NEW
Font size
WorksheetsDigital Logic Quiz
Total questions: 34
Worksheet time: 17mins
The given hexadecimal number (1E.53)16 is equivalent to ____________
(35.684)8
(36.246)8
(34.340)8
(35.599)8
What is the addition of the binary numbers 11011011010 and 010100101?
0111001000
1100110110
11101111111
10011010011
The expression for Absorption law is given by _________
A + AB = A
A + AB = B
AB + AA' = A
A + B = B + A
The Output is LOW if any one of the inputs is HIGH in case of a _________ gate.
NOR
NAND
OR
AND
If A and B are the inputs of a half adder, the sum is given by __________
A AND B
A OR B
A XOR B
A EX-NOR B
Let A and B is the input of a subtractor then the output will be ___________
A XOR B
A AND B
A OR B
A EXNOR B
Which of the following is correct for Digital Circuits?
Less susceptible to noise or degradation in quality
Use transistors to create logic gates to perform Boolean logic
Easier to perform error detection and correction with digital signal
All of the mentioned
The octal number (651.124)8 is equivalent to ______
(1A9.2A)16
(1B0.10)16
(1A8.A3)16
(1B0.B0)16
Binary subtraction of 100101 - 011110 is?
000111
111000
010101
101010
Which of the following correctly describes the distributive law.
(A+B)(C+D)=AB+CD
(A+B).C=AC+BC
(AB)(A+B)=AB
(A.B)C=AC.AB
The complement of the input given is obtained in case of:
NOR
AND+NOR
NOT
EX-OR
If A and B are the inputs of a half adder, the carry is given by __________
A AND B
A OR B
A XOR B
A EX-NOR B
Let A and B is the input of a subtractor then the borrow will be ___________
A AND B'
A' AND B
A OR B
A AND B
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 of the following is the complement of A + B?
A'B'
A' + B'
AB
A + B'
According to De Morgan's theorem, (AB)' is equal to:
A' + B'
A'B'
AB
A + B
Which of the following is an Idempotent Law in Boolean Algebra?
A + A = A
A + 1 = 1
A + 0 = A
A + A' = 1
What is the result of A + A'B?
1
A + B
B
A' + B
Which of the following is correct according to Absorption Law?
A + AB = A
A(A + B) = B
A + A'B = B
A + B = AB
What is the result of A ⊕ A?
1
A
0
A'
Which theorem states that A + A'B = A + B?
De Morgan's theorem
Absorption theorem
Distribution theorem
Consensus theorem
Which of the following is a Universal Gate?
AND
OR
XOR
NAND
The output of an AND gate is 1 when:
Any input is 1
All inputs are 1
All inputs are 0
Any input is 0
Which Boolean identity is used in A + AB = A?
Idempotent Law
Absorption Law
De Morgan's Law
Complement Law
Which of the following is a combinational circuit?
Flip-Flop
Counter
Multiplexer
Shift Register
How many select lines are needed for an 8-to-1 multiplexer?
2
3
4
8
A Half-Adder consists of which gates?
AND and OR
XOR and AND
XOR and OR
NAND and NOR
A Full-Adder has how many inputs and outputs?
2 inputs, 1 output
3 inputs, 2 outputs
2 inputs, 2 outputs
3 inputs, 1 output
Which combinational circuit is used to select one input from multiple inputs?
Decoder
Encoder
Multiplexer
Demultiplexer
Which logic circuit generates the sum and carry for binary addition?
Comparator
Decoder
Adder
Multiplexer
What is the function of a Demultiplexer?
Converts one input into multiple outputs
Converts multiple inputs into one output
Stores data
Performs arithmetic operations
Which of the following is NOT a combinational circuit?
Multiplexer
Encoder
Flip-Flop
Full-Adder
How many NOT gates are required to implement a 4-input NAND gate using only NOR gates?
2
3
4
1
How many 2-input NAND gates are required to implement an XOR gate?
2
3
4
5
