COMPUTER SOFTWARE : MEANING AND TYPES (JS2 NOTES)

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 COMPUTER SOFTWARE

MEANING AND TYPES OF SOFTWARE


PERFORMANCE OBJECTIVES:

At the end of the lesson, the students should be able to:

1. Define Software/Program

2. List the types of software

3. Install software

MEANING OF COMPUTER SOFTWARE

Computer Software can be defined as an instruction that directs the computer to accomplish a task. Software are the applications and programming instructions that tell the computer what to do and enable it to use it for things such as playing games, writing an essay or listening to music. Examples of software are: Web Browser, Photoshop, Microsoft Word, Games ( Scratch, Minecraft), Canva, Zoom, Skype, Windows, Linux, iOs, VLC Media Player e.t.c

TYPES OF SOFTWARE

The major types of software are:

1. System Software 

2. Application Software

1. SYSTEM SOFTWARE: This is designed to directly operate the computer hardware, to provide basic functionality needed by users and other software, and to provide a platform for running application software. System software includes: Operating system (Windows, Linux, ios, Ubuntu), device drivers, and utilities.

The system software manages the fundamental operation of a computer such as

(i)  loading programs and data into memory

(ii) Executing program

(iii) Saving data to disk

(iv) Displaying information on the monitor

(v) Transmitting of data through a point to peripheral device

2. Application Software : An application program (software application, or application, or app) is a computer program designed to carry out a specific task other than one relating to the operation of the computer itself, typically to be used by end-users. Examples are : Word processors, media players, spreadsheet package, web browser, graphic software (Corel  Draw, Photoshop)  accounting software e.t.c

Class Activities

1. Define Computer Software

2. List six (6) examples of software

3. Differentiate between system and application software and give examples

HOW TO DOWNLOAD AND INSTALL SOFTWARE

To install a program from the internet

First a warning that you should only download software from a website you trust running software from an unknown source can be harmful to your computer.

            1.       On the website you are downloading the program from look for a download link. These well usually say download and are sometimes highlighted.

            2.       Select save or save as to download the program.

a.       If you chose save the installation file will save to your downloads folder

b.       If you chose save as you can choose what folder you would like to save the file to like your desktop

            3.       Go to where you saved the file and double click on the file to start the installation and follow any on screen instructions.


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