Question 1 . the resolution of a 0-5V 6-bit digital-to-analog converter (DAC) is

Question

Question 1. the resolution of a 0-5V 6-bit digital-to-analog converter (DAC) is:

       (a) 0.83 V

       (b) 0.0125 V

       (c) 0.078125 V

       (d) 0.0625 V

       (e) None of (a) through (d) is the correct answer.

Question 2. what is the resolution of a digital-to-analog converter?

        (a) It is its ability to resolve between forward and reverse steps when sequenced over its entire range.

        (b) It is the deviation between the ideal straight-line output and the actual output of the converter.

        (c) It is the smallest analog output change that can occur as a result of an increment in the digital input.

        (d) It is the comparison between the actual output of the converter and its expected output.

        (e) It is the step size if we consider the digital-to-analog conversion to be like creating a voltage staircase with the digital inputs.

Question 3. what is the decimal and hexadecimal representation for binary number 11011110010 respectively?

       (a) 3529, DC9

       (b) 3529, 6F2

       (c) 1778, DC9

       (d) 1778, 6F2

       (e) None of (a) through (d) is the correct answer.

Question 4. most DAC's have a simple relationship between their digital input and analog output including the one inside the LPC1768. A 7-bit DAC that obey this simple relation has a voltage reference of 2.56V. What is its output if the input is 1000101 (in binary)? (Points : 5)

       (a) 1.38 V

       (b) 0.84 V

       (c) 0.20 V

       (d) 1.50 V

       (e) None of (a) through (d) is the correct answer.

Explanation / Answer

Question 1 :-

the resolution of a 0-5V 6-bit digital-to-analog converter (DAC) is:

Answer :-
1.56%

Question 2 :-

what is the resolution of a digital-to-analog converter?

Answer :-

(c).It is the smallest analog output change that can occur as a result of an increment in the digital input.

Question 3 :-

what is the decimal and hexadecimal representation for binary number 11011110010 respectively ?

Answer :-
(d) 1778, 6F2

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