Chapter 4 Data Communication Computer Science 9th Class Balochistan MCQ Tests
9th Class Computer Science Chapter 4 MCQ Tests
Chapter 4 of 9th Class Computer Science has 20 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 20
Total Marks: 20
Time: 20 Mins
Total Questions: 20
Total Marks: 20
Time: 20 Mins
20Min : 00 Sec Remaining
Question # 1
State the right example of synchronous transmission.
Question # 2
Name the technology that uses analog signals.
Question # 3
Name the media that carries data in optical fibers.
Question # 4
Identify the technology that was used for Text Messaging in Cell Phones.
Question # 5
Recognize characteristic of synchronous transmission.
Question # 6
Recognize the technology that was used for Multimedia Messaging.
Question # 7
Suggest the components of a frame.
Question # 8
Recognize the short distance technology whose signals can pass through walls.
Question # 9
Name the process of transfer of message to right destination.
Question # 10
Suggest the type of service a modem and a phone line provides.
Question # 11
State how is external electro magnetic interference avoided while using coaxial cable.
Question # 12
State what is the role of router in data communication.
Question # 13
Name the transfer of data in which neither contents are changed nor format of data.
Question # 14
Switch is only associated with wired network.
Question # 15
Describe the calculation of baud rate.
Question # 16
Mention the speed of Dial-up Modem.
Question # 17
Write a reason why twisted pair cables are twisted?
Question # 18
The closer the wires are the more likely crosstalk is to occur.
Question # 19
Identify correct analog signal.
Question # 20
Suggest the baud rate of 1000 symbols where each symbol is made up of 2 bits.
Total Questions
1234567891011121314151617181920
Question # 1
State the right example of synchronous transmission.
Question # 2
Name the technology that uses analog signals.
Question # 3
Name the media that carries data in optical fibers.
Question # 4
Identify the technology that was used for Text Messaging in Cell Phones.
Question # 5
Recognize characteristic of synchronous transmission.
Question # 6
Recognize the technology that was used for Multimedia Messaging.
Question # 7
Suggest the components of a frame.
Question # 8
Recognize the short distance technology whose signals can pass through walls.
Question # 9
Name the process of transfer of message to right destination.
Question # 10
Suggest the type of service a modem and a phone line provides.
Question # 11
State how is external electro magnetic interference avoided while using coaxial cable.
Question # 12
State what is the role of router in data communication.
Question # 13
Name the transfer of data in which neither contents are changed nor format of data.
Question # 14
Switch is only associated with wired network.
Question # 15
Describe the calculation of baud rate.
Question # 16
Mention the speed of Dial-up Modem.
Question # 17
Write a reason why twisted pair cables are twisted?
Question # 18
The closer the wires are the more likely crosstalk is to occur.
Question # 19
Identify correct analog signal.
Question # 20
Suggest the baud rate of 1000 symbols where each symbol is made up of 2 bits.
Total Questions
1234567891011121314151617181920
Computer Science
9th Class Balochistan MCQ Tests
9th Class Online Classes 2026
Updated on: 17-10-2026
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9th Class 2026 Online
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