Assume the Shared Buffer Is Implemented as a Circular Array

question 6

Multiple Choice

Assume the shared buffer is implemented as a circular array with two logical pointers: in and out. The variable in points to the next free position in the buffer; out points to the first full position in the buffer. Which of the following is true?

• A) The buffer is empty when in == out; the buffer is full when ((in + 1) % BUFFER SIZE) == out;
• B) The buffer is full when in == out; the buffer is empty when ((in + 1) % BUFFER SIZE) == out;
• C) All the elements of the buffer can be used;
• D) Both A and C

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Definitions:

Cerebral Lobes

Divisions of the brain's cerebrum that are responsible for different functions; namely the frontal, parietal, temporal, and occipital lobes.

Simple Reflex

A basic, automatic physiological response to a specific stimulus, involving a simple neural path.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which coordinates and controls body activities.

Synaptic Vesicles

Membrane-bound sacs located within axon terminals, responsible for storing neurotransmitters that are released into the synaptic gap during neurotransmission.