Classification of Computer by Size Primary 5 (Basic 5) – Computer Studies
COMPUTER STUDIES
BASIC SCIENCE AND TECHNOLOGY
SECOND TERM
WEEK 5
PRIMARY 5
THEME – BASIC COMPUTER OPERATION
PREVIOUS LESSON – Classes of Computer Primary 5 (Basic 5) – Computer Studies
TOPIC: CLASSIFICATION OF COMPUTER BY SIZE
LEARNING AREA
1. Introductory Activities
2. Classification of Computer by Size
3. Lesson Evaluation and Weekly Assessment (Test)
PERFORMANCE OBJECTIVES
By the end of the lesson, most of the pupils should have attained the following objectives –
1. Identify computer by size.
2. Mention different sizes of computer.
INSTRUCTIONAL MATERIALS
The teacher will teach the lesson with the aid of –
Chart shows computers by size.
Sizes computer system
METHOD OF TEACHING
Choose a suitable and appropriate methods for the lessons.
Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.
REFERENCE MATERIALS
Scheme of Work
9 – Years Basic Education Curriculum
Course Book
All Relevant Material
Online Information
CONTENT OF THE LESSON
LESSON 1 – INTRODUCTION
Computer are classified according to size and capacity, the following types of computers can be identified as follows –
SUPERCOMPUTERS
Supercomputers are the most biggest and powerful computer by size.
They are used by big organizations, government agencies and universities that can afford it.
MAINFRAME COMPUTERS
Mainframe computers are second largest and powerful computer by size.
They are used by government agencies such as the Internal Revenue Service, Electoral Commission and Census commission, vote computations, individual tax records, payroll, etc.
Small and large retail companies use mainframes to register sales, update stock and manage inventory levels.
LESSON 2 – MINICOMPUTERS
Minicomputer are smaller than mainframes and are also less expensive.
They are also used by hospitals as well as in school computer laboratories.
MICROCOMPUTERS
Microcomputers are the most frequently used type of computer.
Also, known as Personal Computer (PC). Desktop computers and portable computers are good examples of microcomputer.
EMBEDDED COMPUTERS
Embedded computer are most frequently used household appliances and electronic devices.
Dishwashers, microwaves, washing machines, watches, answering machines, sewing machines, DVD players, television sets, pen, necklace and watch recorders are designed in order to perform designated tasks.
PRESENTATION
To deliver the lesson, the teacher adopts the following steps:
1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;
2. Shows the pupils, different sizes of computer.
Pupil’s Activities – Look and identify some of the computer.
3. Introduces other computer that they unable to identify accordingly.
Pupil’s Activities – Listen to the teacher’s explanation.
4. Discusses with them different computer by sizes.
Pupil’s Activities – Participate in discussion based on their understanding.
CONCLUSION
To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.
NEXT LESSON
Classification of Computer by Generation Primary 5 (Basic 5) – Computer Studies
LESSON EVALUATION/WEEKLY ASSESSMENT
Ask pupils to attempt the following questions –
1. ________ is the personal computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
2. ________ computer is the household appliances and electronic devices.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
3. ________ is the biggest and powerful computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Super computer
4. ________ is the second largest and powerful computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
5. ________ computers are used in the hospital and school laboratory.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
6. ________ computer is similar to super computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
7. Television, DVD, home theater, washing machine, water dispenser and microwave are good examples of ________ computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
8. ________ are the most frequently used type of computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
9. ________ is also known as personal computer.
A. Mainframe computer
B. Macro computer
C. Mini computer
D. Embedded computer
10. Supercomputers are the most smallest and powerful computer by size.
A. True
B. False