Practice Octal Number System - 1.3 | 1. Numbers | ICSE 11 Computer Applications
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Octal Number System

1.3 - Octal Number System

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Convert the octal number 127₈ to decimal.

💡 Hint: Multiply each digit by its corresponding power of 8.

Question 2 Easy

What does the octal digit '3' represent in binary?

💡 Hint: Convert '3' to binary using the 2’s place values: 0,1,1.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the base of the octal number system?

6
7
8
10

💡 Hint: Remember that the name 'octal' means 8.

Question 2

True or False: Each octal digit represents three binary digits.

True
False

💡 Hint: You can visualize it by thinking of binary groups.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Convert the octal number 537₈ to decimal, and explain each step taken.

💡 Hint: For each digit, remember the power of eight based on position.

Challenge 2 Hard

You have a decimal number 150. Convert it to octal and show your calculation process.

💡 Hint: Don't forget to track those remainders accurately during division!

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