Encoding Schemes and Number System
Tripura Board · Class 11 · Computer Science
Most important questions from Encoding Schemes and Number System for Tripura Board Class 11 Computer Science board exam 2026. MCQs, short answer, and long answer questions with marks.
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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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