It's Exam Season !
From all of us at Edukatte, we wish you the very best of luck in your upcoming CXC exams! Stay focused, believe in yourself, and remember that all your hard work will pay off. You've got this!
Memory
This section describes all attributes of memory
Author:
Zachary Kublalsingh
Edu Level: Unit1
Date: Aug 17, 2024
⏱️Read Time: 1 min
NO CONTENT OUTLINE
The function of each of the following Memory types:
- ROM
Long term memory which stores the information necessary for the boot up of the computer
- RAM
Short term memory which stores information that is currently being processed
- EPROM
Programmable ROM which can be erased and reused
- EEPROM
Programmable ROM which can be erased and reused using an electrical charge
The purpose of each Memory features and an example of each:
- Speed
The faster the number the faster your computer can store and retrieve data e.g. RAM
- Size
The overall capacity 6GB etc
- word size
The maximum number of bits the CPU can process at one time
- Volatility
Whether it is permanent or temporary
<divclass="container-table">
| CAPACITY | ACCESS SPEED | ACCESS METHOD | PORTABILITY | |
|---|---|---|---|---|
| Hard drive | 500GB-12TB | Slow | Direct | Low |
| DVD | 4.7GB | Slow | Index Sequential | High |
| External Hard drive | 1TB | Slow | Mid | |
| Memory card | 2GB-2TB | Fast | Direct | High |