Question: In producer–consumer problem using shared memory ,Select appropriate statement from the below.

Answer:

One solution to the producer–consumer problem uses shared memory. To allow producer and consumer processes to run concurrently, we must have available a buffer of items that can be filled by the producer and emptied by the consumer. This buffer will reside in a region of memory that is shared by the producer and consumer processes. A producer can produce one item while the consumer is consuming another item. The producer and consumer must be synchronized, so that the consumer does not try to consume an item that has not yet been produced

MCQ: In producer–consumer problem using shared memory ,Select appropriate statement from the below.

A. we must have available a buffer of items that can be filled by the producer and emptied by the consumer
B. A producer can consume one item while the consumer is producing another item
C. No synchronization required between The producer and consumer , so that the consumer does not try to consume an item that has not yet been produced.
D. the buffer will reside in a region of memory that need not be to shared by the producer and consumer processes.

Correct Answer: A. we must have available a buffer of items that can be filled by the producer and emptied by the consumer

Explanation:

One solution to the producer–consumer problem uses shared memory. To allow producer and consumer processes to run concurrently, we must have available a buffer of items that can be filled by the producer and emptied by the consumer. This buffer will reside in a region of memory that is shared by the producer and consumer processes. A producer can produce one item while the consumer is consuming another item. The producer and consumer must be synchronized, so that the consumer does not try to consume an item that has not yet been produced