Fundamentals

Computer Defintion

• Computer is multi-purpose Electronic Device.
• It takes Input from the User
• It Stores and process it
• It gives the output to user in a required manner

Characteristics od Computer

• Speed
• Accuracy
• Diligence
• Versality
• Storage
• No Ego...

Data :Collection of Raw Facts

Information : Processed Data

Instruction: It is a command given to the computer to perform a task

Program:Set of instructions

Software:Set of programs

Operating System:It is an interface between user and System

Language:Set of Statements

        eg:C,C++,Basic,Cobol,java....

     BASIC  : Begginer's All Symbolic Instruction Code

     COBOL: Common Business Oriented Language

     Fortran  : Formula Translation

Network:Connection with two or more commputers

             LAN   :   Local Area Network
             MAN  :  Metropolitan Area Network
             WAN :  Wide Area Network            

Internet:Network of Networks



Requirements to Connect Internet

• Well Configured System
• Telephone/Cable Connection
• Modem(Modulation -Demodulation)
• ISP(Internet Service Provider)
• Browsing Software(IE,Firefox,Opera,Chrome...)