Chapter 3 Data Communication Computer Science 11th Class Punjab MCQ Tests
11th Class Computer Science Chapter 3 MCQ Tests
Chapter 3 of 11th 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
Write BCD code for a decimal number 65.
Question # 2
Mention the meaning of 1 inside computer.
Question # 3
Suggest number of bits used to represent BCD.
Question # 4
Recognize full duplex mode in given examples.
Question # 5
The decimal representation for the character ! in ASCII is:
Question # 6
Write ASCII value of the word "Hi" if capital "A" has ASCII value 65 and small "a" has 97.
Question # 7
Name the data type of -4, 0, +56, 89?
Question # 8
How many maximum characters can be represented using sixteen bit Unicode coding scheme?
Question # 9
Broad Band does not require modulation and works on original frequency.
Question # 10
Recognize Float data in given options.
Question # 11
Mention maximum characters that can be represented using seven bit ASCII coding scheme.
Question # 12
How many bits are used to represent ASCII code in binary?
Question # 13
Mention an example of asynchronous transmission.
Question # 14
Name the data transmission mode in system buses sending data from memory to CPU and back to memory but one at a time.
Question # 15
How many bits are used to represent Unicode code in binary?
Question # 16
Suggest the technology that was used for transfer of data with high speed.
Question # 17
Identify the data transmission mode when a keyboard sends data to memory.
Question # 18
Write full form of ASCII.
Question # 19
Give a reason why a synchronous mode does not require a clock signal.
Question # 20
Which guided communication medium is used in external modem?
Total Questions
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Question # 1
Write BCD code for a decimal number 65.
Question # 2
Mention the meaning of 1 inside computer.
Question # 3
Suggest number of bits used to represent BCD.
Question # 4
Recognize full duplex mode in given examples.
Question # 5
The decimal representation for the character ! in ASCII is:
Question # 6
Write ASCII value of the word "Hi" if capital "A" has ASCII value 65 and small "a" has 97.
Question # 7
Name the data type of -4, 0, +56, 89?
Question # 8
How many maximum characters can be represented using sixteen bit Unicode coding scheme?
Question # 9
Broad Band does not require modulation and works on original frequency.
Question # 10
Recognize Float data in given options.
Question # 11
Mention maximum characters that can be represented using seven bit ASCII coding scheme.
Question # 12
How many bits are used to represent ASCII code in binary?
Question # 13
Mention an example of asynchronous transmission.
Question # 14
Name the data transmission mode in system buses sending data from memory to CPU and back to memory but one at a time.
Question # 15
How many bits are used to represent Unicode code in binary?
Question # 16
Suggest the technology that was used for transfer of data with high speed.
Question # 17
Identify the data transmission mode when a keyboard sends data to memory.
Question # 18
Write full form of ASCII.
Question # 19
Give a reason why a synchronous mode does not require a clock signal.
Question # 20
Which guided communication medium is used in external modem?
Total Questions
1234567891011121314151617181920
Computer Science MCQ Test by Topics
- +3.1 Overview
- +3.2 Components of Data Communication
- +3.3 Signals
- +3.4 Types of Data
- +3.5 Encoding of Data
- +3.6 Modes of Data Communication
- +3.7 Types of Data Transmission
- +3.8 Modem
Computer Science
11th Class Online Classes 2026
Updated on: 21-05-2026
11th Class Online Preparation
11th Class 2026 Online
11th Class 2026
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