Page 7 - DCAP507_SYSTEM_SOFTWARE

Avinash Bhagat, Lovely Professional University Unit 1: Introduction to System Software

Unit 1: Introduction to System Software Notes

CONTENTS

Objectives
Introduction
1.1 System Software
1.1.1 System Software Concept
1.2 Machine Structure

1.2.1 Machine Dependency of System Software
1.2.2 SIC Machine
1.2.3 SIC Machine Architecture

1.2.4 SIC/XE Machine Architecture
1.3 Major Components of a Programming System
1.3.1 Operating System
1.3.2 Language Translators
1.3.3 Loader

1.3.4 Linker
1.3.5 Macros
1.4 Summary

1.5 Keywords
1.6 Review Questions
1.7 Further Readings

Objectives

After studying this unit, you will be able to:
 Define system software
 Understand the concept of system software
 Discuss machine structure
 Illustrate various components of a programming system

Introduction

System software includes numerous programs that assist the operations of a computer. This
makes it probable for the consumer to concentrate on an application or other difficulty to be
solved, without requiring to know the details of how the machine functions internally. Instances
of system software are text-editors, compilers, loaders or linkers, debuggers, assemblers, and
operating systems.

LOVELY PROFESSIONAL UNIVERSITY 1