AESS TBL 3

Refer to logic gate circuit on the left. Please select the correct Boonlean Express below.

• B(A+C)

• C(A+B)

• A(B+C)

• (AB)+C

Please refer to the digital circuit shown on the right. Which of the following is true

• Output Q=1 if Inputs A=0&B=0

  or

  Inputs B=0&C=0

• Output Q=1 if Inputs A=1&B=1

  or

  Inputs B=0&C=1

• Output Q=1 if Inputs A=1&B=0

  or

  Inputs B=1&C=0

• Output Q=1 if Inputs A=1&B=1

  or

  Inputs B=1&C=1

A digital circuit has the following Boolean Algebra expression

Q=AB+BC(B+C).

Which of the following is the most simplified form for the Boolean Algebra expression above:

• C

• B(A+C)

• A(B+C)

• AB+BC+BC

Refer to Signal graph on the right. Find the duty cycle.

• 33.33%

• 63.33%

• 83.33%

• 103.33%

Which of the following is the definition of frequency ?

• One complete waveform

• The magnitude of the signal waveform measured.

• The number of times the waveform repeats itself within a  second.

• Length of time that the waveform takes to repeat itself from start to finish

Refer to the digram shown

• Option A

• Option B

• Option C

• Option D

Refer to diagram shown. The combinations of the switches in the circuit is equivalent to an

• AND GATE

• OR GATE

• NAND GATE

• NOR GATE

Which of the following is the binary number for the Hexidecmial number 3A9C?

• 11 1000 1001 1100

• 11 1000 1001 1000

• 11 1010 1001 1100

• 11 1010 1001 1101

Which of the following is the decimal number for the Hexidecmial number 2D88?

• 656

• 1656

• 11656

• 111656

 

Which of the following is the Hexidecmial number for the Decimal number 1298?

• 5

• 51

• 512

• 5120