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1-forward conventional current flows in a diode circuit from.
A:anode to cathode
B:anode to anode
C: cathode to anode
D:cathode to cathode
2-forward conventional current for PNP transistor flows from
a:base to ground
b:base to emitter
c:emitter to base
d:collector to base
3-The op amp is what type of circuit?
A: digital
B: analog
C:logic gate
D:none of the above
4-The AND gate is what type of circuit
a:digital
b: analog
c:amplifier
d: inverter
5- which conditions cause the output of an XOR gate to be high
a:both inputs are low
b:both inputs are high
c:either input is high but not both
d:both inputs a zero
6- an R-S latch is what type of digital logic?
A: combinational logic
B: sequential logic
C: fortran
D: j-k
7- flip-flops are used in what type of logic systems?
A: memories
B: counters
C: data registers
D: all of the above
8- integrated circuits are used in automotive electronic systems because they have
a: excellent functional performance
b:high reliability
c: small size
d:low cost
e: all of the above
9- digital circuits operate with voltages representing
a: an analog of aphysical quantity being measured
b: the electrical equivalent of 1 or 0
c: proportional currents
d: none of the above
10- ahlf adder circuit can be made from
a: an operational amplifier
b: three NOT gates
c: tow OR gates
d: an XOR in combination with AND gate
11- a full adder can be made from
a: a half adder with carry in
b: two half adder circuits with carry in
c: an R-S flip flop
d: all of the above
12-which of the following devices require the use of semiconductors?
A: transistors
B: diodes
C: integrated circuits
D: all of the above
13- in which of the following circuits is a diode used ?
a: filter
b: rectifier
c: resistor
d: capacitor
14- what device is used to smooth out the bumpy output of the rectifier circuit?
A: capacitor
B: resistor
C: diode
D: transistor
15: in which type of circuits are transistors used
a: amplifiers
b: op amps
c: logic gates
d: all of the above
16- which of the following conditions cause the output of an OR gate to be low?
A: both inputs are high
B: only one input is high
C: both inputs are low
17- which of the following conditions cause the output of an AND gate to be high
a: both input are low
b: ----------------- high
c: one input is low
d: at least one input is low
18-the binary addition of 0110 and 10010 produces what binary sum
a: 1000
b: 0111
c: 1111
d: 1010
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