Encoding Schemes and Number System — Practice Quiz
CBSE · Class 11 · Computer Science
Try a 4-question quiz on Encoding Schemes and Number System for CBSE Class 11 Computer Science: tap an answer to check it and see why.
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Quick Quiz: Encoding Schemes and Number System
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What is the base of the binary number system?
What is the ASCII value of the character 'A'?
Which encoding scheme was developed specifically for Indian languages?
Convert the decimal number (13)₁₀ to binary.
Sample Questions
How many bits are required to represent one hexadecimal digit?
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4
Hexadecimal has base 16, and 16 = 2⁴. Therefore, 4 bits are required to represent one hexadecimal digit. Each group of 4 binary digits represents one hex digit.
Which of the following are characteristics of UNICODE? (Select all correct answers)
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It can represent characters from all written languages, It is a superset of ASCII, Common encodings include UTF-8, UTF-16
UNICODE can represent characters from all written languages, is a superset of ASCII (values 0-128 same as ASCII), and has common encodings like UTF-8 and UTF-16. It doesn't use only 7 bits and supports much more than English.
What is the octal equivalent of binary number (101110)₂?
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(56)₈
Group binary digits in groups of 3 from right: 101 110. Convert each group: 101₂ = 5₈, 110₂ = 6₈. Therefore, (101110)₂ = (56)₈.
The decimal number 255 is represented as FF in hexadecimal. True or False?
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True
255 ÷ 16 = 15 remainder 15. 15 ÷ 16 = 0 remainder 15. In hexadecimal, 15 is represented as F. Reading remainders from bottom to top: FF. So (255)₁₀ = (FF)₁₆.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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