hardware circular buffer - meaning and definition. What is hardware circular buffer
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What (who) is hardware circular buffer - definition

DATA STRUCTURE
Ring Buffer; Ring buffer; Circular queue; Ringbuffer; Ring (data structure); Cyclic buffer; Circular log
  • A 24-byte keyboard circular buffer. When the write pointer is about to reach the read pointer—because the microprocessor is not responding—the buffer stops recording keystrokes. On some computers a beep would be played.

hardware circular buffer      
<programming, hardware> digital signal processors which support hardware circular buffers automatically generate and increment pointers for memory accesses which wrap to the beginning of the buffer when its end is reached, thus saving the time and instructions otherwise needed to ensure that the address pointer stays within the boundary of the buffer, and speeding the execution of repetitive DSP algorithms. {Digital Signal Processor For Digital Audio Applications (http://analog.com/publications/documentation/21065L_Audio_Tutorial.PDF)}. (2000-06-17)
circular buffer         
<programming> An area of memory used to store a continuous stream of data by starting again at the beginning of the buffer after reaching the end. A circular buffer is usually written by one process and read by another. Separate read and write pointers are maintained. These are not allowed to pass each other otherwise either unread data would be overwritten or invalid data would be read. A circuit may implement a hardware circular buffer. (2000-06-17)
buffer state         
COUNTRY LOCATED BETWEEN TWO OTHER MUTUALLY HOSTILE COUNTRIES
Buffer State; Buffer states; Buffer republic; Buffer colony
(buffer states)
A buffer state is a peaceful country situated between two or more larger hostile countries.
Turkey and Greece were buffer states against the former Soviet Union.
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Wikipedia

Circular buffer

In computer science, a circular buffer, circular queue, cyclic buffer or ring buffer is a data structure that uses a single, fixed-size buffer as if it were connected end-to-end. This structure lends itself easily to buffering data streams. There were early circular buffer implementations in hardware.