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SCHEME OF WORK
Computer Studies
Form 3 2024
TERM I
School


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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

OPENING OF SCHOOL

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 magnetic media
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 3-4
2 1
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
2 2
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
2 3
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 4
Data representation in a computer
Types of data representation
By the end of the lesson, the learner should be able to:

Represent data in actual number system
Represent data in hexadecimal number system
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 8-9
3 1
Data representation in a computer
Further conversion of numbers
By the end of the lesson, the learner should be able to:

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 11-13
3

SERIES II EXAMS

4 1
Data representation in a computer
Further conversion of 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
4 2
Data representation in a computer
Converting octal numbers
By the end of the lesson, the learner should be able to:

Convert octal numbers to decimal numbers
Convert octal numbers to binary numbers
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 17-19
4 3
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
4 4
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
5 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
5 1-2
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
5

ACADEMIC DAY

5 4
Data representation in a computer
Symbolic representation using coding schemes
By the end of the lesson, the learner should be able to:

Explain the American Standard Code for information interchange (ASCII)
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 23
6 1
Data representation in a computer
Binary arithmetic operations
By the end of the lesson, the learner should be able to:

Represent signed binary numbers using prefixing an extra sign bit to a binary number and ones complement
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 23-25
6 2
Data representation in a computer
Binary additions
By the end of the lesson, the learner should be able to:

Perform seven possible binary additions
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 25-27
6 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
6 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
7 1
Data representation in a computer
Binary subtraction
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
7 2
Data representation in a computer
Binary subtraction
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
7 3
Data processing
Introduction
By the end of the lesson, the learner should be able to:

Define data information and data processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 32
7 4
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
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 32-33
8

SERIES III EXAMS

8

HALF TERM BREAK

9 1
Data processing
Data processing cycle
By the end of the lesson, the learner should be able to:

Explain the data input
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 34
9 2
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
9 3
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
9 4
Data processing
Data integrity
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
10 1
Data processing
Data processing methods
By the end of the lesson, the learner should be able to:

List and describe the methods of data processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 37-39
10 2
Data processing
Data processing methods
By the end of the lesson, the learner should be able to:

List and describe the methods of data processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 37-39
10 3
Data processing
Computer files
By the end of the lesson, the learner should be able to:

Define computer files
Give the types of computer files
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 39
10 4
Data processing
Elements of a computer file
By the end of the lesson, the learner should be able to:

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 39-40
11 1
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
11 2
Data processing
Types of computer files
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
11 3
Data processing
File organization methods
By the end of the lesson, the learner should be able to:

Discuss the file organization methods
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 41-42
11 4
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
12 1
Data processing
File organization methods
By the end of the lesson, the learner should be able to:

Explain the serial file organization
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 43
12 2
Data processing
File organization methods
By the end of the lesson, the learner should be able to:

Explain the serial file organization
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 43
12 3
Data processing
Electronic data processing modes
By the end of the lesson, the learner should be able to:

Describe electronic modes for electronic data processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 43-44
12 4
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
13 1
Data processing
Electronic data processing modes
By the end of the lesson, the learner should be able to:

Explain advantages of electronic processing
Explain disadvantages of electronic processing
Explaining
Demonstration
Discussions
Newspaper
Books
Internet
Longhorn Secondary
Computer studies
Form 3, pages 45-46
13

SERIES 1 EXAM

14

CLOSING OF SCHOOL


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