Home COMPUTER STUDIES TOPIC 3 : THE COMPUTER SOFTWARE | ICS FORM 1

TOPIC 3 : THE COMPUTER SOFTWARE | ICS FORM 1

502
0
TOPIC 3: COMPUTER NETWORKS AND COMMUNICATIONS | ICS THE INTERNET

TOPIC 3 : THE COMPUTER SOFTWARE | ICS FORM 1

The computer software

Software refers to the programs that control the operation of a computer .

Software is is a program and its documentation in a nutshell the term software describes the programs that are used to operate the computer system.

Types of computer software

State types of computer software

There are two types of computer software

i) Application Software

ii) System Software

The difference between systems software and application software

DIFFERENCE BETWEEN SYSTEM SOFTWARE AND APPLICATION SOFTWARE

RELATIONSHIP BETWEEN SOFTWARE AND HARDWARE

 Hardware and software both are interdependent on each other. Each of them should work along to form computer produce a helpful output.

 The software can not be used if there is no support of any hardware device.

 The software acts as an associate interface between the user and therefore the hardware.

The operating system

What is an operating System?

Some of the definitions are;

 A program that acts as an intermediary between a user of a computer and a computer hardware.

 It is part of the computing system that manages all the hardware and all the software .operating system performs basic tasks like input from the mouse or keyboard . sending output to the video screen or printer. keeping track of files on the drivers and controlling peripherals such as printers and modems

The various types of operating system

There are various types of operating system.The most commonly used types of operating system are:

 Batch operating system

 Time-sharing operating system

 Distributed operating system

  COMPUTER STUDY NOTES ICS FORM FOUR

 Network operating system

 Real-time operating system

FUNCTIONS OF OPERATING SYSTEM

 Processor management

 Memory management

 Virtual storage

 Device management

 Information management Examples of operating system disk operating system, windows 98, windows 2000, windows millennium, windows xp, vista,7,8, UNIX, SOLARIS . IBM OS/ 400., LINUX., MAC (OS)X

Using operating system

The correct procedure of switching On/Off the computer

SWITCHING ON A COMPUTER

On starting a computer the figure shows you the first screen / windows. the screen is called Desktop. the desktop operating system composed of a task bar on which the start button is located. the other items appearing on the desktop are called icons.

SWITCHING OFF A COMPUTER

 There are procedures that has to be followed when shutting down the computer.

 close all opened programs

 click the start button on the task bar

 click on the shut down or turn off the computer

 from the dialog box that appears, select shut down or turn off the computer

 then click OK

LEAVE A REPLY

Please enter your comment!
Please enter your name here

error: Content is protected !!