Computer Studies - Junior Secondary 1 - Generations of computer
Generations of computer
Generations of computer
Term: 1st Term
Week: 10
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
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 compares all the generations of computers in terms of main electronic component and programming language |
Students pay attention and participates |
|
STEP 3 DEMONSTRATION |
She compares all the generations of computers in terms of main memory |
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
COMPARATIVE STUDY OF GENERATIONS OF COMPUTER
Generation of Computer:
1st Generation
Main Electronic Component: Vacuum tube
Programming Language: Machine Language
Main Memory: Magnetic tapes and magnetic drums
Example: IBM 750, IBM 701, ENIAC, UNIVAC
2nd Generation
Main Electronic Component: Transistor
Programming Language: Machine language and assembly language
Main Memory: Magnetic core and magnetic tape/disk
Example: IBM 1400 series, IBM 7090 and 7094, UNIVAC 1107, CDC 3600
3rd Generation
Main Electronic Component: Integrated circuits (ICs)
Programming Language: High-level Language
Main Memory: Large magnetic core, magnetic tape/disk
Example: IBM 360, IBM 370, PDP, B6500, UNIVAC 1108, UNIVAC AC 9000
4th Generation
Main Electronic Component: Very largescale integration (VLSI)
Programming Language: High-level language
Main Memory: Semiconductor Memory (such as RAM, ROM, etc.)
Example: IBM PC, STAR 1000, Apple Macintosh, Alter 8800
5th Generation
Main Electronic Component: Ultra Large-Scale Integration (ULSI), Artificial Intelligence (AI)
Programming Language: Understand natural language or human language
Main Memory: Faster Solid State Drive (SSD) memory
Example: Notebook, Desktops, laptops, tablets, smartphones
EVALUATION: 1. Compare all the generations of computer under these headings;
CLASSWORK: As in evaluation
CONCLUSION: The teacher commends the students positively