STLD Quiz B SECTION BATCH3

Which of the following is a type of digital logic circuit?

• Combinational logic circuits

• Sequential logic circuits

• Both Combinational & Sequential logic circuits

• None of the mentioned

Which gates in Digital Circuits are required to convert a NOR-based SR latch to an SR flip-flop?

• Two 2 input AND gates

• Two 3 input AND gates

• Two 2 input OR gates

• Two 3 input OR gates

When does a negative level triggered flip-flop in Digital Electronics changes its state?

• When the clock is negative

• When the clock is positive

• When the inputs are all zero

• When the inputs are all one

Which of the following options represent the synchronous control inputs in an S - R flip flop?

• S

• R

• Clock

• Both S and R

What must be used along with synchronous control inputs to trigger a change in the flip flop?

• 0

• 1

• Clock

• Previous output

What will be the output from a D flip - flop if the clock is low and D = 0?

• 0

• 1

• No change

• Toggle between 0 and 1

What will be the output from a D flip-flop if D = 1 and the clock is low?

• No change

• Toggle between 0 and 1

• 0

• 1

What input should be given to "S" when SR flip - flop is converted to JK flip - flop?

• K.Q

• K.Q

• J.Q

• J.Q

What value is to be considered for a "don't care condition"?

• 0

• 1

• Either 0 or 1

• Any number except 0 and 1

What gate is placed between clock input and the input of AND gate to convert a positive level triggered flip - flop to a negative level triggered flip - flop?

• NOR gate

• NOT gate

• Buffer

• NAND gate