7000+ Digital Circuits MCQ Questions and Answers Pdf - 1

Question: 1

State transition table and state transition diagrams form part of the design steps is the case of

(A) Amplifier circuits

(B) Delay circuits

(C) Sequential circuits

(D) Combinational circuits

Question: 2

In a master slave JK flip-flop

(A) Master is positive edge triggered and slave is negative edge triggered

(B) Master is negative edge triggered and slave is positive edge triggered

(C) Both master and slave are negative edge triggered

(D) Both master and slave are positive edge triggered

Question: 3

A binary full subtractor

(A) Can be made out of a full adder

(B) Can subtract any binary number

(C) Contains two half subtractors and one OR gate

(D) Consists of two cascaded half subtractors

Question: 4

According to De-Morgan’s second theorem

(A) A NAND gate is always complementary to an AND gate

(B) A NAND gate is equivalent to a bubbled OR gate

(C) A NAND gate is equivalent to a bubbled AND gate

(D) A NAND gate is equivalent to a bubbled NAND gate

Question: 5

A flip-flop is a

(A) Combinational logic circuit and level sensitive

(B) Sequential logic circuit and level sensitive

(C) Combinational logic circuit and edge sensitive

(D) Sequential logic circuit and edge sensitive