Skip to main content
Super TutorResources
Chapter 2 of 8
Flashcards

Number System: An Introduction — Flashcards

ICSE · Class 7 · Computer Studies

40 flashcards for Number System: An Introduction (ICSE Class 7 Computer Studies) to test yourself on key terms and facts.

43 questions40 flashcards7 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Number System: An Introduction? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for flashcards and more.

Try Super Tutor — Free

Free trial, no card needed.

40 Flashcards·
Overview of number systemsDecimal number systemDecimal place valueBinary number systemDecimal to binary conversionBinary conversion terms
Card 1Overview of number systems

What number systems are generally used in a computer system?

Answer

A computer system generally deals with four number systems: decimal, binary, octal, and hexadecimal.

Card 2Decimal number system

What is the decimal number system?

Answer

A decimal number system uses all the digits from 0 to 9. It is a base-10 system and is the number system used by humans for most mathematics.

Card 3Decimal number system

Why is the decimal number system called a base-10 system?

Answer

It is called a base-10 system because it uses 10 different digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Card 4Decimal place value

What does the notation (3435)10 show?

Answer

It shows a decimal number written in base 10. The digits have place values: thousand's digit, hundred's digit, ten's digit, and unit's digit.

Card 5Binary number system

What is the binary number system?

Answer

Binary number system deals only with 0s and 1s. It is a base-2 system and is used internally by computers to represent and process operations.

Card 6Binary number system

Why is binary important for computers?

Answer

Binary is important because computers understand only two states: 0 and 1. These can also represent off and on, or no and yes.

Card 7Decimal to binary conversion

How is a decimal number converted to a binary number?

Answer

Divide the decimal number repeatedly by 2 until the quotient becomes 0. Then arrange the remainders from LSB to MSB to get the binary number.

Card 8Binary conversion terms

What do LSB and MSB mean in conversion to binary?

Answer

LSB means Least Significant Bit, which is the first remainder obtained. MSB means Most Significant Bit, which is the last remainder obtained. The final binary answer is written from MSB to LSB.

+32 more flashcards

Practise All

Frequently Asked Questions

What are the important topics in Number System: An Introduction for ICSE Class 7 Computer Studies?
Key topics in Number System: An Introduction include Decimal Number System, Binary Number System, Octal Number System, Hexa-Decimal Number System. Study these first, then practise questions on each for Class 7 exams.
How many flashcards are available for Number System: An Introduction?
There are 40 flashcards for Number System: An Introduction covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Number System: An Introduction for Class 7 exams?
Learn the core ideas first, then work through the 43 practice questions on Number System: An Introduction. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Number System: An Introduction

All ICSE Class 7 Computer Studies Flashcards

For serious students

Get the full Number System: An Introduction chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 7 Computer Studies. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free