Verified Answer :

meerkat18

7 Basic Internal Component found in a computer tower:

1) Power Supply
2) Central Processing Unit (CPU)
3) Hard Disk Drive (HDD)
4) Motherboard
5) Video card
6) Random Access Memory (RAM)
7) Sound Card

*Expansion Card, Network Card, Bluetooth Card

zexius

1 - Central Processing Unit (CPU)
2 - Power Supply (PSU)
3 - Graphics/Video Card (GPU)
4 - Motherboard 
5 - Random Access Memory (RAM)
6 - Hard Drive (or any other form of main storage, e.g. Solid State Drive or Hybrid Drive) (HDD/SSD/SSHD)
7 - Sound Card

Related Questions