1.2 Memory

1.2 Memory

1. Cpu

   • central processing unit
   • fetch decode execute cycle
   • aka processor or micro processor

2. RAM

   • Random Access Memory
   • not part of cpu
   • allow information to be stored and retrieved on a computer
   • associated with DRAM

3. volatile

   • Gets emptied when computer turned off
   • non volatile
     • Doesnt lose data when turned off
     • secondary storage

4. Firmware

   • perminant software programmed to rom

5. BOIS

   • Basic input/output system contains programs

6. ROM

   • read only memory
   • not part of cpu

7. virtual memory

   • a temporary storage
   • located on hard disk

8. portable

   • a computer small enough to carry
   • eg: Notebook and Subnotbook computers

9. Virtual memory

   • a temporaty storage

10. internal storage

    • inside

11. external

    • outside

12. DRAM

    • Dynamic random access memory
    • used for data or program code that a computer processor needs to function.