52. The primary purpose of a three-state buffer is usually:
(a) to provide isolation between the input device and the data bus (b) to provide the sink or source current required by any device connected to its output without loading down the output device (c) temporary data storage (d) to control data flow
Answer : (a)
Explanation : No answer description available for this question. Let us discuss.
Shift Registers » Exercise - 168. How can parallel data be taken out of a shift register simultaneously? (a) Use the Q output of the first FF. (b) Use the Q output of the last FF. (c) Tie all of the Q outputs together. (d) Use the Q output of each FF.
Shift Registers » Exercise - 150. What is the function of a buffer circuit? (a) to provide an output that is inverted from that on the input (b) to provide an output that is equal to its input (c) to clean up the input (d) to clean up the output