Which gates in Digital Circuits are required to convert a NOR-based SR latch to an SR flip-flop?
a) Two 2 input AND gates
b) Two 3 input AND gates
c) Two 2 input OR gates
d) Two 3 input OR gates
Q.2.
What characteristic will a TTL digital circuit possess due to its multi-emitter transistor?
a) Low capacitance
b) High capacitance
c) Low inductance
d) High inductance
Q.3.
What input should be given to “S” when SR flip – flop is converted to JK flip – flop?
a) K.Q
b) K.Q
c) J.Q
d) J.Q
Q.4.
What value is to be considered for a “don’t care condition”?
a) 0
b) 1
c) Either 0 or 1
d) Any number except 0 and 1
Q.5.
What is the group ofin 4 cells of a K – map called?
a) Pair
b) Quad
c) Octet
d) Octave
Q.6.
What will be the frequency of the output from a JK flip – flop, when J =K =and a clock with pulse waveform is given?
a) Half the frequency of clock input
b) Equal to the frequency of clock input
c) Twice the frequency of clock input
d) Independent of the frequency of clock input
Q.7.
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?
a) NOR gate
b) NOT gate
c) Buffer
d) NAND gate
Q.8.
What will a TTL digital circuit possess due to the presence of a multi – emitter transistor?
a) Smaller resistance
b) Larger area
c) Smaller area
d) Larger resistance
Q.9.
How must the output of a gate act when it is LOW in a TTL circuit?
a) Acts as a voltage source
b) Acts as a current sink
c) Acts as a current source
d) Acts as a voltage sink
Q.10.
Which of the following gives the correct number of multiplexers required to build ax 1 multiplexer?
a) Two 16 x 1 mux
b) Three 8 x 1 mux
c) Two 8 x 1 mux
d) Three 16 x 1 mux
Q.11.
What must be the input given to “R” when SR flip – flop is converted to JK flip – flop?
a) K.Q
b) K.Q
c) J.Q
d) J.Q
Q.12.
What minimum distance is required for a single error correction according to Hamming’s analysis in Digital Electronics?
a) 1
b) 2
c) 3
d) 4
Q.13.
How many errors can the Digital Electronics parity method can find in a single word?
a) Single error
b) Double error
c) Triple error
d) Multiple errors
Q.14.
What is the group ofpresent in 8 cells of a K – map called?
a) Pair
b) Quad
c) Octet
d) Octave
Q.15.
Which of these flip – flops cannot be used to construct a serial shift register?
a) D – flip flop
b) SR flip – flop
c) T flip – flop
d) JK flip – flop
Q.16.
Which of these options represent the other name of Inter – Integrated logic?
a) Merged Transistor Logic
b) Emitter – Coupled Logic
c) High threshold logic
d) Resistor – Transistor logic
Q.17.
Which of the following options is a Current – Mode logic used in Digital Circuits?
a) TTL
b) RTL
c) ECL
d) IIC
Q.18.
How many AND gates are required to construct a 4 – bit parallel multiplier if four 4 – bit parallel binary adders are given?
a) Four 2 – input AND gates
b) Eight 2 – input AND gates
c) Sixteen 2 – input AND gates
d) Two 2 – input AND gates
Q.19.
How many cycles of addition and shifting in a 4 – bit multiplier are required to perform multiplication using the shift method?
a) 1
b) 2
c) 4
d) 8
Q.20.
How many 4 – bit parallel binary adders will be required to construct a 4 – bit parallel multiplier?
a) 1
b) 2
c) 4
d) 8
Support mcqgeeks.com by disabling your adblocker.
Please disable the adBlock and continue. Thank you.