MEMORY UNIT (SECONDARY TYPE)

Computer Science ICT SSS2 FIRST Term

WEEK 5

MEMORY UNIT (SECONDARY TYPE)

Reference book: Computer Studies for Beginners. By: Adekunle O. Eyitayo. Welcome to Computer Studies. By: Boye Jokotoye

Content

The memory unit is divided into two:

(a)    Random Access Memory (RAM)

(b)    Read Only Memory (ROM)

Random Access Memory (RAM) is a volatile memory.  It is used to store data temporarily in case of power failure, if not, all information on it will be lost.

Read Only Memory (ROM) is usually non-volatile memory because it will not lose its content in case of power failure.  They are designed to store information permanently.

CONCLUSION

The processing device is the Central Processing Unit (CPU), which is the brain of the computer,…