Digital Logic Circuits and Computer Architecture Quiz

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Questions and Answers

What is the purpose of a binary decoder?

  • To convert binary input to decimal output
  • To convert binary input to binary output (correct)
  • To convert decimal input to binary output
  • To convert decimal input to decimal output

What is the purpose of an encoder?

  • To convert binary input to decimal output
  • To convert binary input to binary output
  • To convert decimal input to decimal output
  • To convert decimal input to binary output (correct)

What is the purpose of a multiplexer?

  • To convert binary input to decimal output
  • To convert binary input to binary output (correct)
  • To convert decimal input to binary output
  • To convert decimal input to decimal output

What is the purpose of an ALU?

<p>To perform both logical and arithmetic operations (B)</p>
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What is the purpose of a full-adder?

<p>To add two binary numbers (D)</p>
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Study Notes

Digital Circuit Components

  • Binary Decoder: Retrieves original data from encoded binary format, allowing the CPU to understand and execute instructions.
  • Encoder: Converts data into a compact binary format, reducing the amount of data required for transmission or storage.
  • Multiplexer: Selects and routes data from multiple input sources to a single output line, enabling efficient data transmission and processing.
  • ALU (Arithmetic Logic Unit): Performs arithmetic and logical operations, such as addition, subtraction, AND, OR, and NOT, on data, facilitating execution of instructions and calculations.
  • Full-Adder: A digital circuit that adds three binary digits (two operands and a carry-in) and produces a sum and a carry-out, enabling the calculation of binary arithmetic operations.

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