SUBJECT: INFORMATION COMMUNICATION TECHNOLOGY
TERM: 1ST TERM
CLASS: PRIMARY 4
TOPIC: SYSTEM UNIT
External features of system unit
At the end of this lesson, Pupils should be able to:
Identify system unit.
List external features of a system unit.
TEACHING AND LEARNING MATERIALS
Universal Basic Education Curriculum.
NERDC Basic Education Curriculum for primary schools.
Lagos State Scheme of work
Unified Schemes of Work Primary Schools for Computer Studies (MIDDLE BASIC)
Computer Studies for Primary Schools.
ENTRY BEHAVIOUR/ PREVIOUS LESSON: the students are familiar with printer.
System unit is the hardware component of a computer which processes all the information entered into the computer. It can be called computer chassis, computer tower, and computer case.
The interior parts of the system units are motherboard, central processing unit (cpu), power supply, disk drive(hard disk, cd drive), Memory (RAM and ROM).
The CPU is the brain of the system.
EXTERNAL FEATURES OF A SYSTEM UNIT
The external features of a system unit include:
Reset button: it is used to clear the computer memory. It reset the computer.
Power button: it is used to power on and off the computer.
Cd drive: it is used to read data encoded on a compact disc or DVD.
Universal Serial Bus (Usb) port: it is used to connect different external devices like keyboard, flash drive, mouse, etc.
The Teacher revises the previous lesson.
The Teacher introduces the topic:
She/he explains and list the interior parts of system units.
She/he explains and list the External features of system units.
Teacher leads pupils to mention the external features of system unit.
Another name for system unit is —————-.
.The hard ware component of a computer which processes all the information entered into the computer is ______________________.
USB stands for _______________________.
List three external features of a system unit
CONCLUSION: Teacher goes over the topic once again for better understanding
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