Chap 10 - Boolean logic

Question 1

what does NOT gate do

Answer 1

opposite of the input

Question 1

how many inputs in
-NOT
-AND
-OR
-XOR

Answer 1

• 1
  -2
  -2
  -2

Question 2

what makes 1 in NOT gate

Answer 2

0

Question 3

what makes 1 in AND gate

Answer 3

1 + 1

Question 4

what makes 1 in OR gate

Answer 4

1 + 0
0 + 1
1 + 1

Question 5

what makes 1 in XOR gate

Answer 5

1 + 0
0 + 1

Question 6

what makes 1 in NAND gate

Answer 6

0 + 0
1 + 0
0 + 1

Question 7

what makes 1 in NOR gate

Answer 7

0 + 0

Question 8

what makes 1 in NXOR gate

Answer 8

0 + 0
1 + 1

Question 9

what can NOT be replaced by in a logic expression

Answer 9

• ( - ) on top of input

Question 10

what can AND be replaced by in a logic expression

Answer 10

• ( . ) between inputs

Question 11

what can OR be replaced by in a logic expression

Answer 11

• ( + ) between inputs

Question 12

what is the equation for truth table

Answer 12

-2 to the power of n
-n is no. inputs

Question 13

rules for truth table

Answer 13

-use 2^n
-always start from right most input
-always start with 0

Question 14

order of evaluation

Answer 14

-brackets
-left to right
-AND before OR

Question 15

truth table to logic expression

Answer 15

-find row with 1 as output
-change the inputs in that row that are 0 as NOT
-write expression for that row using AND
-join the expressions using OR