[hardware] Computer Introduction Part 1


There is an area of study that attracting me recently, besides programming (well…the reality is I attracted to many things). OK, the post ahead will discuss about the computer’s hardware beside a lot of post about programming, me and every area I interested in, yaay. I am about to make a specific categories about the computer’s hardware and software.

COMPUTER
Computer nowadays has been known trough out the world, but some of them know computer just as form of a desktop computer or notebook computer. Where they were slightly misunderstood the main idea of computer.
Computer is electronic device, operating under the control of instructions stored in its own memory.
or according to wikipedia
Computer is a general purpose device that can be programmed to carry out a finite set of arithmetic or logical operations. Since a sequence of operations can be readily changed, the computer can solve more than one kind of problem.

So, Computer is not only about PC, but every electronic device who process the input to produce an output and capable of storing the file. a computer it self contains many electrics, electronics and mechanical components known as hardware. And this hardware things divided to :

  • Input Device : allows you to enter data and instruction into the computer

    Input Devices

    Input Devices

  • Output Device : Hardware component that conveys information to one or more people

    Output Devices

    Output Devices

  • System Unit : Case that contains the electronic components of the computer that are used to process data

    System Unit

    System Unit

  • Storage Device : Holds data, instructions, and information for future use

    Storage Devices

    Storage Devices

  • Communication Device : Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices

Computer also grouped into several categories according to size and purposes.

  • Personal Computer
    Personal computer can perform all of its input, processing, output and storage activities by itself.

    Personal Computer

    Personal Computer

  • Mobile Computers and mobile devices
    Mobile Computer : Personal computer you can carry from place to place. Ex : notebook
    Mobile device : Computing device small enough to hold in you hand. ex : Smart phone, PDA.

    Mobile Computers and Mobile devices

    Mobile Computers and Mobile devices

  • Game consoles
    Game console is a mobile computing device designed for single player or multiplayer video games.

    Game Consoles

    Game Consoles

  • Servers
    A server controls access to the hardware, software and other resources on a network.

    Servers

    Servers

  • Mainframes
    is a large, expensive, powerful computer that can handle hundreds or thousands of connected user simultaneously.

    Mainframe

    Mainframe

  • Supercomputers
    is the fastest, most powerfull computer

    Supercomputer

    Supercomputer

  • Embedded computers

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