computer hardware

computer hardware

1. RAM

   • Stores the programs, parts of the operating system and the files currently being used.

2. Stores all the programs, operating systems and files needed for the computer system to run.

   • hard drive

3. CPU

   • Fetches, decodes and executes data and/or instructions.

4. cores

   • The number of processors in the CPU which run the fetch decode execute cycle at the same time.

5. clock speed

   • How many times the CPU can perform the fetch decode execute cycle per second.

6. hertz

   • The speed measurement used for a CPU.

7. optical storage

   • Data is written and read with a laser. CDs, DVDs and Blu-Ray are examples of this type of storage.

8. magnetic storage

   • Data is stored by magnetising the surface of flat, circular plates called platters. These platters rotate at a very high speed.