Basic Stuff

Question 0

Complement prop of boolean algebra a + a’

Answer 0

1

Question 1

Distributive prop of boolean algebra a + (b * c)

Answer 1

(a + b) * (a + c)

Question 2

Complement prop of boolean algebra a * a’

Answer 2

0

Question 3

DeMorgan’s Law (a + b)’

Answer 3

a’b’

Question 4

DeMorgan’s Law (ab)’

Answer 4

a’ + b’

Question 5

OR gate is the same as…

Answer 5

NAND with complemented inputs

Question 6

AND gate is the same as…

Answer 6

NOR gate with complemented inputs

Question 7

NAND gate is the same as…

Answer 7

OR gate with complemented inputs

Question 8

NOR gate is the same as…

Answer 8

AND gate with complemented inputs

Question 9

Gate delay

Answer 9

Time for change at input to cause change at output

min delay — typical/nominal delay — max delay

Question 10

Rise time

Answer 10

Time for output to transition from low to high voltage

Question 11

Fall time

Answer 11

Time for output to transition from high to low voltage

Question 12

Pulse width

Answer 12

time that an output stays high or stays low between changes

Question 13

Reversed DeMorgan’s Law

a’b’

Answer 13

(a + b)’

Question 14

Reversed DeMorgan’s Law

a’ + b’

Answer 14

(ab)’

Question 15

NAND with complemented inputs

Answer 15

OR gate is the same as…

Question 16

NOR gate with complemented inputs

Answer 16

AND gate is the same as…

Question 17

OR gate with complemented inputs

Answer 17

NAND gate is the same as…

Question 18

AND gate with complemented inputs

Answer 18

NOR gate is the same as…

Question 19

XOR equivalence

A xor B=

Answer 19

= AB’ + BA’

= (A’B’ + AB)’ (AOI gate)

= ((A+B)’ + AB)’

= (AB)’(A+B)

= (A’ + B’)(A + B)

= AB’ + BA’