Lesson Notes By Weeks and Term - Junior Secondary School 2

SUBJECT: ICT

CLASS:  JSS 2

DATE:

TERM: 1st TERM

 
WEEK 4

TOPIC: SOFTWARE

Definition 

Software is a collection of computer program used to operate computers that provide instructions to computer and related devices

TYPES OF SOFTWARE

There are two types of software .There are:

1. System software
2. Application software

What is system software?

System software is computer software designed to operate and control the computer hardware and to provide a platform for running application software.

Examples of software system are: 

• Microsoft Windows : Windows Vista, Windows 95, Windows 98, Windows 3.1, Windows ZP Windows 8, Windows 7, Windows Server 2012, Windows Server 2008, and Windows Server

1.  Linux
2.  Unix 
3. Mac OSX 
4. DOS 
5.  BIOS Software 
6.  HD Sector Boot Software 
7.  Device Driver Software i.e. Graphics Driver etc 
8. Linker Software 
9.  Assembler and Compiler Software 

What is Application Software?

Application software is computer programs that allow the users to perform specific task. The program are commonly refers to as “Apps”.

Examples of application software are:

1. Opera (Web Browser) 
2. Microsoft Word (Word Processing) 
3.  Microsoft Excel (Spreadsheet software)
4.  Database Software 
5. Microsoft PowerPoint (Presentation Software) 
6.  iTunes (Music / Sound Software) 
7.  Media Player (Audio / Video Software ) 
8. World of Warcraft (Game Software) 
9. Adobe Photoshop (Graphics Software
10. Google Chrome software
11. Skype
12. Corel WordPerfect. 

They can be installed from a CD or downloaded from a variety of websites. Most applications are designed for a very specific purpose.