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MSI Logic Circuits - Technical MCQs

Q1:

The BCD/DEC decoder shown in figure (a) is examined with a logic analyzer and the results are shown in the waveforms in figure (b). What, if anything, is wrong with the circuit?

A The "2" output is shorted to Vcc.

B The A1 input is internally open.

C The A1 input node is internally stuck LOW.

D Nothing is wrong with the circuit.

ANS:C - The A1 input node is internally stuck LOW.

No answer description is available.