Online TestCombinational Circuits Objective Questions Share0 Combinational Circuits Objective Questions Digital Electronics Objective Questions 0% 3 bits full adder contains 3 combinational inputs 8 combinational inputs 4 combinational inputs 6 combinational inputs Correct! Wrong! - Continue >> Which of the following logic expressions represents the logic diagram shown? X=(AB)’+A’B’ X=AB’+A’B X=(AB)’+AB X=A’B’+AB Correct! Wrong! - Continue >> For a two-input XNOR gate, with the input waveforms as shown below, which output waveform is correct? c d 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 4-input AND gate, one inverter One 4-input NAND gate, one inverter Correct! Wrong! - Continue >> Which of the circuits in figure (a to d) is the sum-of-products implementation of figure (e)? c b d a Correct! Wrong! - Continue >> The carry propagation can be expressed as ______ Cp = AB Cp = A XOR B Cp = A + B Cp = A + B’ Correct! Wrong! - Continue >> The device shown here is most likely a ______ Multiplexer Comparator Inverter Demultiplexer Correct! Wrong! - Continue >> What is the indication of a short to ground in the output of a driving gate? The affected node will be stuck in the HIGH state Only the output of the defective gate is affected The node may be stuck in either the HIGH or the LOW state There is a signal loss to all load gates Correct! Wrong! - Continue >> What type of logic circuit is represented by the figure shown below? XNOR XAND AND XOR 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 but are HIGH All are LOW All but are LOW 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 Share your results Facebook Facebook Twitter Google+ ↺ PLAY AGAIN !