7. Ram (Random accessing memory)
The Ram is the main memory of the computer
and is fond in the mother board.
8. PCB (printed circuit board)
PCBs or adapter cards come in twos, the sound
card and the video and graphics card. They
enhance the sound and video quality on the
computer.
10. FDD (floppy disk drive)
A drive that can read or write on a removable
magnetically coated floppy disk. It is a type of
storage medium and back up device.
11. HDD (hard disk drive)
A drive that can run on a magnetically coated
platter, that spins at high speed. There can be
more than one in a platter in the hard drive.
While the platter is rotating the magnetic head
reads the data stored on it.
12. Optical drives
There are two types of optical drives, the DVD
drive is a built in DVD player. DVD players allow
the computer to read DVD’s and show their
data. The other optical drive is a CD-ROM drive,
it allows the computer to run CD-ROM’s.