Computer Fundamental

Computer Tutorial

Introduction to Computer What is Computer Component of computer Characteristics of computer Application of computer Advantages of computer Disadvantages of computer Computer hardware Computer software

Generation of Computer First Generation of Computer Second Generation of Computer Third Generation of Computer Fourth Generation of Computer Fifth Generation of Computer

Types of Computer According to functionality On the basis of Size Microcomputers Computer Minicomputers Computer Mainframe Computer Supercomputer Computer On the basis of Purpose

Component of Computer Input-Process-Output Concept Computer Hardware Computer Software Data, Information and Knowledge

Central Processing Unit ALU & CU CPU Registers Motherboard Ports and Interfaces Processor Types of Processors

Input devices Keyboard Mouse TrackBall Joystick Digitizing Tablet Light Pen Touch Screen Audio Input Device Vidio Input Device Scanner Optical Input Devices

Output devices Monitor Audio system Printer Plotter Projector

Computer Memory Memory Representation Memory Hierarchy CPU Registers Cache Memory Primary memory Random Access Memory Read Only Memory Data Access Methods Secondary Memory Magnetic Tape Magnetic Disk Hard Disk Floppy Disk Zip Disk Optical Disk CD-ROM Recordable Optical Disk Differences between Primary and Secondary Memory

Computer Ports Serial Ports Parallel Ports PS/2 port USB Port VGA Port DVI Port Ethernet Port

Computer Software System Software Operating System Device Driver System Utilities Application software

Programming Language Machine Language Assembly Language High-level Language Translator Software Difference Between a Compiler and An Interpreter Linker & Loader

Flow Chart Flow Chart Symbols Rules For Drawing Flowcharts How to draw flowchart Types of Flowcharts

Number System Kinds of Number Systems Converting Decimal Integer to Binary, Octal, Hexadecimal Converting Decimal Fraction to Binary, Octal, Hexadecimal Converting Decimal Integer Fraction to Binary, Octal, Hexadecimal Conversion of Binary, Octal, Hexadecimal to Decimal Conversion of Binary to Octal, Hexadecimal Conversion of Octal, Hexadecimal to Binary Binary Arithmetic Complement of Binary Numbers Binary Data Representation Binary Coding Schemes

Operating System Types of OS Functions of OS Process Management CPU Scheduling Process Synchronization Memory Management File Management Device Management

DOS OS & Commands Physical Structure of Disk Function of DOS Types of file system Internal commands External commands

Computer Network Data Transmission Media & Modes Guided Media Unguided Media Network Types LAN Topologies Network Devices

» Internet » Internet Architecture » Internet Address » World Wide Web » Web Browser » Internet Search Engines » Electronic Mail » Uses of Internet

MCQ on Fundamental of Computer

World Wide Web

World Wide Web

WWW (also called as Web) is a large scale, online store of information. It is a system of creating, organizing, and linking of documents. Information is stored on WWW as a collection of documents that are interconnected with each other via links. The interconnected documents may be located on one or more than one computer, worldwide, thus, the name world wide web. The features of WWW and terms linked to WWW are given below—
• The documents on web are created in hypertext format. Hypertext facilitates linking of documents.
• The language used to create a hypertext format document is HyperText Markup Language (HTML). HTML allows the designer of the document to include text, pictures, video, images, sound, graphics, movies etc., and also to link contents on the same document or different documents using a hyperlink.
• The hypertext format document is transferred on the Web using HyperText Transfer Protocol (HTTP).
• A single hypertext document is called a Web page .
• A group of related web pages is called a Web site. A web site displays related information on a specific topic.
• The first web page or main page of a website is called Homepage.
• The web pages are stored on the Internet on the Web Server. Web servers are host computers that can store thousands of web pages.

• The process of storing a web page on a web server is called uploading.
• The process of retrieving a web page from a web server onto the user’s computer is downloading.
• The web pages stored on web server on the Internet, can be viewed from the user’s computer using a tool called Web browser.
• Every web page is identified on Internet by its address, also called Uniform Resource Locator (URL).
• A web portal is a web site that presents information from different sources and makes them available in a unified way . A web portal enables the user to search for any type of information from a single location, i.e. the home page of the web portal. A web portal generally consists of a search engine, e-mail service, news, advertisements, and an extensive list of links to other sites etc. www.msn.com and www.google.co.in (igoogle) are popular web portals.

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