Question

         23. The number of quantization levels of a 5 bit Analog to Digital converter is...

         23. The number of quantization levels of a 5 bit Analog to Digital converter is _____          

a. 64 levels

b. 128 levels

c. 16 levels

d. 32 levels

24. If a timer is running a PWM output signal with period T=1 ms then for a 50% duty cycle, Ton is?                                                                    

  1. 0.75 ms
  1. 1 ms
  1. 25 ms
  1. 0.50 ms

25. An 8-bit timer/counter can have a maximum value of ________                              

  1. 63
  1. 255
  1. 127
  1. 511

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Answer #1

Quantization levels for n-bits = 20 levels. here n=5 32 quantization levels. 32 levels. Time period - Ims. duty cycle = 50% T

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