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SYSTEM UNIT

TITLE: NOTE OF LESSON ON COMPUTER STUDIES/ INFORMATION TECHNOLOGY

SUBJECT: COMPUTER STUDIES

TERM: FIRST TERM

WEEK: WEEK 8

DATE:

CLASS: PRIMARY 4

AGE OF STUDENTS:

CLASS COMPOSITION: Slow and fast learners.

PERIOD:

DURATION: 45 MINUTES

TOPIC: SYSTEM UNIT

Sub –Topics:

  • External features of system unit

ENABLE OBJECTIVES

At the end of this Module, Pupils should be able to:

  • Identify system unit.
  • List external features of a system unit.

TEACHING AND LEARNING MATERIALS

  • Computer
  • System unit
  • projector
  • Explanatory posters/pictures
  • Explanatory Video

TEACHING AND LEARNING METHOD

  • Explanation
  • Discussion
  • Questions and Answers

REFERENCE 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)
  • Internet Materials.
  • Edudelight Computer Studies for Primary Schools.

WORD FILE:   processes, component,processing.

ENTRY BEHAVIOUR/ PREVIOUS LESSON: the students are familiar with printer.

                                         CONTENT

                                  SYSTEM UNIT

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:

  1. Reset button: it is used to clear the computer memory. It reset the computer.
  2. Power button: it is used to power on and off the computer.
  3. Cd drive: it is used to read data encoded on a compact disc or DVD.
  4. Universal Serial Bus (Usb) port: it is used to connect different external devices like keyboard, flash drive, mouse, etc.

PRESENTATION

  • The Teacher revises the previous lesson (PRINTERS).
  • The Teacher introduces the topic: SYSTEM UNIT (EXTERNAL FEATURES)
  • 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.

EVALUATIVE ACTIVITIES

  • 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: the teacher sum up the lesson.

PREVIOUS LESSON: PRINTERS

NEXT LESSON: SYSTEM UNIT INTERNAL FEATURES

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