Arrays and Logic Gates Quiz
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Questions and Answers

What is a truth table and how is it used?

A truth table is a tool used to visualize the results of Boolean expressions.

Define an array and its purpose in programming.

An array is a data structure that holds similar, related data under one identifier.

What is the formula used for an AND logic gate?

The formula for an AND logic gate is X = A * B.

Explain the function of a NOT logic gate.

<p>A NOT gate outputs the opposite of the input, represented by X = Ā.</p> Signup and view all the answers

What kind of output does an OR logic gate produce?

<p>An OR gate produces a positive output if at least one input is true, represented by X = A + B.</p> Signup and view all the answers

What must all arrays have in addition to elements?

<p>All arrays must have a file name used to identify the array.</p> Signup and view all the answers

How are elements within an array characterized?

<p>Elements in an array typically have the same data type.</p> Signup and view all the answers

What does the output of an AND gate signify with inputs 1 and 0?

<p>The output of an AND gate with inputs 1 and 0 is 0.</p> Signup and view all the answers

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Flashcards

Array

A data structure that holds similar, related data.

Index

A numerical value representing the position of an element within an array.

Element

The data stored within an array.

Logic Gate

A device performing a Boolean logic operation on inputs and outputting a single binary value.

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AND Gate

Outputs a positive output only when all inputs are positive. Represented by symbol '&'.

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OR Gate

Outputs a positive output when at least one input is positive. Represented by symbol '+'.

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NOT Gate

Outputs the opposite value of the input. Represented by symbol '~'.

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Truth Table

A visual representation of the possible outcomes of a Boolean expression.

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Study Notes

Arrays

  • An array is a data structure
  • Holds similar, related data
  • Elements: Data stored in an array
  • All elements in an array often have the same data type
  • Index: A numerical value representing an element's position in an array

Truth Tables

  • A truth table visualizes the result of Boolean expressions
  • Uses binary (0 or 1) to represent values

Logic Gates

  • Devices perform Boolean logic operations
  • Produce a single binary output from one or more binary inputs
  • Several types: AND, NAND, OR, NOR, NOT, XOR, XNOR

AND Gate

  • Produces positive output only when all inputs are positive (1)
  • Formula: X = A * B

OR Gate

  • Outputs True (1) if at least one input is True (1)
  • Formula: X = A + B

NOT Gate (Inverter)

  • Outputs the opposite of the input
  • Formula: X = Ā

Arrays in Practice

  • Arrays may include names. Used to identify the data stored in the array and the type of data it holds, e.g., DOB, Transport, Music Genre.
  • Data is stored in an array.
  • To access a value in the array, the index of the value required is used, e.g., Transport[0] to access the car type, or Transport[5] to access bicycle
  • Arrays contain values of the same data type
  • When adding/subtracting values, the index of values are used, to locate the values to work on

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Arrays and Logic Gates PDF Presentation

Description

Test your knowledge on arrays, truth tables, and logic gates with this engaging quiz. Explore various types of logic gates and their functions, as well as the structure and purpose of arrays. Challenge yourself and solidify your understanding of these fundamental concepts in computer science!

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