COMPUTER

COMPUTER

1. hardware

   • internal components
     • THE MOTHERBOARD is the main circuit board that all other computer components either sit in or are connected to.
       • THE PROCESOR is probably the most important internal part of your computer, as it is where almost all of the computations required to run the computer take place.
         • When the processor needs information for a particular program or task, it first loads that data into random access memory. or RAM.
           • If RAM is one side of the computer's storage solution, THE HARD DRIVE is the other.
             • THE VIDEOCARD While some older motherboards have built-in video, most modern systems require a separate video card to output graphics
               • THE POWER SUPPLY is generally located in one corner of the back side of your computer case.
   • external components
     • also called peripheral components
       • mouse, keyboard, microphone, camera, touchpad, stylus, joystick, scanner..

2. software

   • Computer’s logical support
   • Operating system, program, applications
   • When a computer is turned on: BIOS starts working
   • It hands control of the computer to operating system
   • structure of information
     • Hard disks
       • boot sector
       • partitions
         • primary
         • extended
           • one or more logical partition
     • File system:
       • formatting.
       • uses its own file systems
   • Mobile devices
     • Specific
       • processor sensors connectivity screen energy consumption
     • Operating systems;
     • Mobile applications (apps)

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