Practice Numbers - 1 | 1. Numbers | ICSE 11 Computer Applications
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Numbers

1 - Numbers

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the decimal representation of binary 1010?

💡 Hint: Think about powers of 2.

Question 2 Easy

Convert octal 57 to decimal.

💡 Hint: Use powers of 8.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the base of the binary number system?

2
8
10
16

💡 Hint: Think about how many digits are used.

Question 2

True or False: The hexadecimal system uses digits only.

True
False

💡 Hint: Recall the symbols used.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a computer uses a binary number system, what are the bits required to represent the decimal number 255?

💡 Hint: Consider the powers of 2.

Challenge 2 Hard

Convert the hexadecimal value 'A5' to decimal and octal.

💡 Hint: Remember to expand using powers of 16 and then convert.

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Reference links

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