Subject Name
Web Design and Fundamentals

Code

Credit Hours

Web Design and Fundamentals
WDF222

By
D.Balaganesh

D.Balag...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Overview Of Computer

Data

Process

Hardware

Using

Softwa...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Definition of Computer
• A computer is an electronic device....
Subject Name
Web Design and Fundamentals

Code

Credit Hours

General Operations
• Computers can perform four general
oper...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Data and Information

• All computer processing requires dat...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Cont.
• Information is data that is organized,
meaningful, a...
Subject Name
Web Design and Fundamentals

Code

Computer Characteristics
•
•
•
•
•

High speed.
Accuracy.
Reliability.
Mas...
Subject Name
Web Design and Fundamentals

Code

COMPONENTS OF A COMPUTER

D.Balaganesh Lincoln University College

Credit ...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Primary Components of a computer
•
•
•
•
•

Input devices.
C...
Subject Name
Web Design and Fundamentals

Code

Input devices
•
•
•
•
•

Mouse.
Keyboard.
Touch pad.
Pointing stick.
Scann...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

CPU (Central Processing Unit )
• Interprets instructions to ...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Memory:
• RAM:
Random Access Memory.
Temporary memory.
El...
Subject Name
Web Design and Fundamentals

Code

Memory
• ROM:
Read Only Memory.
Permanent memory.
Chip that has start-u...
Subject Name
Web Design and Fundamentals

Code

Unit of Information
• Bytes
One character takes up about one Byte.
One b...
Subject Name
Web Design and Fundamentals

Code

Cont.
1 Bit = 0 or 1
8 Bits = 1 Bytes
1024 Bytes = 1 KB
1024 KB = 1 MB
102...
Subject Name
Web Design and Fundamentals

Code

Output Devices
• Computer screen.
• Printer.
• Speaker.

D.Balaganesh Linc...
Subject Name
Web Design and Fundamentals

Code

Storage Devices
•
•
•
•
•

Floppy Disks
Compact Disks (CD)
Hard Disk
Digit...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Comparing Types of Memory Storage Devices

• Sometimes stora...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Hardware and Software
• Hardware:
The term hardware refers t...
Subject Name
Web Design and Fundamentals

Code

Types of Software

D.Balaganesh Lincoln University College

Credit Hours
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Software
• The computer hardware on its own has no
intellige...
Subject Name
Web Design and Fundamentals

Code

Types of Software
•Operating System Software.
•Application Software.

D.Ba...
Subject Name
Web Design and Fundamentals

Code

Operating System Software
• It is a program that
controls the computer
and...
Subject Name
Web Design and Fundamentals

Code

Operating System Software
• Examples of Operating
system software:
 Windo...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Application Software

Consists of programs that tell a compu...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Application Software
• This is software that help the user c...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

Application Software
• MS Word ( Word Processing ):
 Word P...
Subject Name
Web Design and Fundamentals

Code

Credit Hours

MS Powerpoint ( Presentation)
• MS Powerpoint allows the use...
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  1. 1. Subject Name Web Design and Fundamentals Code Credit Hours Web Design and Fundamentals WDF222 By D.Balaganesh D.Balaganesh Lincoln University College
  2. 2. Subject Name Web Design and Fundamentals Code Credit Hours Overview Of Computer Data Process Hardware Using Software D.Balaganesh Lincoln University College Given Result
  3. 3. Subject Name Web Design and Fundamentals Code Credit Hours Definition of Computer • A computer is an electronic device. • It can accept data (input), manipulate (process), and produce information(output). D.Balaganesh Lincoln University College
  4. 4. Subject Name Web Design and Fundamentals Code Credit Hours General Operations • Computers can perform four general operations, which comprise the information processing cycle: 1. Input. 2. Process. 3. Output. 4. Storage. D.Balaganesh Lincoln University College
  5. 5. Subject Name Web Design and Fundamentals Code Credit Hours Data and Information • All computer processing requires data, • Data is a collection of raw facts, figures and symbols, such as numbers, words, images, video and sound, given to the computer during the input phase. • Computers manipulate data to create information. D.Balaganesh Lincoln University College
  6. 6. Subject Name Web Design and Fundamentals Code Credit Hours Cont. • Information is data that is organized, meaningful, and useful. • During the output phase, the information that has been created is put into some form, such as a printed report. D.Balaganesh Lincoln University College
  7. 7. Subject Name Web Design and Fundamentals Code Computer Characteristics • • • • • High speed. Accuracy. Reliability. Mass storage of information. Communication with other computers through network like internet. D.Balaganesh Lincoln University College Credit Hours
  8. 8. Subject Name Web Design and Fundamentals Code COMPONENTS OF A COMPUTER D.Balaganesh Lincoln University College Credit Hours
  9. 9. Subject Name Web Design and Fundamentals Code Credit Hours Primary Components of a computer • • • • • Input devices. Central Processing Unit. Memory. Output devices. Storage devices. D.Balaganesh Lincoln University College
  10. 10. Subject Name Web Design and Fundamentals Code Input devices • • • • • Mouse. Keyboard. Touch pad. Pointing stick. Scanner. D.Balaganesh Lincoln University College Credit Hours
  11. 11. Subject Name Web Design and Fundamentals Code Credit Hours CPU (Central Processing Unit ) • Interprets instructions to the computer, performs the logical and arithmetic processing operations, and cause the input and output operations to occur. • Performs all the calculations within the computer. • CPU speed measured in MHz. D.Balaganesh Lincoln University College
  12. 12. Subject Name Web Design and Fundamentals Code Credit Hours Memory: • RAM: Random Access Memory. Temporary memory. Electronic components that store data including numbers, letters, graphics and sound. Information stored is lost when the computer is turned off. D.Balaganesh Lincoln University College
  13. 13. Subject Name Web Design and Fundamentals Code Memory • ROM: Read Only Memory. Permanent memory. Chip that has start-up directions for your computer. D.Balaganesh Lincoln University College Credit Hours
  14. 14. Subject Name Web Design and Fundamentals Code Unit of Information • Bytes One character takes up about one Byte. One byte is equal to eight bits. Bits means binary digit. D.Balaganesh Lincoln University College Credit Hours
  15. 15. Subject Name Web Design and Fundamentals Code Cont. 1 Bit = 0 or 1 8 Bits = 1 Bytes 1024 Bytes = 1 KB 1024 KB = 1 MB 1024 MB = 1 GB 1024 GB = 1 TB D.Balaganesh Lincoln University College Credit Hours
  16. 16. Subject Name Web Design and Fundamentals Code Output Devices • Computer screen. • Printer. • Speaker. D.Balaganesh Lincoln University College Credit Hours
  17. 17. Subject Name Web Design and Fundamentals Code Storage Devices • • • • • Floppy Disks Compact Disks (CD) Hard Disk Digital versatile Disk (DVD) Flash Disk D.Balaganesh Lincoln University College Credit Hours
  18. 18. Subject Name Web Design and Fundamentals Code Credit Hours Comparing Types of Memory Storage Devices • Sometimes storage is a trade off between speed, capacity, price and reliability. D.Balaganesh Lincoln University College
  19. 19. Subject Name Web Design and Fundamentals Code Credit Hours Hardware and Software • Hardware: The term hardware refers to the physical components of you computer such as the computer screen, mouse, keyboard etc… • Software: Computer software is the key to productive use of computers. D.Balaganesh Lincoln University College
  20. 20. Subject Name Web Design and Fundamentals Code Types of Software D.Balaganesh Lincoln University College Credit Hours
  21. 21. Subject Name Web Design and Fundamentals Code Credit Hours Software • The computer hardware on its own has no intelligence and therefore must be supplied with instructions to perform any task. • Software or programs, consist of step-by-step instructions that tell the computer how to perform a task. • Software is divided into two main categories: – system software and – application software. D.Balaganesh Lincoln University College
  22. 22. Subject Name Web Design and Fundamentals Code Types of Software •Operating System Software. •Application Software. D.Balaganesh Lincoln University College Credit Hours
  23. 23. Subject Name Web Design and Fundamentals Code Operating System Software • It is a program that controls the computer and enables it to run application software. • It allows the computer to manage its internal resources. • The software runs the basic computer operations – it tells the hardware what to do, how to do it, andD.Balaganesh Lincoln University College when Credit Hours
  24. 24. Subject Name Web Design and Fundamentals Code Operating System Software • Examples of Operating system software:  Windows XP  Windows Vista D.Balaganesh Lincoln University College Credit Hours
  25. 25. Subject Name Web Design and Fundamentals Code Credit Hours Application Software Consists of programs that tell a computer how to produce information. Some of the more commonly used packages are:  Word processing.  Electronic spreadsheet.  Presentation. D.Balaganesh Lincoln University College
  26. 26. Subject Name Web Design and Fundamentals Code Credit Hours Application Software • This is software that help the user carry out specific task such as word-processing, spreadsheet, databases and presentation software. • Application fall under two styles – Tailor-made: software designed for the particular customer. – Off-the-shelf: for use by the general public D.Balaganesh Lincoln University College
  27. 27. Subject Name Web Design and Fundamentals Code Credit Hours Application Software • MS Word ( Word Processing ):  Word Processing software is used to create and print documents • Spreadsheet ( MS Excel ) Electronic spreadsheet software allows the user to add, subtract, and perform userdefined calculations on rows and columns of numbers. These numbers can be changed and D.Balaganesh Lincoln University College
  28. 28. Subject Name Web Design and Fundamentals Code Credit Hours MS Powerpoint ( Presentation) • MS Powerpoint allows the user to create documents called slides to be used in making the presentation. D.Balaganesh Lincoln University College

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