Which of the following circuit is used to store one bit of data ? 

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UGC NET Computer Science (Paper 2) 07 Dec 2023 Official Paper
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  1. Encoder
  2. Decoder
  3. Flip-flop
  4. Register

Answer (Detailed Solution Below)

Option 3 : Flip-flop
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
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Detailed Solution

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The correct answer is Flip-flop

Key Points

  • Flip-flop:
    • A flip-flop is a bistable multivibrator, a circuit that has two stable states and can be used to store binary information (0 or 1).
    • It is the fundamental building block of digital memory elements and is widely used for storing a single bit of data.

Additional Information

  • Encoder:
    • An encoder is a combinational circuit that converts a set of input signals into a coded output representing the input.
    • It is commonly used in communication systems and data transmission.
  • Decoder:
    • A decoder is a combinational circuit that performs the opposite function of an encoder. It converts coded input into a set of output signals.
    • Decoders are often used in digital systems to select a particular output based on the input code.
  • Register:
    • A register is a group of flip-flops that are used to store multiple bits of data.
    • It can be used for various purposes, including data storage, temporary storage during processing, or as part of a CPU to store operands and results of operations.
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