# Chapter 10 Boolean logic Flashcards

1

Q

What are the 6 gates

A

AND NAND OR NOR NOT XOR

2

Q

What are truth tables used for

A

Trace the output from a logic gate or logic circuit

3

Q

AND Boolean logic

symbol

output with A and B

A

A AND B

A . B

output:

0

0

0

1

4

Q

OR Boolean logic

symbol

output with A and B

A

A OR B

A + B

0

1

1

1

5

Q

NAND boolean logic

symbol

output

A

A NAND B

-(A . B) with a line over the entire bracket

1

1

1

0

6

Q

NOR Boolean Logic

Symbol

Output

A

A NOR B

-(A + B) with a line over the entire bracket

1

0

0

0

7

Q

XOR Boolean Logic

symbols

output

A

A XOR B

(A+B) . (- (a.b)

or

(A . -B) + (-A . B)

0

1

1

0

A . -B) + (-A . B

8

Q

What is Boolean notation

what is boolean algebra

A

Algebra - writing with symbols

notation - writing in words

9

Q

Use symbols or words for “logic expressions” questions

A

Words

eg

(A AND B) XOR (B OR C)