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Any number with an exponent of zero is equal to:Any number with an exponent of zero is equal to:
The answer is:
B. one


In the decimal numbering system, what is the MSD?In the decimal numbering system, what is the MSD?
The answer is:
D. the digit with the most weight


Which of the following statements does NOT describe an advantage of digital technology?Which of the following statements does NOT describe an advantage of digital technology?
The answer is:
A. the values may vary over a continuous range.


The generic array logic (GAL) device is ________The generic array logic (GAL) device is ________.
The answer is:
B. eprogrammable


The range of voltages between VL(max) and VH(min) are ________The range of voltages between VL(max) and VH(min) are ________.
The answer is:
C. unacceptable


What is a digitaltoanalog converter?What is a digitaltoanalog converter?
The answer is:
A. it takes the digital information from an audio cd and converts it to a usable form.


What are the symbols used to represent digits in the binary number system?What are the symbols used to represent digits in the binary number system?
The answer is:
A. 0,1


A full subtracter circuit requires ________A full subtracter circuit requires ________.
The answer is:
D. three inputs and two outputs


The output of an AND gate is LOW _______The output of an AND gate is LOW _______
The answer is:
B. when any input is low


Give the decimal value of binary 10010 

Parallel format means that:Parallel format means that:
The answer is:
A. each digital signal has its own conductor.


A DAC changes ________A DAC changes ________.
The answer is:
B. digital data into an analog signal


The output of a NOT gate is HIGH when ________The output of a NOT gate is HIGH when ________.
The answer is:
A. the input is low


The output of an OR gate is LOW when ________The output of an OR gate is LOW when ________.
The answer is:
A. all inputs are low


Which of the following is not an analog device?Which of the following is not an analog device?
The answer is:
C. light switch


A demultiplexer has ________A demultiplexer has ________.
The answer is:
A. one data input and a number of selection inputs, and they have several outputs


A flipflop has ________A flipflop has ________.
The answer is:
C. two stable states


Digital signals transmitted on a single conductor (and a ground) must be transmitted in:Digital signals transmitted on a single conductor (and a ground) must be transmitted in:
The answer is:
D. serial


In a certain digital waveform, the period is four times the pulse width. The duty cycle is ________In a certain digital waveform, the period is four times the pulse width. The duty cycle is ________.
The answer is:
B. 25%


Select the statement that best describes the parity method of error detection:Select the statement that best describes the parity method of error detection:
The answer is:
C. parity checking is best suited for detecting singlebit errors in transmitted codes.

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