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Topic
Computer Software
Submitted by:
Hassan Raza
Shahroz Ashraf
Miqdad Ali
Khalil Hassan
Muhammad Zumar
Nisar Ahmad Khan
Submitted to:
Dr.Tahir Khan
Software
 “A set of instructions given to the computer to solve a problem is called
Software.”
 “Software is a single/collection of programs that performs a particular task
 Software is a set of instructions data or program used to operate computer
and
execute specific task
 ▫ Microsoft Word ▫
 Microsoft Excel ▫
 ▫ Photoshop etc
Example
Custom software
 Custom software (also known as tailor made software's) is software that is
specially developed for some specific organization or other use
 Packaged Software is a Software that is ready-made and available for
sale, lease , or license to the general public.
Packaged Software
Free ware
Free ware is the software that is freely available to public but author has
a copy right, means that you can only use it ,not sell it
 A computer consist of two parts Hardware & Software.
Without software our computer behaves like a car without
petrol.
 A software is set of programs, which are the set of
instructions. These instructions are written in a special
computer language that computer can understand. These
languages are known as Programming Languages.
 A computer can neither think nor make any decision its own.
Also it is impossible for any computer to independently
analyze a given data and follow its own method of solution. It
need a program to tell it what to do with data.
Software Concept
Types Of Software
System Software
Application Software
System Software
System Software is a software design to provide a
platform to other software examples include
operation system like. Microsoft window industrial
automation
It enables application programs to execute properly
 It consists of the basic operations as follows: ▫
Saving data on disk ▫ Making computer to work for
us ▫ Printing a document etc.
Device Driver
A Device Driver is a computer program that
operates or controls a particular type of device
that is attached to a computer. ▫ Like printers
When a new device is added the driver should
be installed in order to run the program
WHAT IS BOOTING
 Booting means to load and initialize the operating system on a computer
machine.
 When start a computer, it loads the operating system into the computer's
memory. This process is called booting
It can happen in two ways which is
 warm boot or cold boot
.
WARM BOOT COLD BOOT
 restarting a computer that is
already on.
It normally happens after installing
a new software or hardware or
after an application crashes or stops
working
 starting a computer that is already off.
It happens when we turn on a computer
that has been completely powered off
Language translator
Definition:
A program that convert programming source code to machine
readable codes are known as language translator.
Types:
There are three types of language translator
 Interpreter
 Compiler
 Assembler
Interpreter
 This is a program that convert high level language to machine level
language i.e. Machine level language. The basic property of Interpreter is
that it first scan one line of a program or source code, if this is error free
then it executes either it will stop the execution. So a interpreter will
check a program line by line and execute it, if it is error free. This process
takes more time in execution of any program.
 A compiler is a program used to covert high-level language into machine
level. The basic property of compiler is that it first scan all file at a time
and check for any error, if no error found then change the program to
machine level either show all the errors present in the program. So it
takes very less time for execution
Complier
Assembler
An assembler is a program written to convert assembly level
language to machine level language
Operating system:
 An operating system is the system software which is used to operate the
computer.
 An operating system manages a computer resources very efficiently, takes
care of scheduling of multiple jobs for execution
 An operating system are classified in different categories with there
performance
Single user operating system
A single user operating system give the permission to run or
execute one application or program at a time. That is one user
can work at a time. e.g.- MS-DOS
Multi-user Operating system
A multi-user operating system give the permission to many users
work at same time. A transaction process system such as
railway reservation system need of hundred of terminals under a
single program is example of multi-user operating system
The Graphical User Interface (GUI)
operating system
A GUI uses graphical components like small images,
pictures to represent a program, so that instead of
typing it we just select it using pointing devices like
Mouse etc. Ex. Windows 3.1, Windows-
95/98/2000/ME/XP, Linux etc.
Utilities
 Utilities software is system software which is manufactured to
help to analyze, configure, optimize or to maintain a
computer.
 It also helps in maintenance and problem solving of a
computer.
Common types of utility program
 Hardware utilities
 Virus-detection and recovery utilities
 File-compression utilities
 Spam and pop-up blocker utilities
 Backup
 Uninstall
Application Software
 Application software is a set of one or more programs designed to solve a specific
problem, or do a specific task
 Application software is used to perform various applications on the computer
 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
 Some commonly known application software are
 :(1). Word-processing software:- It make use of a computer for creating, editing,
viewing, formatting, storing, retrieving, and printing documents.
Continue
 (2). Spreadsheet software:- Spreadsheet software is a numericdata-analysis tool
that allows us to create a kind of computerized ledger. (Contd..)
 (3). Database software:- A database is a collection of related data stored and
treated as a unit for information retrieval purposes.
 (4). Graphics software:- It enables us to a computer system for creating, editing,
drawings, pictures, graphs, etc.
 (5). Education software:- Education software allows a computer to be used as a
teaching and learning tool.
 (6). Entertainment software:- It allows a computer to be used as an
entertainment tool.
Type Of Application Software
 Proprietary
A Proprietary software is a licensed software under exclusive legal right of owner.
 In-house
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.
Open-Source Software
 Open-source software: software freely available to anyone in a form that can
be easily modified
 • Some widely used open-source software packages: Linux OS, Free BSD, Apache
,Sendmail , Perl
 • Open-source software is often more reliable and secure than commercial
software
 Open-source systems can contain hidden costs, particularly for user support or
solving problems with the software
 A personal information manager (PIM) is application software that includes an
appointment calendar, address book, notepad, and other features to help users
organize personal information.
 Mobile devices such as smart phones and PDAs include, among many other
features, PIM functionality.
Personal Information
Manager Software
 Free ware is the software that is freely available to public but author has a copy
right, means that you can only use it ,not sell it Examples Antivirues
Free ware
Document Management Software
Document management software provides
a means for sharing, distributing, and searching
through documents by converting them
into a format that can be viewed by any user.
A popular file format that document management
software uses to save converted documents
is PDF (Portable Document Format),
developed by Adobe Systems.
Conclusion
 Without system software we cannot run the computer and without application
software we cannot do the work on the computer.
 For running the running the computer we need software
 With out software the computer is useless and we can not solve our problems
 With the help of software's we can do our maximum works in short time.

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Presentation it

  • 2. Submitted by: Hassan Raza Shahroz Ashraf Miqdad Ali Khalil Hassan Muhammad Zumar Nisar Ahmad Khan Submitted to: Dr.Tahir Khan
  • 3. Software  “A set of instructions given to the computer to solve a problem is called Software.”  “Software is a single/collection of programs that performs a particular task  Software is a set of instructions data or program used to operate computer and execute specific task  ▫ Microsoft Word ▫  Microsoft Excel ▫  ▫ Photoshop etc Example
  • 4. Custom software  Custom software (also known as tailor made software's) is software that is specially developed for some specific organization or other use  Packaged Software is a Software that is ready-made and available for sale, lease , or license to the general public. Packaged Software Free ware Free ware is the software that is freely available to public but author has a copy right, means that you can only use it ,not sell it
  • 5.  A computer consist of two parts Hardware & Software. Without software our computer behaves like a car without petrol.  A software is set of programs, which are the set of instructions. These instructions are written in a special computer language that computer can understand. These languages are known as Programming Languages.  A computer can neither think nor make any decision its own. Also it is impossible for any computer to independently analyze a given data and follow its own method of solution. It need a program to tell it what to do with data. Software Concept
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  • 7. Types Of Software System Software Application Software
  • 8. System Software System Software is a software design to provide a platform to other software examples include operation system like. Microsoft window industrial automation It enables application programs to execute properly  It consists of the basic operations as follows: ▫ Saving data on disk ▫ Making computer to work for us ▫ Printing a document etc.
  • 9. Device Driver A Device Driver is a computer program that operates or controls a particular type of device that is attached to a computer. ▫ Like printers When a new device is added the driver should be installed in order to run the program
  • 10. WHAT IS BOOTING  Booting means to load and initialize the operating system on a computer machine.  When start a computer, it loads the operating system into the computer's memory. This process is called booting It can happen in two ways which is  warm boot or cold boot . WARM BOOT COLD BOOT  restarting a computer that is already on. It normally happens after installing a new software or hardware or after an application crashes or stops working  starting a computer that is already off. It happens when we turn on a computer that has been completely powered off
  • 11. Language translator Definition: A program that convert programming source code to machine readable codes are known as language translator. Types: There are three types of language translator  Interpreter  Compiler  Assembler
  • 12. Interpreter  This is a program that convert high level language to machine level language i.e. Machine level language. The basic property of Interpreter is that it first scan one line of a program or source code, if this is error free then it executes either it will stop the execution. So a interpreter will check a program line by line and execute it, if it is error free. This process takes more time in execution of any program.  A compiler is a program used to covert high-level language into machine level. The basic property of compiler is that it first scan all file at a time and check for any error, if no error found then change the program to machine level either show all the errors present in the program. So it takes very less time for execution Complier
  • 13. Assembler An assembler is a program written to convert assembly level language to machine level language Operating system:  An operating system is the system software which is used to operate the computer.  An operating system manages a computer resources very efficiently, takes care of scheduling of multiple jobs for execution  An operating system are classified in different categories with there performance
  • 14. Single user operating system A single user operating system give the permission to run or execute one application or program at a time. That is one user can work at a time. e.g.- MS-DOS Multi-user Operating system A multi-user operating system give the permission to many users work at same time. A transaction process system such as railway reservation system need of hundred of terminals under a single program is example of multi-user operating system
  • 15. The Graphical User Interface (GUI) operating system A GUI uses graphical components like small images, pictures to represent a program, so that instead of typing it we just select it using pointing devices like Mouse etc. Ex. Windows 3.1, Windows- 95/98/2000/ME/XP, Linux etc.
  • 16. Utilities  Utilities software is system software which is manufactured to help to analyze, configure, optimize or to maintain a computer.  It also helps in maintenance and problem solving of a computer. Common types of utility program  Hardware utilities  Virus-detection and recovery utilities  File-compression utilities  Spam and pop-up blocker utilities  Backup  Uninstall
  • 17. Application Software  Application software is a set of one or more programs designed to solve a specific problem, or do a specific task  Application software is used to perform various applications on the computer  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  Some commonly known application software are  :(1). Word-processing software:- It make use of a computer for creating, editing, viewing, formatting, storing, retrieving, and printing documents.
  • 18. Continue  (2). Spreadsheet software:- Spreadsheet software is a numericdata-analysis tool that allows us to create a kind of computerized ledger. (Contd..)  (3). Database software:- A database is a collection of related data stored and treated as a unit for information retrieval purposes.  (4). Graphics software:- It enables us to a computer system for creating, editing, drawings, pictures, graphs, etc.  (5). Education software:- Education software allows a computer to be used as a teaching and learning tool.  (6). Entertainment software:- It allows a computer to be used as an entertainment tool.
  • 19. Type Of Application Software  Proprietary A Proprietary software is a licensed software under exclusive legal right of owner.  In-house 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.
  • 20. Open-Source Software  Open-source software: software freely available to anyone in a form that can be easily modified  • Some widely used open-source software packages: Linux OS, Free BSD, Apache ,Sendmail , Perl  • Open-source software is often more reliable and secure than commercial software  Open-source systems can contain hidden costs, particularly for user support or solving problems with the software
  • 21.  A personal information manager (PIM) is application software that includes an appointment calendar, address book, notepad, and other features to help users organize personal information.  Mobile devices such as smart phones and PDAs include, among many other features, PIM functionality. Personal Information Manager Software
  • 22.  Free ware is the software that is freely available to public but author has a copy right, means that you can only use it ,not sell it Examples Antivirues Free ware Document Management Software Document management software provides a means for sharing, distributing, and searching through documents by converting them into a format that can be viewed by any user. A popular file format that document management software uses to save converted documents is PDF (Portable Document Format), developed by Adobe Systems.
  • 23. Conclusion  Without system software we cannot run the computer and without application software we cannot do the work on the computer.  For running the running the computer we need software  With out software the computer is useless and we can not solve our problems  With the help of software's we can do our maximum works in short time.