How Computers Work. The Four Basic Operations The Boot Process Hardware Components & Their Functions Differences in Portable Devices. The Four Basic Computer Operations. Input – Getting data from the outside world into the computer Processing – Manipulating the information
Input – Getting data from the outside world into the computer
Processing – Manipulating the information
Output – Presenting data from the computer to the outside
Storage – Efficiently and inexpensively holding data for later use.
The Basic Input/Output System (BIOS) setup program loads and runs
The Power-On-Self-Test (POST) runs
The Operating System loads
System utilities load
Removable Media Drives
Video, Audio Functionality
Enough power for high class video cards
Special connectors available for SATA Hard Drives and PCI-E video cards
Motherboard may have a 20-pin or 24-pin main connector
How much, based on applications used
What type (SATA or PATA)?
CD Burner, DVD-ROM, DVD Burner (Single Layer or Dual Layer)
How many? Two really make copying disks easy.
4 Form Factors
Little, Teeny, Tiny Cases (VSFF)
External and Internal Drive Bays
Front (Top) Panel Multi-Media Connectors
Cooling System (can also add-on)