Unit 2

Question 1

boolean logic

Answer 1

system for computers to make decisions; used in microchip design

Question 2

gate

Answer 2

a single, physical decision-making unit represented by diagrams/pic

Question 3

OR gate

Answer 3

A + B; true when at least one is true

Question 4

AND gate

Answer 4

AB; true when both are true

Question 5

NOT

Answer 5

reverses; ‘

Question 6

order of operations

Answer 6

()

’

x

+

Question 7

NAND

Answer 7

AB’

not and

Question 8

NOR

Answer 8

(A+B)’

not or

Question 9

XOR

Answer 9

X (plus sign with circle around) B

either A/B is on, but NOT both

Question 10

A + 0

Answer 10

A

Question 11

A + 1

Answer 11

1

Question 12

A + A

Answer 12

A

Question 13

A + A’

Answer 13

1

Question 14

0A

Answer 14

0

Question 15

1A

Answer 15

A

Question 16

AA

Answer 16

A

Question 17

AA’

Answer 17

0

Question 18

A + AB

Answer 18

A

Question 19

A + A’B

Answer 19

A + B

Question 20

DeMorgan’s Law

Answer 20

(A + B)’ = A’B’

(AB)’ = A’ + B’

Question 21

sum of products

Answer 21

for every row that = 1, add a term to the expression. ‘ if 0. product.

Question 22

product of sums

Answer 22

for each linei n the truth table that = 0, multiply by another term. ‘ if 1. sum. only use if one or two 0’s.