Computer Software

Introduction Generations of Computers Classification of Computers Basic Anatomy of a Computer System Memory Management Computer Software Operating System

Algorithm Flowcharts

Programming Language Generations of Programming Languages Introduction to C Structure of C Programming Language Integrated Development Environment First C program, Hello World Executing a C Program Constants in C Variables in C C Storage Classes and Storage Class Specifiers

Introduction Arithmetic operators Relational Operators Logical Operators Assignment Operator Increment and Decrement Operators Conditional Operators Bitwise Operators Precedence and Associativity

Control Instructions in C if Statement in C if-else Statement Nested if-else statement else if ladder Switch Statements in C

Loops Introduction for Loop while loop in C do-while Loop break and continue statements

Array in C One Dimensional array Two Dimensional Array Multidimensional Arrays

Modular Programming Functions

Searching Techniques Linear Search Algorithm Binary-Search-Algorithm

Sorting Introduction Bubble Sort

What is Strings Standard Library String Functions

Structure Introduction Defining a Structure Declaration of Structure Example of Structure Union Introduction Defining a Union Accessing Union Members

Pointers in C Accessing the Address of a variable Pointer Operations

Dynamic Memory Allocation

A computer program is a set of logical instructions expressed in a programming language that instructs the computer on how to do a task. As a result, the software serves as an important interface between the hardware and the user. The first task of computer software is to govern and coordinate the hardware components and manage their performance, while the second task is to enable users to complete their required tasks. The software that is used to achieve the first task is known as the system software and the software that is used to achieve the second task is known as the application software.

System Software

System software consists of many different programs that manage and support different tasks. Depending upon the task performed, the system software can be classified into two major groups

System Management Programs used for managing both the hardware and software systems. They include:

- Operating system
- Utility programs
- Device drivers

System development programs are used for developing and executing application software. These are

- Language translators
- Linkers
- Debuggers
- Editors

Application Software

Application software includes a variety of programs that are designed to meet the information processing needs of end-users. They can be broadly classified into two groups:

Standard application programs that are designed for performing common application jobs They include:

- Word processor
- Spreadsheet
- Database Manager
- Desktop Publisher
- Web Browser

Unique application programs that are developed by the users themselves to support their specific needs, They include:

- Managing the inventory of a store
- Preparing pay bills of employees in an organization
- Reserving seats in trains or airlines

Fundamentals of the Computer System

Introduction to Algorithm

Programming Basics

Operators in C

Conditional Branching

Iteration and Loops

Array in C

Functions in C

Searching Algorithms

Sorting Algorithms

Strings

Structures and Union

Pointers in C

File Handling in C

Advanced