Revision 7.2

Revision 7.2

1. What Is Hardware

   • Hardware is physical parts of the computer. Some parts include the graphics card, hard disk drive or a CD drive.

2. Input And Output

   • Input is any piece of computer hardware used to provide data.
   • Output is when any piece of computer hardware is used to process data.

3. Memory is the part of the computer that stores all the data.

4. RAM stands for random access memory which is a fast temporary type of memory in which programs and data is stored.

5. The CPU is the central processing unit is where processing happen.

6. Magnetic storage is good because it is relatively cheap per unit of storage

   • Magnetic storage can be bad however because it can easily be broken and will slow down.
   • Solid State is good because it is very compact and easy to store.
     • Solid state can be bad because it is more expensive than magnetic.
       • Optical storage can be good because it can hold more storage than a normal CD and is cheap.
         • Optical storage can be bad because it can be scratched easily and damaged.