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CS 221: Logic Design Lecture 6 - Combinational Circuits

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CS 221: Logic Design Lecture 6 - Combinational Circuits

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Questions and Answers

What is a Decoder in combinational circuits?

A device that converts analog signals to digital signals

A type of encoder that reduces the number of outputs

A secondary memory storage device

A popular combinational logic building block that converts input binary number to one high output (correct)

What is the main purpose of studying standard combinational circuits in CS 221 Logic Design?

To know how to think to design a circuit (correct)

To memorize their internal design and functionality

To understand the difference between combinational and sequential circuits

To learn how to use decoders and encoders

What is the name of the combinational circuit that has 2n outputs?

Multiplexer

Encoder

Comparator

Decoder (correct)

How many possible input binary numbers does a 2-input decoder have?

4 Signup and view all the answers

What is the functionality of a Decoder?

It converts input binary number to one high output Signup and view all the answers

What is the general term for a Decoder with n-inputs and m-outputs?

n-to-m line decoder Signup and view all the answers

How many outputs does a 2-input decoder have?

4 Signup and view all the answers

What is the name of the chapter that includes the most important standard combinational circuits?

Chapter 6: Combinational Circuits Signup and view all the answers

What is the name of the instructor teaching CS 221 Logic Design?

Dr. Soha Ahmed Ehssan Signup and view all the answers

What are the standard combinational circuits mentioned in the chapter?

Adders, Subtractors, Comparators, Decoders, and Multiplexers Signup and view all the answers

Study Notes

Combinational Circuits

This chapter covers important standard combinational circuits, including Adders, Subtractors, Comparators, Decoders, Encoders, and Multiplexers.

Decoders

A Decoder is a popular combinational logic building block that converts input binary numbers to one high output.
A Decoder has n inputs and 2^n possible outputs.
A 2-input Decoder has four possible input binary numbers, resulting in four outputs, one for each possible input binary number.
Decoders are referred to as n-to-m line decoders, where m = 2^n.

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Description

This quiz covers the internal design and functionality of standard combinational circuits, including adders, subtractors, comparators, decoders, encoders, and multiplexers. It's part of the CS 221 Logic Design course.