4. Motherboard Hosts all hardware of the computer. (It’s one big communication highway!)
5. Processor & Processor in Motherboard CPU (central processing unit) is like the brains of the computer. They help process most of the commands from the computer’s hardware and software. There are different CPU’s depending on how fast you want your computer to complete tasks.
6. Heat Sink and Fan Helps to keep the computer from overheating
7. RAM (Random Access Memory) helps store computer data (ROM & flash-memory)
9. Optical Disc Drive Reads and writes data to or from optical discs (CDs, DVDs, Blu-ray) Some drives can only read from discs, but recent drives are commonly both readers and recorders.
10. Graphics Card Generates images to a display. 90% of computers on the market have video hardware integrated into the mother board but this is undesirable for running 3D applications
11. Modem Allows the computer the receive internet...can by bypassed by a router to have wifi
12. Sound Card facilitates the input and output of audio signals to and from a computer under control of programs