12 Syllabus is comprised of computer networking. The chapter provides general knowledge regarding electronic data, communication, common equipment, industry terminology, and standard hardware and software requirements, etc.

MCQ's Test For PPSC Computer Science Topic 12 Computer Networking

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PPSC Computer Science Topic 12 Computer Networking

00:00
Question # 1

Avalanche photodiode receivers can detect bits of transmitted data by receiving.

Question # 2

Which of the following might be used by a company to satisfy its growing communications needs.

Question # 3

Layer one of the OSI model is

Question # 4

A data terminal serves as an

Question # 5

While transmitting odd panty coded symbols the number of zeros in each symbol is.

Question # 6

Which of the following is considered a broad band communication channel.

Question # 7

A protocol is a set of rules governing a time sequence of events that must take place.

Question # 8

Which of the following performs modulation and demodulation?

Question # 9

Which of the following does ot allow multiple uses or devices to share one communication line.

Question # 10

Which of the following is an advantage to using fiber optics data transmission.

Question # 11

A examples of medium speed switched communications service is

Question # 12

Number of bits per symbol used in biodot code is.

Question # 13

Which of the following transmission system provide the highest data rate to in individual device.

Question # 14

The X.25 standard specifies a

Question # 15

In communication satellite multiple repeaters are known as

Question # 16

The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as.

Question # 17

Which of the following signal is not standard RS-232 -C signal

Question # 18

Which of the following communication modes support two way traffic but in only one direction at a time.

Question # 19

What is the main difference between DDCMP and SDLC.

Question # 20

The receive equalizer reduces delay distortions using a

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PPSC ComputerScience Chapter 12 Important MCQ's

Sr.# Question Answer
1 What is the number of separate protocol layers at the steric interface gateway specified by the X.25 standard.
A. 2
B. 3
C. 4
D. 6
2 Which of the following is not a transmission medium.
A. Telephone lines
B. Coaxial cables
C. Modem
D. Micro wave systems
3 In OSI network architecture the routing is performed by
A. Network layer
B. Data link layer
C. Transport layer
D. Session layer
4 Which of the following is an advantage to using fiber optics data transmission.
A. Resistance to data theft
B. Fast data transmission rate
C. Low noise level
D. All of above
5 Which of the following signal is not standard RS-232 -C signal
A. VDR
B. RTS
C. CTS
D. DSR
6 The transmission signal coding method of TI carrier is called.
A. Bipolar
B. NRZ
C. Manchester
D. Binary
7 What is the main difference between DDCMP and SDLC.
A. DDCMP does not need spectral hardware to final the beginning of a message
B. DDCMP has a message header
C. SDLC has a IP address
D. SDLC does not use CRC
8 Which of the following performs modulation and demodulation?
A. Fiber optics
B. Satellite
C. Coaxial cable
D. Modern
9 The channel in the data communication model can be.
A. Postal mail services
B. Telephone lines
C. radio lines
D. Any of the above
10 the loss in signal power as light travels donw the fiber is called.
A. Attenuation
B. Progragation
C. scathering
D. Interruption

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