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  • Question

  • Sample-and-hold circuits in ADCs are designed to:


  • Options
  • 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

  • Correct Answer
  • stabilize the input analog signal during the conversion process 

    • Number Systems and Codes problems

    Search Results

    • 1. Base 10 refers to which number system?

    • Options
    • A. binary coded decimal
    • B. decimal
    • C. octal
    • D. hexadecimal
      • Discuss
    • 2. The number of bits used to store a BCD digit is:

    • Options
    • A. 8
    • B. 4
    • C. 1
    • D. 2
      • Discuss
    • 3. Convert the decimal number 151.75 to binary.

    • Options
    • A. 10000111.11
    • B. 11010011.01
    • C. 00111100.00
    • D. 10010111.11
      • Discuss
    • 4. What is the result when a decimal 5238 is converted to base 16?

    • Options
    • A. 327.375
    • B. 12166
    • C. 1388
    • D. 1476
      • Discuss
    • 5. The weight of the LSB as a binary number is:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 6. Convert the binary number 1011010 to hexadecimal.

    • Options
    • A. 5B
    • B. 5F
    • C. 5A
    • D. 5C
      • Discuss
    • 7. Convert 110010012 (binary) to decimal.

    • Options
    • A. 201
    • B. 2001
    • C. 20
    • D. 210
      • Discuss
    • 8. What is the difference between binary coding and binary coded decimal?

    • Options
    • A. Binary coding is pure binary.
    • B. BCD is pure binary.
    • C. Binary coding has a decimal format.
    • D. BCD has no decimal format.
      • Discuss
    • 9. What is the resultant binary of the decimal problem 49 + 1 =?

    • Options
    • A. 01010101
    • B. 00110101
    • C. 00110010
    • D. 00110001
      • Discuss
    • 10. The Boolean expression is logically equivalent to what single gate?

    • Options
    • A. NAND
    • B. NOR
    • C. AND
    • D. OR
      • Discuss

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