The 7447A is a BCD-to-7-segment decoder with ripple blanking input and output functions. The purpose of these lines is to .

Related MCQs

• The input at the 1, 2, 4, 8 inputs to a 4-line to 16-line decoder with active- low outputs is 1110. As a result, output line 7 is driven LOW.
• The carry output of each adder in a ripple adder provides an additional sum output bit.
• 8: A JK flip-lop has its J input connected to logic level 1 and its input to the Q output. A clock pulse is fed to its clock input. The flip-lop will now
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• A certain BCD-to-decimal decoder has active-HIGH inputs and active- LOW outputs. Which output goes LOW when the inputs are 1001?
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• Three select lines are required to address four data input lines.
• If an S-R latch has a 1 on the S input and a 0 on the R input and then the S input goes to 0, the latch will be
• How many lines the truth table for a four-input NOR gate would contain to cover all possible input combinations ?
• THE FOUR OUTPUTS OF TWO 4-INPUT MULTIPLEXERS, CONNECTED TO FORM A 16-INPUT MULTIPLEXER, ARE CONNECTED TOGETHER THROUGH A 4-INPUT                   GATE