Introduction
- A computer is a collection of hardware and software
- Hardware refers to physical devices of a computer system.
- The input,storage,processing and output devices are hardware
- A software is a collection of programs and procedures whose objective is to enhance the capabilities of hardware machine.
- A computer can not do anything on its own.it must be instructed to do a desired job
- Computer software is normally classified in 2 categories
- Application S/W and System S/W
System Software
System software is a set of one or more programs,designed to control the operation of a computer system
These programs do not solve specific problems like application s/w.They are general programs written to help humans in use of computer system
These System software perform tasks such as controlling all of operation required to move data into and out of computer and all steps in executing application program.
Types of System Software
- Assemblers
- Compilers
- Interpreters
- Macro processors
- Operating System
- Database Management System(DBMS)
- Text Editors
- Debuggers
- Linkers
- Loaders
Assembler
- An assembler is a system software .It converts assembly language program to machine language program.
- Thus it acts as a translator.The input to an assembler is a program written in assembly language.It is called source program.
- The output of an assembler is program in machine language program.It is known as object program.
No comments:
Post a Comment