test 2 intro to cs

Question 1

2-4 decodes has ____ inputs and ____ outputs

Answer 1

2 inputs and 4 outputs

A 2-4 decoder takes 2 binary inputs and produces 4 unique outputs based on the combinations of the inputs.

Question 2

Half adder has ___________ inputs and __________ outputs

Answer 2

2 input and 2 outputs

Question 3

Full adder has ___________ inputs and __________ outputs

Answer 3

3 inpute and 2 output

Question 4

8- 1 Multiplexer has ____________ select lines, ______ inputs and _____ output.

Answer 4

3 select lines, 8 input and 1 outputs

Question 5

64- 1 Multiplexer has _____6_______ select lines, __64____ inputs and ___1__ output

Answer 5

6 select lines and 64 inputs and 1 output.

Question 6

Boolean expression is (X+Y+Z)’ what is the Equivalent Boolean expression?

Answer 6

X’. Y’ . Z’

Question 7

Boolean expression is Y’+Y
what is the Equivalent Boolean expression?

Answer 7

1

Question 8

Boolean expression is X’ .X what is the Equivalent Boolean expression?

Answer 8

0

Question 9

Boolean expression X Y’ + X Y is what is the Equivalent Boolean expression?

Answer 9

XY+XY’

Question 10

Boolean expression X . ( X’ + Y) what is the Equivalent Boolean expression?

Answer 10

X

Question 11

Boolean expression is (X . Y)’ what is the Equivalent Boolean expression?

Answer 11

X’+Y’

Question 12

Boolean expression is (X+Y ) . (X+Z) what is the Equivalent Boolean expression?

Answer 12

X+Y.Z

Question 13

Boolean expression is X. (X + Y) what is the Equivalent Boolean expression?

Answer 13

X

Question 14

AND GATE

Answer 14

A.B

Question 15

OR GATE

Answer 15

A+B

Question 16

NOT GATE

Answer 16

A’ OR B’ “INVERSE”