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1. When does an AND gate produce a high? - ANSWER When both inputs
are high
2. What does a NAND gate produce when both inputs are high? - ANSWER
A low output
3. What does a NOR gate produce when all inputs are low? - ANSWER A
high output
4. What does a NOR gate produce when there is a high input? - ANSWER
A low output
5. When does an XOR gate produce a high? - ANSWER When an odd
number of inputs are high
6. When does an XOR gate produce a low? - ANSWER When all inputs are
low or an even number are high
7. What is the output of an NXOR when the inputs are opposite? - ANSWER
A low
, 8. What is the output of an NXOR when the inputs are the same? - ANSWER
A high
9. What are 3 common faults in digital systems? - ANSWER open signal
lines, shorted signal lines, faulty power supply
10.Which internal IC fault can produce signals with 3 different voltages? -
ANSWER Shorts between pins
11.What is used to determine the amount of current drawn from a power
supply? - ANSWER A multimeter
12.What is a characteristic of shorts? - ANSWER Excessive heat
13.What function is produced when 3 NAND gates are connected? - ANSWER
OR
14.What function is produced with 5 NAND gates connected? - ANSWER
XOR
15.What number logic families represent military decives? - ANSWER
54000