JSS2 Computer Studies Lesson Note on Computer Software

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WEEK 2

TOPIC: COMPUTER SOFTWARE

CONTENT

• (i) Definition of Software
• (ii) Types of Software
• (iii) Examples of Software

Subtopic 1:  Definition of Software

Software, also called a program, is a series of instructions that tells the computer what to do and how to do it. In other words, it is a collection of computer programs, procedures and documentation that perform different tasks on a computer system. The software is a program written by a programmer or software developer. Software is the intangible part of the computer system though they come in CD’s according to today’s standard. Without the software installed in the computer, the computer is just a junk of hardware components. Therefore, software is as important to the computer system as human soul is important to human body.

Installation: This is the process of transferring the set of instruction that makes up software into the computer so as to make the computer perform certain task.

TYPES OF SOFTWARE

1. System Software
2. application Software

System Software: this consists of the program that control or maintain the operations of the computer and its devices. It serves as the interface between the user, the application software and the computer’s hardware. They are programs that enhance the performance operations of computer.

TYPES OF SYSTEM SOFTWARE

1. Operating System
2. Language Translators
3. Utilities
4. Device Driver

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