7 Components of the Computer
MotherBoard: The Spine of the computer everything connects to it.
Power Supply Unit (PSU)): delivers electricity like the heart delievers blood.
CPU (Central Processing Unit) : It does all the calculations (computing) for the computer (brain).
Ram (Random Access Memory): Its the short term memory of the computer; it helps speeing up the proccesses of the cpu.
Hard Drive (HDD): Its a magnetic dish that hold all the information of a computer. It is its long term memory.
Video Card: Display images on your screen.  (Approximatly your visual system)
Cd Rom Drive: Replaced the floppy. A flppy holds 1.44 MB. A CD holds 700 mb (aprocimately 80 minutes of music). A single layer DVD holds 4.7 GB of information and a dual layer DVD un general is 8.5 GB.