Measurement, Conversion and Control Questions and Answers

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Q11
Convert the decimal number 151.75 to binary.
  • A 10000111.11
  • B 11010011.01
  • C 00111100.00
  • D 10010111.11
Answer: Option D
Q12
Convert the binary number 1011010 to hexadecimal.
  • A 5B
  • B 5F
  • C 5A
  • D 5C
Answer: Option C
Q13
The number of bits used to store a BCD digit is:
  • A 8
  • B 4
  • C 1
  • D 2
Answer: Option B
Q14
Sample-and-hold circuits in ADCs are designed to:
  • A sample and hold the output of the binary counter during the conversion process
  • B stabilize the ADCs threshold voltage during the conversion process
  • C stabilize the input analog signal during the conversion process
  • D sample and hold the ADC staircase waveform during the conversion process
Answer: Option C
Q15
The weight of the LSB as a binary number is:
  • A 1
  • B 2
  • C 3
  • D 4
Answer: Option A
Q16
What is the difference between binary coding and binary coded decimal?
  • A Binary coding is pure binary.
  • B BCD is pure binary.
  • C Binary coding has a decimal format.
  • D BCD has no decimal format.
Answer: Option A
Q17
Convert the binary number 1001.0010 to decimal.
  • A 125
  • B 12.5
  • C 90.125
  • D 9.125
Answer: Option D
Q18
Convert 110010012 (binary) to decimal.
  • A 201
  • B 2001
  • C 20
  • D 210
Answer: Option A
Q19
What is the decimal value of the hexadecimal number 777?
  • A 191
  • B 1911
  • C 19
  • D 19111
Answer: Option B
Q20
What is the resultant binary of the decimal problem 49 + 1 = ?
  • A 01010101
  • B 00110101
  • C 00110010
  • D 00110001
Answer: Option C
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