|
Introduction to Computer Software In this lesson
|
| Sana | 04.12.2023 | | Hajmi | 496,2 Kb. | | #111024 |
Bog'liq Introduction to Computer Software In this lesson - After completing this lesson, you should have clear understanding on
- What is computer software
- System software
- Operating system and its functions
- Utility programs
- Language Translators
Computer Software - A set of programs that are specifically written to provide the user a precise functionality like solving a specific problem is termed as a software package
- Tells the computer what to do and how to do it.
- instructs to display on the user’s screen
- what kinds of input to take from the user
- what kinds of output to generate.
Categories of Software - System software
- Application software.
System Software - Consists of several programs directly responsible for controlling, integrating, and managing the individual hardware components
Operating System - A set of system programs that controls and coordinates the activities of the computer’s hardware and application.
- The platform on which the application software operates
- DOS (Disk Operating System), Windows 3.x, Windows 95, Windows NT, Windows 2000, Windows XP, Windows Vista, Mac OS, UNIX and LINUX
Functions of an Operating System Functions of an Operating System Functions of an Operating System Functions of an Operating System - Monitoring System Performance
Functions of an Operating System Functions of an Operating System - Managing Storage Media and Files
Functions of an Operating System Functions of an Operating System: User Interface - Command-driven:
- you enter commands. You type keywords or special keys on the keyboard to enter data and instructions. Example: MS DOS.
Functions of an Operating System: User Interface - Menu-driven:
- you select command choices from various menus displayed on the screen. Example: Windows and Mac OS.
Functions of an Operating System: User Interface - Graphical (GUI):
- use menus and visual images such as icons and buttons to issue commands
Utility Programs - system software used to perform maintenance-type tasks such as managing a computer, its devices and its programs
- Most utility programs are included in the operating system
Utility Programs Utility Programs Utility Programs Utility Programs Utility Programs Utility Programs Utility Programs Utility Programs Utility Programs Language Translators - A language translator is a type of system software that translates a program in assembly or higher level language into machine language
- Assemblers: is system software that translates the assembly language program into machine language
- Compiler: a language translator that converts the entire program of a higher level language (source code) into machine language
- Interpreter: a language translator that converts each high level language statement into machine language and executes it immediately statement by statement
What we have covered - What is computer software
- System software
- Operating system
- Utility programs
- Language Translators
Doubt?
|
| |
