HARDWARE

HARDWARE

1. EXTERNAL COMPONENTS

   • MONITOR
     • KEYBOARD
       • MICROPHONES
         • MOUSE
           • WEBCAM

2. INTERNAL COMPONENTS

   • MOTHERBOARD
     • holds the CPU, the memory chips and various connections
   • VIDEOCARD
     • generates video output to the monitor, have their own processor and memory
   • SOUND CARD
     • deals with the input and output of the sound
   • INTERNAL MEMORY
     • ROM
       • Non-Volatile
     • RAM
       • Temporary store
       • volatile
   • BACKING STORAGE,HARD DRIVE
     • Save information
     • INTERNAL STORAGE UNITS
       • Hard disk drive
       • Solid state disk
     • EXTERNAL STORAGE UNITS
       • ONLINE STORAGE
         • cloud
       • CDs,DVD,BLUE RAY.
   • MAIN PORTS AND CONNECTORS
     • PORTS
       • USB
     • CONNECTORS
       • NETWORK
       • GRAPHIC

3. ALL PHYSICAL PARTS

4. SOFTWARE

   • Computer’s logical support
   • Operating system, program, applications
   • When a computer is turned on: BIOS starts working (ROM)
   • It hands control of the computer to operating system (Windows, Linux, Mac OS…)
   • HARD DISKS
     • BOOT SECTOR
     • one or more partitions
       • PRIMARY
       • EXTENDED
   • STRUCTURE OF INFORMATION
     • File system: the way files are stored, organised and managed.
       • Each OS uses its own file systems, which have been designed to obtain maximum performance with a specific OS or medium.
       • For the partition and its drives to be usable, it must first be assigned a file system. This operation is called formatting.
       • OS
       • MAC OS
       • WINDOWS
       • LINUX
   • FILES AND FOLDERS
     • File: block of data that is stored under one name (filename)
       • Files can be executable (contains a program or application) or non-executable.
       • Directories or folders are required to organise information in a tree-like structure