Meaning of System Unit | Basic Features of System Unit (External Features) | Uses of External Features of System Unit Primary 4 (Basic 4) – Computer Studies

COMPUTER STUDIES

BASIC SCIENCE AND TECHNOLOGY

FIRST TERM

WEEK 8

PRIMARY 4

THEME: BASIC COMPUTER OPERATION 

PREVIOUS LESSON – Meaning of Printer | Types of Printer | Uses of Printer Printer Primary 4 (Basic 4) – Computer Studies 

TOPIC – BASIC FEATURES OF SYSTEM UNIT 

LEARNING AREA

1. Introduction Activities

2. Meaning of System Unit

3. External Features of System Unit

4. Lesson Evaluation and Weekly Assessment (Test)

PERFORMANCE OBJECTIVES

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

1. Identify system unit.

2. List external features of a system unit.

3. State the uses of each of these features.

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Functional computer systems.

2. Different types of system units.

3. Chart shows different parts of system unit.

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 ONE 

LESSON 1 – INTRODUCTORY ACTIVITIES 

Teacher’s Activities – Display a functional computer (if available) or a chart showing a computer for the pupils to identify the system unit and its external features such as where the monitor, mouse, printer, scanner, etc.are connected.

Pupil’s Activities – This is a system unit. Monitor is connected here,….

Teacher’s remark – Good job you. Discuss the meaning and main external features of system unit and summary on the board.

MEANING OF SYSTEM UNIT

A system unit is the main part of a computer which includes the motherboard, CPU, RAM, and other components.

The system unit also includes the case that houses the internal components of the computer. There are two (2) types of system unit, internal and external features.

EXTERNAL FEATURES OF SYSTEM UNIT (FRONT FEATURES) 

1. Power button

2. Power light

3. Reset button

4. CD/DVD – ROM drive

5. Floppy disk drive

6. USB ports

7. Key lock

LESSON 2 – INTRODUCTORY ACTIVITIES 

Teacher’s Activities – Group the pupils based on the available computer systems (if available). Lead and guide them to identify the uses external features of system unit.

Pupil’s Activities – Participate in the group activities and follow the teacher’s instructions.

Teacher’s remark – Give a cheer and comment. Ask the pupils, what is the use of –

USES OF EXTERNAL FEATURES OF SYSTEM UNIT

1. Power button

It is used to switch On/Off a computer system.

2. Power light 

It is an indicator that show if the system is power is on or off.

3. Reset button

It is used to restart a computer system.

4. CD/DVD – ROM drive

It is used for installing software or playing music or movie.

5. Floppy disk drive

It is used for storing data on external drive.

6. USB ports

It is used for connecting external drive to the computer system.

It is also used for send date into the computer system.

7. Key lock 

It is used to prevent anyone from accessing the computer when he/she is absent.

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. Asks the pupils, what parts of computer system is this?

Pupil’s Activities – Answer the teacher’s question.

3. Guides them to compare and identify common features of different system units.

Pupil’s Activities – Compare and identify common features of different system units.

4. Guides pupils to operate each of the front features of system unit.

Pupil’s Activities – Operate each of the front features of system unit.

5. Summary the lesson on the board.

Pupil’s Activities – Copy as the teacher writes.

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 –

Meaning of System Unit | Basic Features of System Unit External Features) | Uses of iInternal Features of System Unit Primary 4 (Basic 4) – Computer Studies

LESSON EVALUATION 

Ask pupils to 

1. Define system unit.

2. List 4 external features of a system unit.

3. State the uses of each of these features.

WORKBOOK

WEEKLY ASSESSMENT (TEST)

1. _____________ is the main part of a computer.

A. System unit

B. Hardware

C. Software

2. The system unit also includes the case that houses the _____________ components of the computer.

A. external

B. internal

C. A and B

3. _____________ is used to switch On/Off a computer system.

A. USB port

B. Power light

C. Power button

4. _____________ is an indicator that show if the system is power is on or off.

A. Reset

B. Power light

C. Power button

5. _____________ used to restart a computer system.

A. Reset

B. Power light

C. Power button

6. _____________ is used for installing software or playing music or movie.

A. Floppy disk drive

B. USB port

C. CD/DVD ROM

 

7. _____________ is used for storing data on external drive.

A. Floppy disk drive

B. USB port

C. CD/DVD ROM

8. _____________ is used for connecting external storage device to the computer system.

A. Floppy disk drive

B. USB port

C. CD/DVD ROM

9. _____________ is used to prevent anyone from accessing the computer when he/she is absent.

A. Floppy disk drive

B. USB port

C. Key lock

10. A system unit is the _____________ of a computer.

A. main part

B. only hardware

C. housing case