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Digital Logic Circuits Quiz

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Questions and Answers

What does a half adder do?

Adds two binary digits and produces a sum and a carry. (correct)

Compares two binary numbers for equality.

Subtracts two binary digits and produces a difference.

Generates a signal based on De Morgan's law.

Which statement is accurate regarding a full subtractor?

It performs addition of binary values.

It requires two inputs and produces a sum and borrow.

It operates only on decimal numbers.

It requires three inputs and produces a sum and borrow. (correct)

Which of the following represents De Morgan's law correctly?

¬(A ∧ B) = ¬A ∨ ¬B (correct)

A ∧ B = ¬(¬A ∨ ¬B)

A ∨ B = ¬A ∧ ¬B

¬(A ∨ B) = ¬A ∧ ¬B (correct)

What is the primary function of a full adder?

<p>To add two binary numbers with carry input. (C)</p> Signup and view all the answers

What is the main characteristic of a half subtractor?

<p>It produces a difference and a borrow output. (D)</p> Signup and view all the answers

Study Notes

Half Adder

Adds two single-bit binary numbers.
Outputs a sum bit and a carry bit.

Full Subtractor

Subtracts two single-bit binary numbers, along with a borrow input.
Outputs a difference bit and a borrow bit.

De Morgan's Law

States the negation of a conjunction is the disjunction of the negations.
Also, the negation of a disjunction is the conjunction of the negations.

Full Adder

Adds three single-bit binary numbers.
Outputs a sum bit and a carry bit.

Half Subtractor

Subtracts two single-bit binary numbers and produces a difference bit and a borrow bit.

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Description

Test your knowledge on digital logic circuits with this quiz focusing on half adders, full subtractors, and De Morgan's law. Understand the fundamental functions and characteristics of these components in binary arithmetic. Perfect for students studying digital electronics.