55. When is it important to use a three-state buffer?
(a) when two or more outputs are connected to the same input (b) when all outputs are normally HIGH (c) when all outputs are normally LOW (d) when two or more outputs are connected to two or more inputs
Answer
Answer : (a)
Explanation
Explanation : No answer description available for this question. Let us discuss.
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555555555549. For the device shown here, assume the D input is LOW, both S inputs are LOW, and the input is LOW. What is the status of the outputs? (a) All are HIGH. (b) All are LOW. (c) All but are LOW. (d) All but are HIGH.
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Shift Registers » Exercise - 154. What does the output enable do on the 74395A chip? (a) It determines when data can be loaded. (b) It forces all outputs to go HIGH. (c) It forces all outputs to go LOW. (d) It activates the three-state buffer.