C Programming- Hardware, Software,

Algorithm, Flowchart

Organized By: Vinay Arora

Assistant Professor, CSED

Thapar University, Patiala

Vinay Arora

TU, CSED

Disclaimer

This is NOT A COPYRIGHT MATERIAL

Content has been taken mainly from the following books & websites:

Computer Graphics C Version By Donald Hearn, M. Pauline BakerSchaum's outline of theory and problems of computer graphics By Zhigang Xiang, Roy A. Plastock

Computer Graphics: Principles and Practice By James D. Foley

http://en.wikipedia.org/wiki/Computer_graphics

http://www.howstuffworks.com/3dgraphics.htm

http://www.graphics.cornell.edu/online/tutorial/

http://www.cgarena.com/

etc…

Vinay Arora

TU, CSED

Display Devices

� A Display Device is an Output device for presentation of Information for Visual reception.

� The Display Systems are often referred to as Video Monitor or Video Display Unit (VDU).

� Display Devices having CRT:-

DVST – Direct View Storage Tube

Random Scan

Raster Scan

Vinay Arora

TU, CSED

Computer Monitor - External View

Vinay Arora

TU, CSED

Brands of CRT

Vinay Arora

TU, CSED

Input Devices

� Keyboard

� Mouse

� Trackball

� Joystick

� Data Glove

� Digitizer

� Image Scanner

� Touch Panel

� Light Pen

� Voice System

Vinay Arora

TU, CSED

Keyboard (Virtual)

Vinay Arora

TU, CSED

Keyboard (Foldable)

Vinay Arora

TU, CSED

Keyboard (Foldable)

Vinay Arora

TU, CSED

Mouse (Ring Optical)

Vinay Arora

TU, CSED

Mouse

Vinay Arora

TU, CSED

Wire Free Keyboard/Mouse

Vinay Arora

TU, CSED

Trackball – In Mouse

Vinay Arora

TU, CSED

Trackball – In Mobiles

Vinay Arora

TU, CSED

Trackball – In Remote Controls

Vinay Arora

TU, CSED

Joystick

Vinay Arora

TU, CSED

Data Glove

Vinay Arora

TU, CSED

Data Glove

Vinay Arora

TU, CSED

Image Scanner/ Scanner

Vinay Arora

TU, CSED

Touch Panel

Vinay Arora

TU, CSED

Touch Panel

Vinay Arora

TU, CSED

Output Devices/Hardcopy Devices

� Dot Matrix Printer

� Laser Printer

� Plotter

Vinay Arora

TU, CSED

Dot Matrix Printer

Vinay Arora

TU, CSED

Laser Printer

Vinay Arora

TU, CSED

Plotter

Vinay Arora

TU, CSED

Algorithm & Flowchart

� A sequence of instructions is called an Algorithm.

� Algorithms are a fundamental part of computing.

� There are two commonly used tools to help to document program logic

(the algorithm).

� These are Flowcharts and Pseudocode.

Vinay Arora

TU, CSED

Program

Vinay Arora

TU, CSED

Algorithm

Vinay Arora

TU, CSED

Algorithm – Example (Largest among 3 no.)

Vinay Arora

TU, CSED

Flowchart Symbol

Vinay Arora

TU, CSED

Flowchart Symbol (contd.)

Vinay Arora

TU, CSED

Flowchart Symbol (contd.)

Vinay Arora

TU, CSED

Advantages

Vinay Arora

TU, CSED

Drawbacks

Vinay Arora

TU, CSED

Sequence Control Structure

Vinay Arora

TU, CSED

Flowchart & Pseudocode

Vinay Arora

TU, CSED

Selection Control Structure

Vinay Arora

TU, CSED

Repetition Control Structure

Vinay Arora

TU, CSED

Flowchart & Pseudocode

Vinay Arora

TU, CSED

Flowchart - example

Vinay Arora

TU, CSED

Flowchart - example

Vinay Arora

TU, CSED

Flowchart - example

Vinay Arora

TU, CSED

Thnx…