Index

TECHNICAL SUPPORT FUNDAMENTALS

  1. INTRO -> IT
    1. HISTORY OF COMPUTING
    2. DIGITAL LOGIC
    3. COMPUTER ARCHITECTURE LAYER
  2. HARDWARE
    1. The Modern Computer
    2. MOBILE DEVICES
    3. PERIPHERALS
    4. STARTING IT UP
  3. OPERATING SYSTEM
    1. INTO KERNEL
    2. USER SPACE
    3. INSTALLING OS
  4. NETWORKING
    1. INTERNET
  5. SOFTWARE
  6. TROUBLESHOOTING

COMPUTER ARCHITECTURE LAYER

Abstraction : Take a relatively complex system and simplify it for our use.
Ex: Error Message .

COMPUTER ARCHITECTURE:
Hardware : Made up of physical components of a computer

OS : Allows hardware to communicate with the system

Software Layer : how humans interact with the computer

User : Operate, Maintain and Program