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Interrupts in Processor Sequencing Quiz

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Questions and Answers

What is the main purpose of cache memory?

To store program and data files

To provide a fast, small memory that holds copies of frequently accessed main memory locations (correct)

To exploit the principle of locality with a small, fast memory

To interact with other memory management hardware

What is the relationship between cache memory and main memory?

Cache memory is invisible to the operating system

Cache memory is used to store program and data files

Cache memory is a copy of a portion of main memory (correct)

Cache memory is used to store secondary memory

How does cache memory exploit the principle of locality?

By accessing memory at least once per instruction cycle

By being invisible to the operating system

By interacting with other memory management hardware

By storing a copy of a portion of main memory that is likely to be accessed in the near future (correct)

What is the relationship between cache memory and processor execution?

Processor execution is limited by main memory cycle time Signup and view all the answers

What is the role of secondary memory in the memory hierarchy?

Secondary memory is used to store program and data files Signup and view all the answers

What is the primary purpose of interrupts in a processor?

To improve processor utilization by allowing it to handle other tasks while waiting for slower devices Signup and view all the answers

How does a processor handle multiple interrupts occurring simultaneously?

It uses a priority scheme to determine which interrupt to handle first Signup and view all the answers

What is the relationship between memory access speed and cost per bit in the memory hierarchy?

Faster access time means greater cost per bit Signup and view all the answers

What is the hit ratio in the context of a two-level memory system?

The fraction of memory accesses that are found in the faster memory level Signup and view all the answers

What is the principle of locality in the context of memory references?

Memory references by the processor tend to cluster in specific regions of memory Signup and view all the answers

What is the relationship between memory capacity and cost per bit in the memory hierarchy?

Greater capacity means smaller cost per bit Signup and view all the answers