Computer Studies - Junior Secondary 1 - Generations of computer

Generations of computer

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Term: 1st Term

Week: 8

Class: Junior Secondary School 1

Age: 12 years

Duration: 40 minutes of 2 periods each

Date:

Subject:      Computer studies

Topic:-       Generations of computer

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. Discuss the fourth generation of computers
  2. Mention examples of fourth generation of computers
  3. State the features of fourth generation of computers

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S ACTIVITY

STEP 1

INTRODUCTION

The teacher revises the previous lesson on the generations of computer

Students pay attention

STEP 2

EXPLANATION

She discusses the fourth generation of computers and lists examples

Students pay attention and participates

STEP 3

DEMONSTRATION

She states and explains the features of the fourth generation of computers

Students pay attention and participate

STEP 4

NOTE TAKING

The teacher writes a summarized note on the board

The students copy the note in their books

 

NOTE

GENERATION OF COMPUTERS

Fourth (4th) Generation Computers (1972-1980)

These are computers from 1972-1980. It is based on Very Large Scale Integrated (VLSI) circuits. It supported time-sharing, real-time networks, and distributed operating systems.

All the high-level languages like i. C, ii. C++ iii. DBASE etc. were used in this generation. It uses semiconductor memory such as RAM (Random Access Memory) and ROM (Read Only Memory) etc.

Examples are;

  1. Apple Macintosh
  2. IBM PC
  3. DEC 10
  4. STAR 1000
  5. PDP 11
  6. CRAY-1 (Super Computer)
  7. CRAY-X-MP (Super Computer)

 

FEATURES OR CHARACTERISTICS

  1. It is based on VLSI technology
  2. It is very cheap
  3. It uses of Personal Computers
  4. It is very small size
  5. It uses Semiconductor memory (ROM, RAM)
  6. It uses Pipeline processing
  7. It is Portable and reliable
  8. It does not require AC
  9. It has internet facilities

EVALUATION:    1. Discuss briefly the fourth generation of computers

  1. List two examples of the fourth generation computers
  2. State four features of the fourth generation of computers

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively