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Describing Logic Circuits - General Questions

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Describing Logic Circuits - General Questions

1. 

For a three-input NOR gate, with the input waveforms as shown below, which output waveform is correct?

mcq3_1014_1

A. a
B. b
C. c
D. d

Answer: Option A

Explanation:

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2. 

Simplify the expression 319q using DeMorgan's theorems.

A. mca3_1019a1
B. mca3_1019b1
C. mca3_1019c1
D. mca3_1019d1

Answer: Option B

Explanation:

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3. 

Which step in this reduction process is using DeMorgan's theorem?

mcq3_1023_1

A. STEP 1
B. STEP 2
C. STEP 3
D. STEP 4

Answer: Option A

Explanation:

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4. 

The Boolean equation for a NOR function is:

A. mca3_1020a1
B. mca3_1020b1
C. mca3_1020c1
D. mca3_1020d1

Answer: Option B

Explanation:

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5. 

The special software application that translates from HDL into a grid of 1's and 0's, which can be loaded into a PLD, is called a:

A. formatter.
B. compiler.
C. programmable wiring.
D. CPU

Answer: Option B

Explanation:

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6. 

An OR gate with inverted inputs functions as:

A. an AND gate.
B. a NAND gate.
C. a NOR gate.
D. an inverter.

Answer: Option B

Explanation:

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7. 

For a three-input AND gate, with the input waveforms as shown below, which output waveform is correct?

mcq3_1008_1

A. a
B. b
C. c
D. d

Answer: Option C

Explanation:

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8. 

Which of the symbols shown below represents an AND gate?

mcq3_1007_3

A. a
B. b
C. c
D. d

Answer: Option D

Explanation:

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