Computer Fundamental

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Computer Fundamental

Computer Fundamental: WHAT IS FULL FORM OF COMPUTER

  C  –  Commonly

  O  –  Operating

  M  –  Machine

  P   –  Particularly

  U   –  Used for

  T   –  Trade

  E   –  Education

  R   –  Research

Computer Fundamental
Computer Fundamental
Computer Fundamental

Micro Computers

These computers are as a personal computer. It is a digital computer that works on a Microprocessor. Micro computers are small machine designed for individual users. Ordinary people who have a basic knowledge of computers can use Micro computers.

Mini Computers

Minicomputers are medium-range computers. They are ideal for small-sized companies. The disadvantage of a mini-computer is that they are large and bulky.

Main Frame Computers

They were massive computers occupying entire rooms or floors. They were used to serve as the center of large systems in companies.

  Now, they are serve users and small servers in a computing network. They are large and expansive.

Super Computers

Super computer is the fastest and most expensive type of equipment. They are high speed processing of data. Some of these applications are molecular chemistry, nuclear research and weather reports.

Computer Fundamental: GENERATION OF COMPUTER                                                   

 There are five types of  Generations:-                          

  • Vacuum Tube Based
  • Transistor Based
  • IC’s Based
  • Micro Processor-Based
  • AI
Computer Fundamental

MICROPROCESSOR

 It is a digital semiconductor device that accepts data, processes it, and gives the output. It is made up of many transistors. The key factor of any microprocessor is its speed, and it is measured in MHz, GHz, etc.

  For Example:– P–IV 2.66Ghz 

Computer Fundamental

MOTHERBOARD

 It is called the Main Board. And the System Board and Green Board. It provides the base for connecting the components and devices of the computer.

 For this Example:- RAM, Expansion cards etc.

Computer Fundamental

INPUT/OUTPUT PORTS

These ports are used for connecting I/P, O/P or storage devices with the computer.

WHAT IS INPUT DEVICE

 Which are used for giving the Input to computer are known as Input devices

Our Example :- Scanner, Key board, Mouse, Joy stick etc.

WHAT IS OUTPUT DEVICE

  Which are used for receiving the result of computer are known as output devices.                                         

   Ex. Monitor, Printer, Speaker, Plotters.

POWER SUPPLY

     It is used for giving power to the computer.  It performs two functions like

  • Convert AC to DC
  • Reduced the voltage and provide the different voltages to different components of the computer system.
Computer Fundamental

      CABINET  

  It is a box or case that store all the internally components of the system.  It has two types like:

  1. Horizontally type
  2. Tower type
Computer Fundamental

MONITOR

   It is an output device. It is called VDU (Visual Display Unit).

 Example :- 14” ,15” ,17” etc.

UPS (Uninterrupted power Supply)

UPS supply current to the system for the user to shut down. When power failure The system safely protecting our system.

Computer Fundamental
raju gujar

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raju gujar

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