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SCHEME OF WORK
Computer Studies
Form 2 2025
TERM III
School


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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 2
Data representation in a computer
Introduction
By the end of the lesson, the learner should be able to:

Define data and information
Classify computers according to functionality with illustration
Explaining
Demonstration
Discussions
Newspaper
Books
internet
Longhorn Secondary
Computer studies
Form 3, pages1-2
1 3
Data representation in a computer
Data representation
By the end of the lesson, the learner should be able to:

Represent data in digital circuits
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 3
1 4
Data representation in a computer
Data representation
By the end of the lesson, the learner should be able to:

Represent data on optical media
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 5-6
1 5
Data representation in a computer
Types of data representation
By the end of the lesson, the learner should be able to:

Represent data in decimal number system
Represent data in binary number system
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 6-8
2 1-2
Data representation in a computer
Types of data representation
Further conversion of numbers
By the end of the lesson, the learner should be able to:

Represent data in actual number system
Represent data in hexadecimal number system

Convert binary number to decimal number system
Convert decimal numbers to binary system
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 8-9
Longhorn Secondary
Computer studies
Form 3, pages 11-13
2 3
Data representation in a computer
Further conversion of numbers
Converting octal numbers
By the end of the lesson, the learner should be able to:

Convert binary fraction to decimal number system
Convert decimal fraction numbers to binary system
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 13-17
2 4
Data representation in a computer
Converting octal numbers
By the end of the lesson, the learner should be able to:

Convert hexadecimal numbers to decimal numbers
Convert hexadecimal numbers to binary numbers
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 20-22
2 5
Data representation in a computer
Symbolic representation using coding schemes
By the end of the lesson, the learner should be able to:

Explain the binary coded decimal code as a representation scheme
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 23
3 1
Data representation in a computer
Symbolic representation using coding schemes
By the end of the lesson, the learner should be able to:

Explain the extended binary coded decimal interchange code (EBCDIC)
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 23
3

OPENER EXAM

4 1-2
Data representation in a computer
Symbolic representation using coding schemes
Binary arithmetic operations
Binary additions
By the end of the lesson, the learner should be able to:

Explain the American Standard Code for information interchange (ASCII)


Perform seven possible binary additions
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 23
Longhorn Secondary
Computer studies
Form 3, pages 25-27
4 3
Data representation in a computer
Binary subtraction
By the end of the lesson, the learner should be able to:

Perform possible binary subtraction using direct subtraction
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 27-28
4 4
Data representation in a computer
Binary subtraction
By the end of the lesson, the learner should be able to:

Perform possible binary subtraction using one complement
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 28-29
4 5
Data representation in a computer
Data processing
Binary subtraction
Introduction
By the end of the lesson, the learner should be able to:

Perform possible binary subtraction using twos complements
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 29-30
5 1-2
Data processing
Data processing cycle
By the end of the lesson, the learner should be able to:

List stages of data processing
Describe each stage of data processing


Explain the data input
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 32-33
Longhorn Secondary
Computer studies
Form 3, pages 34
5 3
Data processing
Data processing cycle
By the end of the lesson, the learner should be able to:

Define processing
Explain the sorting of data
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 34
5 4
Data processing
Description of errors in data processing
By the end of the lesson, the learner should be able to:

Explain the errors in data processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 34-36
5 5
Data processing
Data integrity
Data processing methods
By the end of the lesson, the learner should be able to:

Explain the data integrity
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 36-37
6 1-2
Data processing
Computer files
Elements of a computer file
By the end of the lesson, the learner should be able to:

Define computer files
Give the types of computer files


List the elements of a computer
Describe the listed elements of a computer
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 39
Longhorn Secondary
Computer studies
Form 3, pages 39-40
6 3
Data processing
Classification of computer files
By the end of the lesson, the learner should be able to:

Classify computer
Differentiate between logical and physical computer files
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 40
6 4
Data processing
Types of computer files
File organization methods
By the end of the lesson, the learner should be able to:

Discuss the types of computer processing files
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 40-41
6 5
Data processing
File organization methods
By the end of the lesson, the learner should be able to:

Explain the random or direct file organization
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 42
7 1-2
Data processing
File organization methods
Electronic data processing modes
By the end of the lesson, the learner should be able to:

Explain the serial file organization


Describe electronic modes for electronic data processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 43
Longhorn Secondary
Computer studies
Form 3, pages 43-44
7 3
Data processing
Electronic data processing modes
By the end of the lesson, the learner should be able to:

Describe time-sharing, batch processing, multiprocessing and multiprogramming
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 44-45
7 4
Elementary programming principles
Introduction
By the end of the lesson, the learner should be able to:

Define programming
Describe the terms used in programming
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 47-49
7 5
Elementary programming principles
Levels of programming
By the end of the lesson, the learner should be able to:

Describe low-level languages
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 49-51
8 1-2
Elementary programming principles
Levels of programming
Program development
By the end of the lesson, the learner should be able to:

Describe high-level languages


Discuss the stages of program development
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 51-61
Longhorn Secondary
Computer studies
Form 3, pages 62-65
8 3
Elementary programming principles
Program development
Program documentation
By the end of the lesson, the learner should be able to:

Discuss the program coding
Explain how to test and debug a program
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Newspaper
Longhorn Secondary
Computer studies
Form 3, pages 65-68
8 4
Elementary programming principles
Development of algorithms
By the end of the lesson, the learner should be able to:

Explain the guidelines for designing a good pseudocode
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 69-70
8 5
Elementary programming principles
Program flowcharts
By the end of the lesson, the learner should be able to:

Discuss the guidelines for drawing a flowchart
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 71-73
9 1-2
Elementary programming principles
Program control structures
By the end of the lesson, the learner should be able to:

Discuss the control structures

Discuss the sequence and selection of pseudocode
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 74-75
Longhorn Secondary
Computer studies
Form 3, pages 74-78
9 3
Elementary programming principles
Designing more complex algorithms
By the end of the lesson, the learner should be able to:

Design more complex algorithms
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 83-86
9 4
Elementary programming principles
Designing more complex algorithms
By the end of the lesson, the learner should be able to:

Use pseudocode to solve problems
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 86-89
10

END TERM 3 EXAM


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