The content is just an excerpt from the complete note for JSS2 First Term Internet and Communication Technology (ICT) Lesson Note – Computer Software. Check below to download the complete DOCUMENT




(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.


  1. System Software
  2. application Software

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