16. ________ analog-to-digital converters (ADCs) use no clock signal, because there is no timing or sequencing required.
(a) Actuator
(b) Dual
(c) Flash
(d) Bipolar
17. A(n) ________ converts an analog input to a digital output.
(a) flash converter
(b) bipolar converter
(c) ADC
(d) DAC
18. The number of binary bits at the input of a digital-to-analog converter (DAC) is known as ________.
(a) accuracy
(b) linearity
(c) resolution
(d) monotonicity
19. The problems of the binary-weighted resistor digital-to-analog converter (DAC) can be overcome by using ___________.
(a) an 8-bit binary-weighted resistor DAC
(b) an R/2R ladder DAC
(c) a staircase DAC
(d) a flash DAC
20. ________ analog-to-digital converters (ADCs) have a fixed value of conversion time that is not dependent on the value of the analog input.
(a) Substandard
(b) Dual
(c) Recessive approximation
(d) Successive approximation
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55555555556. A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 0101. (a) 0.3125 V (b) 3.125 V (c) 0.78125 V (d) –3.125 V- 555555555525. The characteristic that a change of one binary step on the input of a digital-to-analog converter (DAC) should cause exactly one step change on the output is called ________. (a) resolution (b) monotonicity (c) linearity (d) accuracy
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- 555555555524. A binary-weighted resistor used in a digital-to-analog converter (DAC) is only practical up to a resolution of ________. (a) 10 bits (b) 2 bits (c) 8 bits (d) 4 bits