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Digital Instruments MCQs

Practice Digital Instruments MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1
Measurements & InstrumentationDigital Instruments

A 3.5-digit digital meter is commonly capable of displaying up to approximately?

  • A1999 counts
  • B999 counts
  • C9999 counts
  • D65535 counts
Report an error
Correct Answer: A. 1999 counts
Explanation: A conventional 3.5-digit display has three full digits plus a leading half digit that is typically 0 or 1, giving a maximum display around 1999.
Reference: Standard measurements and instrumentation: digital instruments
Question 2
Measurements & InstrumentationDigital Instruments

A 4-bit ideal ADC provides how many quantization levels?

  • A4
  • B8
  • C16
  • D32
Report an error
Correct Answer: C. 16
Explanation: An N-bit ADC provides 2^N ideal quantization codes; for N=4 this is 16 levels.
Reference: Standard measurements and instrumentation: digital instruments