Signal Fundamentals MCQs

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

Question 1
Signals & SystemsSignal Fundamentals

A signal that is defined for every value of continuous time t is called a?

  • AContinuous-time signal
  • BDiscrete-time signal
  • CBinary code only
  • DQuantized sequence only
Report an error
Correct Answer: A. Continuous-time signal
Explanation: A continuous-time signal x(t) is defined over a continuous range of the independent variable t.
Reference: Standard signals and systems: signal fundamentals
Question 2
Signals & SystemsSignal Fundamentals

A discrete-time signal is commonly represented as?

  • Ax(t) only
  • Bx[n]
  • CX(s) only
  • DV/Hz
Report an error
Correct Answer: B. x[n]
Explanation: A discrete-time signal is represented as a sequence x[n], where n is an integer index.
Reference: Standard signals and systems: signal fundamentals