Digital Electronics - Study Mode
[#11] Which are the two basic operations performed in ADCs?
Correct Answer
(C) Quantization and Coding
[#12] In NOR-NOR configuration, the minimum number of NOR gates needed to implement the switching function $${ ext{X}} + { ext{X}}overline { ext{Y}} + { ext{X}}overline { ext{Y}} { ext{Z}}$$ xa0xa0 is:
Correct Answer
(D) 0
[#13] The complement of the Boolean expression $${ ext{AB}}left( {overline { ext{B}} { ext{C}} + { ext{AC}}}
ight)$$
Correct Answer
(A) $$left( {overline { ext{A}} + overline { ext{B}} }
ight) + left( {{ ext{B}} + overline { ext{C}} }
ight)left( {overline { ext{A}} + overline { ext{C}} }
ight)$$
[#14] For the circuit shown in the figure, the delay of the bubbled NAND gate is 2 ns and that of the counter is assumed to be zero. If the clock (Clk) frequency is 1 GHz, then the counter behaves as a
Correct Answer
(D) mod-8 counter
[#15] Which one of the following statements is correct?
Correct Answer
(B) Maximum delay in n bit parallel adder is 'nd', where d is delay of full adder
(E) Static 1 hazard may occur in a 2-level AND-OR gate network