ICT – Grade 08 – Lesson 01

Competency 01

Investigates how instructions and data are represented in the computer

Competency Level 1.1: Converts decimal numbers to binary numbers and vice versa

Time : 03 periods

Learning Outcomes:

  • Describes Number systems with 10 and 2 as the base
  • Converts decimal integers to binary and vice versa

Contents:

  • Introduction to Number Systems
  • Decimal and Binary Number System
  • Conversion from Decimal to Binary
  • Conversion from Binary to Decimal

Concepts and terms to be highlighted:

  • Number system
  • Binary Numbers
  • Decimal Numbers
  • Decimal number system has base 10 as it uses 10 digits from 0 to 9
  • Binary number system has base 2 as it uses 2 digits which are 0 and 1
  • Conversion of decimal and binary numbers

Guidance for lesson plans:

  • Place value of decimal numbers
  • Construct binary numbers system using above structure
  • Discuss how to convert decimal numbers to binary numbers
  • Discuss how to convert binary numbers to decimal numbers

Guidance for assessments and evaluations:

Give enough questions to get familiar with the decimal to binary and binary to decimal conversions

Competency Level 1.2: Appreciates the working logic (binary concept) in computers

Number of Periods: 02 periods

Learning Outcomes:

  • Represents positive decimal integers in binary
  • Explains the method of displaying a character (Alpha numeric symbolic)/ image on the monitor using a bitmap

Contents:

  • Method of data representation using 0 and 1
  • Binary data flow among the computer components

Concepts and terms to be highlighted:

  • Data representation
  • Binary data Flow

Guidance for lesson plans:

  • How computers see the world
  • Bits and bytes and binary
  • Representing data
  • Representing text in Computer
  • Representing images in Computer
  • Bitmaps
  • Representing colours in image
  • Representing sound in computer

Guidance for assessments and evaluations:

By using a computer as a model explain how and at which point computer will do the binary conversion of input numbers. Can do this as part of a drama, and they can show how and which data traverse through one point to another.

Lesson 01


Lesson 01

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