Online TestCombinational Circuits Objective Questions Combinational Circuits Objective Questions Digital Electronics Objective Questions 0% The carry propagation can be expressed as ______ Cp = AB Cp = A + B’ Cp = A XOR B Cp = A + B Correct!Wrong!- Continue >> Which of the following combinations of logic gates can decode binary 1101? One 4-input AND gate, one OR gate One 4-input AND gate, one inverter One 4-input AND gate One 4-input NAND gate, one inverter Correct!Wrong!- Continue >> For a two-input XNOR gate, with the input waveforms as shown below, which output waveform is correct? a c b d Correct!Wrong!- Continue >> What type of logic circuit is represented by the figure shown below? XOR AND XAND XNOR Correct!Wrong!- Continue >> Which of the circuits in figure (a to d) is the sum-of-products implementation of figure (e)? d a c b Correct!Wrong!- Continue >> 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 Y’ outputs? All are HIGH All are LOW All but are LOW All but are HIGH Correct!Wrong!- Continue >> 3 bits full adder contains 8 combinational inputs 3 combinational inputs 6 combinational inputs 4 combinational inputs Correct!Wrong!- Continue >> The device shown here is most likely a ______ Inverter Demultiplexer Multiplexer Comparator Correct!Wrong!- Continue >> Which of the following logic expressions represents the logic diagram shown? X=(AB)’+A’B’ X=AB’+A’B X=A’B’+AB X=(AB)’+AB Correct!Wrong!- Continue >> What is the indication of a short to ground in the output of a driving gate? Only the output of the defective gate is affected There is a signal loss to all load gates The affected node will be stuck in the HIGH state The node may be stuck in either the HIGH or the LOW state Correct!Wrong!- Continue >> Share the quiz to show your results ! Facebook Facebook Just tell us who you are to view your results ! Show my results >> Combinational Circuits I got %%score%% of %%total%% right ↺ PLAY AGAIN ! Share With Your Friends Facebook Twitter LinkedIn Pinterest Email WhatsApp
