Data Structures: Lists, Queues, and Stacks

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Questions and Answers

Which data structure is characterized by elements being added to the back and removed from the front, adhering to a FIFO order?

  • Queue (correct)
  • Linked List
  • Record
  • Stack

In the context of data structures, what is a 'stack' primarily known for?

  • Following a Last-In, First-Out (LIFO) order (correct)
  • Allowing access to elements in a linear sequence
  • Grouping related pieces of information
  • Enabling dynamic relationships among data elements

Which concept describes a function's ability to alter the original variable passed into it?

  • Parameter List
  • Argument
  • Reference Parameter (correct)
  • Parameter

What is the primary characteristic of a linked list?

<p>Each element points to the next one, forming a chain. (B)</p> Signup and view all the answers

What is the purpose of a 'parameter list' in a function or subprogram?

<p>To specify the number and types of inputs the function can accept (D)</p> Signup and view all the answers

You need to store multiple attributes of an employee (name, age, salary) under a single identifier. Which data structure is most suitable?

<p>Record (B)</p> Signup and view all the answers

In the context of functions, what is the difference between an 'argument' and a 'parameter'?

<p>An argument is the actual value; a parameter is a placeholder. (D)</p> Signup and view all the answers

Which of the following best describes a 'linked structure'?

<p>A structure composed of elements connected by links or pointers, enabling dynamic relationships. (A)</p> Signup and view all the answers

Which data structure is most appropriate for implementing a 'back' button functionality in a web browser?

<p>Stack (A)</p> Signup and view all the answers

What is the key advantage of a 'list' data structure regarding element access and modification?

<p>It provides easy access, insertion, and deletion of elements in a linear sequence. (B)</p> Signup and view all the answers

Flashcards

Linked List

A sequence of elements where each element points to the next one, forming a chain.

Linked Structure

A structure composed of elements connected by links or pointers, enabling dynamic relationships among data elements.

List

A collection of items arranged in a linear sequence, allowing easy access and modification of elements.

Queue

A data structure that follows a first-in, first-out (FIFO) order where elements are added to the back and removed from the front.

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Record

A data structure that groups related pieces of information under a single name, typically consisting of multiple fields or attributes.

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Stack

A data structure that follows a last-in, first-out (LIFO) order where elements are added and removed from the same end, known as the top.

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Argument

The actual value or data you pass to a function or subprogram when you call it.

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Parameter

A variable in a function or subprogram definition that acts as a placeholder for the value (argument) you pass when you call the function.

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Parameter List

A set of parameters defined in a function or subprogram, specifying the number and types of inputs the function can accept.

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Reference Parameter

A type of parameter that allows a function to modify the actual variable passed to it.

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Study Notes

  • A linked list is a sequence of elements, with each element pointing to the next, forming a chain.
  • A linked structure is any structure composed of elements connected by links or pointers, enabling dynamic relationships among data elements.
  • A list is a collection of items arranged in a linear sequence, allowing easy access, insertion, and deletion of elements.
  • A queue is a data structure that follows a first-in, first-out (FIFO) order, where elements are added to the back and removed from the front.
  • A record is a data structure grouping related pieces of information under a single name, typically consisting of multiple fields or attributes.
  • A stack is a data structure that follows a last-in, first-out (LIFO) order, where elements are added and removed from the same end, known as the top.
  • An argument is the actual value or data passed to a function or subprogram when it is called.
  • A parameter is a variable in a function or subprogram definition that acts as a placeholder for the value (argument) passed when the function is called.
  • A parameter list refers to a set of parameters defined in a function/subprogram, specifying the number and types of inputs the function can accept.
  • A reference parameter is a type of parameter that allows a function to modify the actual variable passed to it.

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