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Computer Organization and Architecture

Logic Gates

Circuits to Truth Tables

Circuits to Expressions

Expressions to Circuits

Finding SOP from K-Map

Finding POS from K-Map

Finding SOP from K-Map having Don't Care

Half Adders

Full Adders

Flip Flop

Integrated Circuits

Decoders

Multiplexers

Registers

Counters

RAM

ROM

Number Systems

Complements

Number Representations

Binary Addition and Subtraction

Gray Codes

Error Detection Codes

Register Transfer Language

Bus and Memory Transfers

Arithmetic Micro-operations

Logical Micro-operations

Shift Micro-operations

Basic Computer Organization

Timing and Control

Instruction Cycle

Instruction Types

Interrupt Cycle

Complete Computer Description

General Register Organization

Stack Organization

Evaluation of Arithmetic Operations

Address Modes

Instruction Formats

RISC and CISC Architectures

Parallel Processing

Multiplication Algorithms

Logic Gates

Circuits to Truth Tables

Circuits to Expressions

Expressions to Circuits

Finding SOP from K-Map

Finding POS from K-Map

Finding SOP from K-Map having Don't Care

Half Adders

Full Adders

Flip Flop

Integrated Circuits

Decoders

Multiplexers

Registers

Counters

RAM

ROM

Number Systems

Complements

Number Representations

Binary Addition and Subtraction

Gray Codes

Error Detection Codes

Register Transfer Language

Bus and Memory Transfers

Arithmetic Micro-operations

Logical Micro-operations

Shift Micro-operations

Basic Computer Organization

Timing and Control

Instruction Cycle

Instruction Types

Interrupt Cycle

Complete Computer Description

General Register Organization

Stack Organization

Evaluation of Arithmetic Operations

Address Modes

Instruction Formats

RISC and CISC Architectures

Parallel Processing

Multiplication Algorithms

A multiplexer (MUX) is a device allowing one or more low-speed analog or digital input signals to be selected, combined and transmitted at a higher speed on a single shared medium or within a single shared device. A MUX functions as a multiple-input, single-output switch. With two input signals and one output signal, the device is referred to as a 2-to-1 multiplexer; with four input signals it is a 4-to-1 multiplexer; etc.

A 4-input multiplexer we would require two data select lines as 4-inputs represents 22 data control lines give a circuit with four inputs, I_{0}, I_{1}, I_{2}, I_{3} and two data select lines- A and B as shown below:

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