GATES
1) A NOT gate is also called an ______
a) Inverter
b) Oppositer
2) An input of 0 causes the pMOS transistor to _____, and the nMOS transistor to _____
a) Not conduct, Not conduct
b) Not conduct, Conduct
c) Conduct, Not conduct
d) Conduct, Conduct
3) The given Truth Table associates with _____ Gate
a)
b)
c)
d)
NAND Gate
AND Gate
NOR Gate
OR Gate
4) If a=0, b=0 does h conduct?
a) Yes
b) No
5) If b=1, does i conduct?
a) Yes
1
b) No
6) If a=1, b=1 what is voltage at j?
a) 1
b) 0
c) X
d) High Impedance
7) If j=1, then k is?
a) 0
b) 1
8) An OR Gate is built by _____ the output of a _____ gate
a) Connecting, NAND
b) Inverting, NAND
c) Connecting, NOR
d) Inverting, NOR
9)
10)
11)
12)
a) 0
b) 1
If either of two windows is open, an alarm should sound. The input signal is 1 when the
window is open
a) NOT
b) OR
c) AND
A plane enables its engines (output e=1) as long as both pilots are seated (input s=1, input
t=1)
a) NOT
b) OR
c) AND
A sensor detects sunlight (s=0 means no sunlight, s=1 means sunlight). Based on that sensor,
a lamp should turn on only at night
a) NOT
b) OR
c) AND
2
13)
14)
15)
Disneyland’s Little Mermaid ride automatically outputs a stop signal (s=1) if a person is
detected on any of numerous pressure-sensitive mats next to ride’s cars
a) OR
b) AND
A car has pressure sensors in each tire. If a tire’s pressure is low, a warning light should
illuminate. The input signal is 1 when the tire pressure is low
a) OR
b) AND
An office has four space heaters. However, the office’s electrical system can only support
three being on at one time. An alarm sounds if all four are turned on. If the heater is on, the
input signal is 1
a) OR
b) AND
3