Practice Introduction to Numbers - 1.1 | 1. Numbers | ICSE 11 Computer Applications
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Introduction to Numbers

1.1 - Introduction to Numbers

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the decimal number system?

💡 Hint: Think about how you count in everyday life.

Question 2 Easy

What symbols are used in the binary system?

💡 Hint: Think of the two states of a switch.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What base does the binary system use?

Base 4
Base 2
Base 10

💡 Hint: Think about how many states a computer can recognize.

Question 2

True or False: The decimal number system uses digits 0-9.

True
False

💡 Hint: Consider how you count items in your daily life.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the binary sequence 101001, convert it to decimal.

💡 Hint: Expand using the power of each position!

Challenge 2 Hard

Convert the decimal number 198 to binary.

💡 Hint: Use successive division by 2, tracking remainders!

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.