Chapter 33: Basic Logic Gates
MULTIPLE CHOICE
1. The ____ gate produces an output of 1, only when all its inputs are 1s. If any of the inputs are 0s, the
output is 0.
a.
OR
c.
NOT
b.
AND
d.
NAND
2. The ____ gate produces a 1 output if any of its inputs are 1s. The output is a 0 if all the inputs are 0s.
a.
NOT
c.
OR
b.
AND
d.
NAND
3. The ____ gate performs the basic operation of addition.
a.
OR
c.
NOT
b.
AND
d.
NAND
4. The ____ gate performs the function called inversion, or complementation, and is commonly referred
to as an inverter.
a.
NAND
c.
OR
b.
AND
d.
NOT
5. The ____ gate is the most commonly used logic function.
a.
OR
c.
AND
b.
NAND
d.
NOT
6. The output of the NAND gate is the complement of the output of a(n) ____ gate.
a.
OR
c.
NOT
b.
AND
d.
XOR
7. In a(n) ____ gate, any 0 in the input yields a 1 output.
a.
NAND
c.
XNOR
b.
XOR
d.
NOR
8. In a(n) ____ gate, a 1 occurs only when 0 is applied to both inputs. A 1 input produces a 0 output.
a.
XNOR
c.
NOR
b.
XOR
d.
NAND
9. The ____ gate generates a 1 output if either input is a 1. When both inputs are 1s or 0s, the output is a
0.
a.
NOR
c.
NAND
b.
XNOR
d.
XOR
10. The complement of the XOR gate is the ____ gate.
a.
XNOR
c.
NOR
b.
XOR
d.
NAND
COMPLETION
1. ____________________ circuits monitor binary inputs and produce an output based on the status of
the inputs and the characteristics of the logic circuit.
2. ____________________ circuits are used to store binary data.
3. ____________________ gates are the most widely available gates on the market.
SHORT ANSWER
1. What is a buffer?
2. What is a 3-state buffer?