Question

Which buffer is important for the signal data?

(a) double buffer

(b) single buffer

(c) linear buffer

(d) directional buffer

The question was asked during a job interview.

Origin of the question is Types of Buffers topic in portion Buffering and other Data Structures of Embedded Systems

Answer 1

The correct answer is (d) directional buffer

The explanation is: The directional buffer is used for the signal data or for the data which is sampled periodically. The data must be kept in the same order in order to preserve it in chronological order.