1) Which of these is a Combinational Circuit?

**a) Half Adders**

b) Flip Flops

c) -9000

d) The moon

2) Which of the following is a Logic gate?

a) HAND

b) SAND

c) BOT

**d) AND**

3) Which one of the following logic gates has all of the inputs and outputs equal to 1?

a) XOR

b) NOR

**c) AND**

d) The moon

4) What does a truth table do?

**a) Shows the relation between values that the variables may take**

b) Something

c) Perform arthmetic operations

d) Stores Binary

5) What part area of specialty circuits uses Full Adders?

a) Digital computers

b) Sequential circuits

**c) Combinational circuits**

d) Flip-Flops

6) Which logic gate uses only one input?

a) OR

b) NAND

c) INPUT

**d) NOT**

7) What makes an AND gate true?

**a) The first input is true and the second input is true**

b) The first input is true and the second input is false

c) The first input is false and the second input is false

d) The first input is false and the second input is true

8) In what logic gate is the output equall to one when both inputs are the same?

a) NOR

b) OR

**c) XOR**

d) AND

9) Which circuit design step uses a boolean algebra expression?

a) Indentify inputs and outputs

b) Check solution with a truth table

**c) Indentify required compents**

d) Evaluate the circuit design

10) Circuits within the computer are made from a combination of?

a) Boolean algebra expression's

b) Truth tables

c) The moon

**d) Basic logic gates**