Electronics-Measurement, Conversion and Control

Electronics-Measurement, Conversion and Control
11. Convert the decimal number 151.75 to binary.
  • 10000111.11
  • 11010011.01
  • 00111100.00
  • 10010111.11
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12. Convert the binary number 1011010 to hexadecimal.
  • 5B
  • 5F
  • 5A
  • 5C
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13. The number of bits used to store a BCD digit is:
  • 8
  • 4
  • 1
  • 2
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14. Sample-and-hold circuits in ADCs are designed to:
  • sample and hold the output of the binary counter during the conversion process
  • stabilize the ADCs threshold voltage during the conversion process
  • stabilize the input analog signal during the conversion process
  • sample and hold the ADC staircase waveform during the conversion process
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15. The weight of the LSB as a binary number is:
  • 1
  • 2
  • 3
  • 4
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16. What is the difference between binary coding and binary coded decimal?
  • Binary coding is pure binary.
  • BCD is pure binary.
  • Binary coding has a decimal format.
  • BCD has no decimal format.
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17. Convert the binary number 1001.0010 to decimal.
  • 125
  • 12.5
  • 90.125
  • 9.125
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18. Convert 110010012 (binary) to decimal.
  • 201
  • 2001
  • 20
  • 210
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19. What is the decimal value of the hexadecimal number 777?
  • 191
  • 1911
  • 19
  • 19111
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20. What is the resultant binary of the decimal problem 49 + 1 = ?
  • 01010101
  • 00110101
  • 00110010
  • 00110001
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