1
1.1:
System
architecture The
CPU
1.2 Memory & storage
An introduction
to ROM & RAM
•Understand the main types of memory & storage within a
computer system
•Explain the role of ROM & RAM
•Compare the use of ROM & RAM
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An introduction to memory and storage in computer systems, with a focus on ROM and RAM. It explains the differences between primary data storage, secondary data storage, and offline storage, and the role and purpose of each type of memory/storage. It also covers how the main memory and CPU work together when processing instructions and data. several tasks and questions to test the reader's understanding of the topic.
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2021/2022
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System
architecture The
CPU
1.2 Memory & storage
An introduction
to ROM & RAM
- Understand the main types of memory & storage within a computer system
- Explain the role of ROM & RAM
- Compare the use of ROM & RAM
1.2: Memory
Task 1 : Computer data storage
- Computers have to store vast amounts of data
- Such as…?
- Understand the differences between:
- Primary data storage (Main Memory / RAM / ROM)
- Secondary data storage (Hard drives)
- Off-line storage (CD’s, DVD’s USB, Tape)
Explain the role & purpose of each type of memory/storage
1.2: Memory
Types of primary memory
- There are many types of memory used in computers
- The two mains types are:
- RAM ( R andom A ccess M emory)
- ROM ( R ead O nly M emory) RAM ROM
1.2: Memory
Task 2 : RAM vs ROM
RAM ROM What does it stand for? What is often stored in it? What happens to its contents when you turn the power off? Can you read and write data to it?
1.2: Memory
Task 3: ROM or RAM
Using your whiteboards, hold up ROM or RAM to answer the following statements: For programs to be accessed by the CPU the operating system loads them into……….
1.2: Memory
Task 3: ROM or RAM
Using your whiteboards, hold up ROM or RAM to answer the following statements: This type of memory is Volatile
1.2: Memory
Task 3: ROM or RAM
Using your whiteboards, hold up ROM or RAM to answer the following statements: This type of memory is read only
1.2: Memory
Task 3 : ROM or RAM
Using your whiteboards, hold up ROM or RAM to answer the following statements: When the computer is switched off, this type of memory does not have its contents deleted