Q.1
The difference between OR and XOR Gate
  • both have 3 inputs
  • The output of the XOR in case of two ON inputs is 0
  • OR has 2 inputs and XOR has 3 inputs
  • They are similar in everything
Q.2
Logc Circuits are formed of
  • AND Gates
  • OR Gates
  • NOT Gates
  • All of the above
Q.3
The And Gate is represented algebraically by
  • *
  • +
  • -
  • %
Q.4
(NOT A) AND B = Q, If A=0 and B =what does Q equal?
  • 1
  • 0
Q.5
Why do we make intermediate columns when constructing truth tables?
  • Because it gets us more marks
  • Because it's impossible to get the answer without them
  • Because it makes working out the solution easier
  • There is no reason to make them
Q.6
The output of any logic gate can have either of two _________ ?
  • Gates
  • States
  • Inputs
  • Outputs
Q.7
Logic circuit has 4 inputs. How many output combinations are possible?
  • 8
  • 16
  • 32
  • 4
Q.8
What is a logic circuit?
  • A combination of logic gates that performs a specific function.
  • A combination of logic gates that understands both binary and decimal number systems.
  • A combination of logic gates that understands decimal number system.
Q.9
4.A logic circuit has n inputs. How many output combinations are possible?
  • A.2×n
  • B.2n
  • C.n÷2
Q.10
8.An AND gate has two inputs A and B. What is the Boolean expression for this logic gate?
  • A.A^B
  • B.A˅B
  • C.¬A^B
Q.11
AND gates output a 1 if both inputs are 0
  • True
  • False
Q.12
OR Gate:IF A is ON and B is ON, the output would be...
  • ON
  • OFF
Q.13
How do we get all the inputs for a truth table with 3 inputs?
  • Guess all the combinations of 1s and 0s
  • Count up in binary from 000
  • Count up in binary from 111
  • Count up in binary from 1
Q.14
How many different combinations of 1 and 0 are possible with 3 bits?
  • 2
  • 4
  • 6
  • 8
Q.15
How many different combinations of 1 and 0 are possible with 1 bit?
  • 1
  • 2
  • 3
  • 4
Q.16
How many different combinations of 1 and 0 are possible with 2 bits?
  • 2
  • 4
  • 6
  • 8
Q.17
True or False:NOT gates output the opposite of the input
  • True
  • False
Q.18
True or False:Both inputs need to be 1 for an OR gate to output a 1
  • True
  • False
Q.19
The output of a ________ gate is only 1 when both inputs are 1.
  • OR
  • NOT
  • NAND
  • AND
Q.20
A logic state can only be….
  • On or 1
  • Off or 1
  • 1 or 0
  • In and Out
0 h : 0 m : 1 s