This topic contains a solution. Click here to go to the answer

Author Question: Digital quantities have values that are specified as 1 or 0, HIGH or LOW, etc. The voltage values ... (Read 60 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
Digital quantities have values that are specified as 1 or 0, HIGH or LOW, etc. The voltage values associated with these digital quantities fall within specified limits. On the other hand, analog values for physical process control may be any value over a wide range of values, with each different value having a different meaning. As a result:
 
  A) digital computers are unable to monitor or control physical analog operations with any degree of accuracy or certainty.
  B) digital computers are unable to monitor analog physical values regardless of the interfacing techniques used to make the two systems compatible.
  C) digital computers have the capability to monitor only those analog physical operations that fall within the specified ranges of digital HIGH and LOW voltage levels.
  D) digital computers that monitor or control analog physical values must have an accurate means of transforming analog data to meaningful digital data and vice-versa.

Question 2

When comparing the conversions from digital-to-analog and analog-to-digital, the A/D conversion is generally:
 
  A) less complicated but more time consuming than the D/A conversion.
  B) more complicated and more time consuming than the D/A conversion.
  C) more complicated but less time consuming than the D/A conversion.
  D) less complicated and less time consuming than the D/A conversion.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

karmakat49

  • Sr. Member
  • ****
  • Posts: 369
Answer to Question 1

D

Answer to Question 2

B




DelorasTo

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Excellent


  • Member
  • Posts:
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

For a complete list of videos, visit our video library