Logic Gates Flashcards
1
Q
Which logic gate is this?
A
Exclusive Disjunction (XOR)
2
Q
What is the equation symbol for conjunction?
A
∧ (AND)
3
Q
Which is the truth table for AND?
A
A B | A ∧ B
4
Q
0 0 | 0
A
5
Q
0 1 | 0
A
6
Q
1 0 | 0
A
7
Q
1 1 | 1
A
8
Q
What will the value of Y be in this logic circuit if A = 1 and B = 0?
A
Y = 1
9
Q
State De Morgan’s laws.
A
- ¬(A ∧ B) = ¬A ∨ ¬B
10
Q
- ¬(A ∨ B) = ¬A ∧ ¬B
A
11
Q
Simplify the Boolean expression A ∨ (A ∧ B).
A
A
12
Q
Apply one of De Morgan’s laws to the Boolean expression ¬(A ∨ B).
A
¬(A ∨ B) = ¬A ∧ ¬B
13
Q
What is the purpose of a D-type flip flop?
A
To store the value of a single bit.
14
Q
When is the stored value in a D-type flip flop updated?
A
On the rising edge of the clock signal.
15
Q
What is the logic circuit for a half adder?
A
A half adder can be constructed using an XOR gate for sum and an AND gate for carry.
