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2. How many bits are there in 1 word?
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3. What do you mean by base in a number system?
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E. Long answer type questions.
1. What is number system? Explain.
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2. What are the rules to convert a decimal number into a binary number?
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3. Write the rules to subtract two binary numbers.
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Mind Boggler
21 st
Century #Technology Literacy
A. Competency-based/Application-based questions. Skills
1. Prashant noticed the given numbers while working, (256) and (2AF) . Which number
8 16
system do they belong to? How can he tell?
2. Yash and Eklavya measured their height and were trying to find the difference in
binary numbers. If the difference is 155 millimeters, what will be its binary conversion?
B. Solve the crossword by filling it with equivalent decimal numbers or binary numbers.
Down 1 21 st
Century #Critical Thinking
1. (10101) 3 Skills
2
2 1 1
3. (1111011)
2
5
5. (361)
10
4 3 1
7. (6)
10
7
Across
6 1
2. (101)
10 8 1 1
4. (100101101)
2
6. (1100) 9
2
8. (165)
10
9. (1010001) 10 0
2
10. (1101010)
2
16 Plus (Ver. 3.2)-VII

