Computer Components

Computer Components

1. ROM

   • Read only mempory
     • this means that you can send someone a document and they cannot change it, hence,read only memory .
   • stores data permenantly
   • bootstrap loader program
     • this starts up the computer
   • can hold software updates

2. RAM

   • random access memory

3. motherboard

   • this connects all of the components

4. the CPU is the brains of the computer where most calculations take place.

5. cpu

6. hard disk drive

   • A hard disk drive (HDD) is a non-volatile computer storage device containing magnetic disks or platters rotating at high speeds. It is a secondary storage device used to store data permanently, random access memory (RAM) being the primary memory device

7. a computer executes programs in these steps : fetch decode execute

8. 1 megahertz

   • 1,000,000 cycles per second
   • 1 Hertz

9. 1 gigahertz

   • 1,000,000,000 cycles per second

10. Floppy Drive

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