A Tribute to Ms. Khairunnisha in My Life

A Tribute to Ms. Khairunnisha in My Life from ICT course
Abstract from Information Computer and Technology

Friday 11 November 2011

Third week on Software and OS

Software and Operating System
1st Session

Software drives the hardware with the data or instructions. It has 3 categories:
1. System Software
2. Application Software
3. Programming Language

Software Layers

It includes processes to link between the user and hardware.


Operating Systems

It is the most important software in all computer systems. It is also called a platform program.
The functions of OS are following:
1. Starting and shutting down of a computer
2. Providing a user interface
3. Managing programs
4. Managing memory
5. monitoring performance
6. Controlling a network
7. Configuring devices

User Interface

Two types: 1. GUI
                  2. Command-line interface

Utility Programs

These are used to improve the functions of a computer. OS includes some built-in UP, but most of the users buy these additionally.

Programming Languages
2nd Session

Programming language is a set of words, abbreviations and symbols that enables a programmer to communicate instructions to a computer.
- It is a tool to create & modify programs
- It is a language to communicate between user and computer

Generations of PL

1. Machine Language
2. Assembly Language
3. Procedural Language
4. Object-oriented Language
5. Natural Language

Application Software and Its Installation Procedures
3rd Session

Application Software improves four different sectors:
1. Business
2. Graphics and multimedia
3. Home, personal and educational task
4. Communications

Proprietary software: Open-source and freeware software
Off-the-shelf software: Commercial software

Personal Application Software: AutoCAD, Graphics Design
Workgroup Application Software: Skype, Video Conferencing
Enterprise App. S/w: Computing Enterprise software, Microsoft slim manager



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