PDF Notes: CS302 - Digital Logic & Design (Lecture 1 - 45)

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    What distinguishes analogue quantities from digital quantities?

    Analogue quantities are continuous, while digital quantities are measured at discrete intervals.

    What is the consequence of under-sampling a continuous signal?

    It results in a reconstructed signal that significantly differs from the original.

    How do digital systems represent values?

    Using binary digits, where each bit can be either 0 or 1.

    What happens if the number of samples in digital representation is increased?

    The digital representation more closely approximates the original continuous signal.

    What is a key feature of digital electronic systems?

    They process discrete samples rather than continuous signals.

    How do digital systems handle error detection?

    They use coding theory to implement methods for detecting and correcting errors.

    What is the role of memory in digital systems?

    It stores data temporarily or permanently, allowing for quick access and processing.

    What defines a sequential circuit in digital systems?

    It generates output based on current input and previously stored information.

    What is the primary advantage of using digital systems over analogue systems?

    Digital systems are more efficient in processing and storing large amounts of data.

    What is the function of an A/D converter?

    It converts continuous analogue signals into discrete digital values.

    How does the binary number system differ from the decimal number system?

    Binary uses two values (0 and 1), while decimal uses ten values (0-9).

    What is a combinational logic circuit?

    A circuit that performs operations based solely on current input values.

    What is the significance of programmable logic devices (PLDs)?

    They allow users to configure hardware for specific tasks, reducing complexity.

    What is the implication of using digital signals for data transmission?

    Digital signals are more reliable and less prone to errors during transmission.

    What is the purpose of a flip-flop in digital circuits?

    It stores a single bit of data, enabling sequential logic operations.