Analog to Digital

Q1: Which of the following characterizes an analog quantity?

A
Discrete levels represent changes in a quantity.

B
Its values follow a logarithmic response curve.

C
It can be described with a finite number of steps.

D
It has a continuous set of values over a given range.

Q2: ASCII stands for:

A
American Serial Communication Interface

B
Additive Signal Coupling Interface

C
American Standard Code for Information Interchange

D
none of the above

Q3: A data conversion system may be used to interface a digital computer system to:

A
an analog output device

B
a digital output device

C
an analog input device

D
a digital printer

Q4: Which type of signal is represented by discrete values?

A
noisy signal

B
nonlinear

C
analog

D
digital

Q5: The two basic types of signals are analog and:

A
digilog

B
digital

C
vetilog

D
sine wave


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