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Concept Maps

Number System: An Introduction — Concept Maps

ICSE · Class 7 · Computer Studies

4 concept maps of Number System: An Introduction for ICSE Class 7 Computer Studies, each also written out as a text outline.

43 questions40 flashcards7 formulas & key relations5 concepts

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4 Concept Maps

Number Systems Overview

Number Systems Overview

The map in words

  • Number Systems
    • Decimal
      • Base 10
      • Digits 0 to 9
      • Used in daily life
      • Example 3435 base 10
    • Binary
      • Base 2
      • Digits 0 and 1
      • Used in computers
      • Example 11001 base 2
      • Bit = single binary digit
      • LSB and MSB
    • Octal
      • Base 8
      • Digits 0 to 7
      • Example 3047 base 8
      • Each digit = 3 binary bits
    • Hexadecimal
      • Base 16
      • Digits 0 to 9 and A to F
      • A=10 B=11 C=12 D=13 E=14 F=15
      • Example A8B base 16
      • Each digit = 4 binary bits

Number Systems Overview - Concept Map

Number Systems Overview - Concept Map

The map in words

  • Number Systems in Computers
    • Decimal Base 10
      • Digits 0-9
      • Human-friendly
      • Daily calculations
    • Binary Base 2
      • Digits 0 and 1
      • Computer native
      • ON and OFF states
    • Octal Base 8
      • Digits 0-7
      • 3 bits = 1 digit
      • File permissions
    • Hexadecimal Base 16
      • Digits 0-9 A-F
      • 4 bits = 1 digit
      • Memory addresses
      • Color codes

Mind map showing the four main number systems and their key characteristics

Mind map showing the four main number systems and their key characteristics

The map in words

  • Number Systems
    • Decimal
      • Base 10
      • Digits 0-9
      • Daily use
    • Binary
      • Base 2
      • Digits 0-1
      • Computer language
    • Octal
      • Base 8
      • Digits 0-7
      • Shorthand form
    • Hexadecimal
      • Base 16
      • Digits 0-9 A-F
      • Programming colors

Number systems used for representing and converting numbers in computer studies

Number systems used for representing and converting numbers in computer studies

The map in words

  • Number systems used for representing and converting numbers in computer studies
    • Decimal Number System
    • Binary Number System
    • Octal Number System
    • Hexa-Decimal Number System
    • Number Conversion
    • LSB and MSB

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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.
What do the concept maps for Number System: An Introduction show?
The 4 maps show how the ideas in Number System: An Introduction connect: Number Systems Overview; Number Systems Overview - Concept Map. Each map is also written out as an outline 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 Concept Maps

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