Hardware

Hardware

1. physical parts of a computer and related device

2. Internal components

   • Motherboard
     • main circuit board of a computers
       • Chipset
   • Video card
     • a circuit board that generates video output to the monitor
   • Sound card
     • a circuit board that deals with the input and output of the sound
   • Internal memory
     • Rom
     • Ram
   • Backing storage
     • the hard drive
     • Internal
       • Hard disk drive
       • Solid State Disk
     • External
       • CDs, DVD, Blu-Ray, USB flash drives, memory cards
     • Online
       • means storing data on the file servers of an Internet Service Provider.

3. External Components

   • Keyboard
   • Mouse
   • Pinter
   • Scanner
   • Monitor

4. Ports and connectors

   • Ports
     • are used to connect input/output peripherals to the motherboard
       • USB: permits interconnection with practically any device. USB connection carries data and electrical current
   • Connectors:
     • RJ45
     • VGA / DVI-VGA / HDMI

5. Computer

   • Sofware
     • programs that a computer runs
       • operating system
       • Application software
     • BIOS
       • store in ROM
     • hands control of the computer to operating system
       • Interface between user and computer
       • controls & operates computer hw and programs
       • enables users to share hw and data and plan resources
       • facilitates data input and output
     • Structure of information
       • Hard disks
         • boot sector
         • partitions
           • primary
           • extended
           • name each partition with a different letter
       • File system
         • he 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.
         • formatting.
     • File
     • extension
       • executable (contains a program or application)
       • non-executable.
     • folders
     • Specific characteristics p
       • processor
       • sensors
       • screen
       • energy consmption
       • conectivity