Digital Electronics - Interfacing to the Analog World

Exercise : Interfacing to the Analog World - Filling the Blanks
1.
There are many applications in which analog data must be digitized and transferred into a computer's memory. The process by which the computer acquires these digitized analog data is referred to as ________.
sampling
multiplexing
data acquisition
prescaling
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
When analog inputs from several sources are to be converted, a(n) ________ technique can be used.
demultiplexing
multiplexing
R/2R
comparator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.

The output of the circuit in the given figure (a) at point X on figure (b) will be ________.

1.011 V
2.75 V
–1.011 V
–2.75 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
The stability of the ADC process can be improved by using a(n) ________ to hold the analog voltage constant while the A/D conversion is taking place.
sample-and-hold circuit
op-amp comparator
NPN amp
current loop
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
The characteristic that a change of one binary step on the input of a DAC should cause exactly one step change on the output is called ________.
resolution
linearity
monotonicity
accuracy
Answer: Option
Explanation:
No answer description is available. Let's discuss.