
Common Combinational Logic Circuits

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Computers
•
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Hard
uday kumar
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9 questions
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1.
FLASHCARD QUESTION
Front
What is a Half Adder?
Back
A simple combinational circuit that adds two single-bit binary numbers. It has two outputs: Sum and Carry.
2.
FLASHCARD QUESTION
Front
What is a Full Adder?
Back
Adds three inputs: two bits and a carry from the previous addition. It has two outputs: Sum and Carry.
3.
FLASHCARD QUESTION
Front
What is a Half Subtractor?
Back
A combinational circuit that subtracts two single-bit numbers. It has two outputs: Difference and Borrow.
4.
FLASHCARD QUESTION
Front
What is a Full Subtractor?
Back
Subtracts three inputs: two bits and a borrow from a previous subtraction. It has two outputs: Difference and Borrow.
5.
FLASHCARD QUESTION
Front
What is a Multiplexer (MUX)?
Back
A combinational circuit that selects one of several input signals based on control signals and passes it to the output. A 2-to-1 MUX has two data inputs, one control input, and one output.
6.
FLASHCARD QUESTION
Front
What is a Demultiplexer (DEMUX)?
Back
A Demultiplexer takes a single input and routes it to one of several outputs based on control signals. It performs the reverse function of a multiplexer.
7.
FLASHCARD QUESTION
Front
What is an Encoder?
Back
An Encoder converts multiple input lines into a smaller number of output lines. For example, a 4-to-2 binary encoder takes four inputs and converts them into two binary outputs.
8.
FLASHCARD QUESTION
Front
What is a Decoder?
Back
A Decoder performs the opposite function of an encoder, converting a binary input into multiple output lines. For example, a 2-to-4 decoder has two input lines and four output lines.
9.
FLASHCARD QUESTION
Front
What is a Comparator?
Back
A Comparator compares two binary numbers and determines their relationship (e.g., whether they are equal, greater than, or less than each other). It outputs a signal based on the result of the comparison.
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