Master Two-Dimensional Arrays
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Questions and Answers

Which of the following accurately describes a two-dimensional array?

  • A two-dimensional array is a collection of elements indexed by two subscripts.
  • A two-dimensional array can be considered as a single line of elements.
  • A two-dimensional array can only contain elements of the same type.
  • A one-dimensional array is a single line of elements, while a two-dimensional array is a data table with rows and columns. (correct)

What is the purpose of using two-dimensional arrays?

  • To represent data records as rows of information. (correct)
  • To construct algorithms.
  • To store exam scores of multiple students.
  • To visualize data as a collection of elements indexed by two subscripts.

How are two-dimensional arrays indexed?

  • By a single subscript.
  • By two subscripts. (correct)
  • By integers.
  • By rows and columns.

Which of the following is a characteristic of a stack?

<p>Utilizes the push() and pop() methods (A)</p> Signup and view all the answers

What is the purpose of the push() method in a stack?

<p>Pushes an item onto a stack (A)</p> Signup and view all the answers

Which of the following is an application of a stack?

<p>Storing URLs in a web browser (C)</p> Signup and view all the answers

What is the correct order of elements in the stack after executing the following operations: Numbers.push(5), Numbers.push(4), Numbers.push(3)?

<p>5, 4, 3 (B)</p> Signup and view all the answers

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