Acem computer software

Software
Computer Instructions or
data, anything that
can be stored
electronically is
Software.
Examples:-
Ms word, excel,
power point, spread
sheets, library
management system
etc.

The System Software consist of the Operating System
and all the utilities that enable the computer to function.
System software actually controls the hardware so that
application software can perform any action or task.
Example:
Operating Systems, Compiler, Loader, Linker, Interpreter
and etc

Operating System
Utilities
Device Drivers
Language Translators

Application Software includes programs that do real work
for user.
Example:
Payroll systems, Inventory Control, Manage student
database, Word Processor, Spreadsheet and Database
Management System etc.,

Categories of Application Software
Types of Application
Forms of Application Software

Business Software
Graphic & Multimedia
Home / Personal / Education
Communication

Proprietary
In-house
Contract
Off-the-shelf
Customized package

CustomSoftware
WebApplication
OpenSource
Shareware
Freeware
Public-domainSoftware
Package Software

Actually the application software consists of
programs that are designed to make users more
comfortable or productive to assist personal
tasks
The application software is present on computer
hard disk
Application software can also be stored on CDs,
DVDs, and flash or keychain storage devices

Proprietary
Proprietary software is a licensed software under exclusive
legal right of owner.
In-house
In In-house software we develop application with the help of
company resources
Off-the-shelf
An existing software program that can be used without any
changes expected.
Contract
The software which is developed for a specific company for
their requirement.
o
o
o
o

Package software
A software which is sold in a bundle due to
similar function of programs.
Example
 o Microsoft office, windows Cd

In System software programs are designed to operate,
control and enhances the processing capabilities of the
computer
System software is developed by computer manufacturer
in low level language
It also helps hardware components to work together and
provide support for the development and execution of
the application software
Programs which are included in system software
package are known as system programs and the
programmers who develop those programs are known
as system programmer

Operating System
An operating system is software which manages computer
hardware and software resources. It also provides
common services to computer programs.
The operating system is an essential component of
the system software in a computer system. Application
programs are dependent on operating system to function

Utilities software is system software which is
manufactured to help ,analyze, configure,
optimize or to maintain a computer.
It also helps in maintenance and problem
solving of a computer.

Hardware utilities
Virus-detection and recovery utilities
File-compression utilities
Spam and pop-up blocker utilities
Backup
Uninstall

o Device driver is actually a communication device
between device and computer
It loads every time in memory
When a new device is added the driver should be
installed in order to run the program
o
o

o Close to system
Fast in speed
Difficult to design
Difficult to understand
Less interactive
Smaller in size
Difficult to manipulate
Generally written in low level language
o
o
o
o
o
o
o


22
Aravali College of Engineering And Management
Jasana, Tigoan Road, Neharpar, Faridabad, Delhi NCR
Toll Free Number : 91- 8527538785
Website : www.acem.edu.in

Acem computer software

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