Classification of Computer by Size (Primary 5)

Last Updated on July 19, 2020 by Alabi M. S.

 

COMPUTER STUDIES

BASIC SCIENCE AND TECHNOLOGY

SECOND TERM 

WEEK 5

PRIMARY 5

THEME – BASIC COMPUTER OPERATION

PREVIOUS LESSON – CLASSES OF COMPUTER

TOPIC: CLASSIFICATION OF COMPUTER BY SIZE 

LEARNING AREA 

Classification of Computer by Size

 

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

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 

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.

 

 

 

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 – Computer by Generation

 

LESSON EVALUATION

Pupils to –

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

 

 

 

 

 

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