[Digital Forensics Investigation] 3.1 Intro to computer

Intro to Computer Hardware

3.1.1 Computers

https://www.webopedia.com/TERM/C/computer.html

- Computer (tower - system unit)
- Monitor (output)
- Keyboard (input)
- Mouse (input)

input device : power(controls whether the computer turns on or not),
CD or DVD player (giving data to the computer)
output device : monitor (looking screen)

Older tower

Power source : all of the computer gets its power

Ventilation : necessary to flow the air to prevent the overheat

Newer Tower

 

Motherboard

• SATA cable (orange cable) goes to a CD-Rom
• SATA connection (orange cable) into the keyboard
• Power source is connected to motherboard by Power (white cable)
  • Motherboard is the main brain of the entire computer
  • basicallycontrols everything
• Power source is conntected to everywhere (CD rom, floppy disk, and hard drives)
  • Floppy disk get the power by yellow cable
• Hard drive is connected to motherboard by SATA cable (blue cable)
• In the Motherboard
  • Heat sink : it takes heat away from central processing unit
  • Random access memory
  • PCIe connections
  • Expansion card

 

More about Motherboard

 

• CMOS battery : to save the setup time even if you unplug your computer

※ 이 문서는 한림대학교 Joshua I. James 교수님의 'Digital Forensic Investigation' 을 참고하여 적었음을 밝힙니다.