Main Memory

What is cache memory?

• None of the above.
• A storage space used for long-term data storage.
• A temporary storage space that holds the most frequently accessed data.
• A permanent storage location for all data.

What is the purpose of cache memory?

• To compress data for efficient storage.
• To store all data permanently.
• To provide faster access to frequently used data.
• None of the above.

How does cache memory improve computer performance?

• None of the above.
• By increasing the CPU speed.
• By reducing the average time to access data.
• By expanding the main memory capacity.

What is the size of cache memory generally?

• Equal to main memory.
• None of the above.
• Larger than main memory.
• Small compared to main memory.

What happens when a requested data is not found in cache memory?

• It is fetched from the main memory and stored in cache for future use.
• The computer crashes.
• None of the above.
• The CPU executes a cache miss instruction.

What is cache hit rate?

• The percentage of memory accesses that result in cache hits.
• The capacity of cache memory.
• None of the above.
• The speed at which data is transferred between cache and main memory.

What is cache eviction?

• None of the above.
• The process of compressing data in cache.
• The process of transferring data from cache to main memory.
• The process of removing data from cache.

What does RAM stand for?

• Read Address Memory
• Read Access Memory
• Random Address Memory
• Random Access Memory

What is the main function of RAM in a computer?

• To perform arithmetic and logical operations
• To store data permanently
• To provide temporary storage for data and instructions
• To control input and output devices

Which one has the fastest access speed?

• DDR
• DDR2
• DDR3
• DDR4