CIRCULAR BUFFER
\sˈɜːkjʊlə bˈʌfə], \sˈɜːkjʊlə bˈʌfə], \s_ˈɜː_k_j_ʊ_l_ə b_ˈʌ_f_ə]\
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An area of memory used to store a continuousstream of data by starting again at the beginning of thebuffer after reaching the end. A circular buffer is usuallywritten by one process and read by another. Separate read andwrite pointers are maintained. These are not allowed topass each other otherwise either unread data would beoverwritten or invalid data would be read.A circuit may implement a hardware circular buffer.
By Denis Howe
