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  1. Signal - Wikipedia

    In The Signal by William Powell Frith, a woman sends a signal by waving a white handkerchief. A signal is both the process and the result of transmission of data over some media accomplished by …

  2. What is Signal- Definition, Types and Characteristics

    Apr 15, 2025 · In our everyday lives and technology, signals play an important role in communication and data transfer. A signal is any measurable quantity that changes over time or space and carries …

  3. SIGNAL Definition & Meaning - Merriam-Webster

    : a detectable physical quantity or impulse (such as a voltage, current, or magnetic field strength) by which messages or information can be transmitted. Noun He likes her but he is sending the wrong …

  4. What is Signal? Types of Signals, Their Properties, Operation & Application

    A signal is defined as any physical or virtual quantity that varies with time or space or any other independent variable or variables. Graphically, the independent variable is represented by horizontal …

  5. What is Signal ? - GeeksforGeeks

    Jul 23, 2025 · A signal is a function of one or more variables that indicate some (usually physical) phenomenon. Signal serves as carriers of information between communication devices.

  6. SIGNAL | English meaning - Cambridge Dictionary

    SIGNAL definition: 1. an action, movement, or sound that gives information, a message, a warning, or an order: 2. a…. Learn more.

  7. SIGNAL Definition & Meaning | Dictionary.com

    Signal definition: anything that serves to indicate, warn, direct, command, or the like, such as a light, a gesture, an act, etc.: a signal to leave.. See examples of SIGNAL used in a sentence.

  8. Definition of "signal" - Words Defined

    To signal means to make a gesture, sound, or action that conveys information or indicates a command. This can apply in numerous contexts, such as signaling for help, indicating a turn while driving, or …

  9. What is a Signal? - gauthmath.com

    A signal is a varying quantity that conveys information. It can be a physical quantity like voltage, pressure, or light intensity, or an abstract representation like a mathematical function. Signals are …

  10. What is a signal - x-engineer.org

    A signal is the functional representation of a physical quantity or variable, and it contains information about the behavior of the physical quantity. Example of signals: The sound coming to our ears is also …