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ICSE Class 10 Arrays in Java (Single and Double Dimensional) — practice questions

Explore 96 free Arrays in Java (Single and Double Dimensional) questions in ICSE Class 10 Computer Applications. Open each question or exercise to read its content, reference answers and available explanation.

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Arrays in Java (Single and Double Dimensional) questions and exercises with answers

Showing questions 1–30 of 96.

What type of collection is an array in computer science?Read the answer and worked solution →Which data structure is also known as a linear array?Read the answer and worked solution →What is the memory address of an array's first element called?Read the answer and worked solution →What is used to access an element in a one-dimensional array?Read the answer and worked solution →In a zero-indexed array, what index references the first element?Read the answer and worked solution →In a zero-indexed array of ten elements, what is the last index?Read the answer and worked solution →With base address B and stride c, what is the address of element i?Read the answer and worked solution →Why can elements not be inserted or removed in static arrays?Read the answer and worked solution →What time complexity is taken to select or store an array element?Read the answer and worked solution →Why is sequential iteration over an array faster in practice?Read the answer and worked solution →Which search algorithm checks every record until finding the target?Read the answer and worked solution →What condition must an array satisfy before binary search can apply?Read the answer and worked solution →Which element does binary search compare with the target value first?Read the answer and worked solution →What is the worst-case time complexity of binary search on n items?Read the answer and worked solution →What is the auxiliary space complexity of iterative binary search?Read the answer and worked solution →In binary search, where does search continue if target < middle item?Read the answer and worked solution →What does binary search conclude if the remaining interval is empty?Read the answer and worked solution →Which search algorithm allows efficient approximate matching?Read the answer and worked solution →Which sorting algorithm compares each element with the one after it?Read the answer and worked solution →When does the bubble sort algorithm terminate its passes?Read the answer and worked solution →What is the worst-case and average time complexity of bubble sort?Read the answer and worked solution →What time complexity does bubble sort achieve on a sorted list?Read the answer and worked solution →In bubble sort, which element moves to its sorted position in pass 1?Read the answer and worked solution →Which sorting variation alternates leftwards and rightwards passes?Read the answer and worked solution →What mathematical structure names two-dimensional arrays?Read the answer and worked solution →What term denotes the individual items stored inside a matrix?Read the answer and worked solution →What determines the dimension or rank of an array structure?Read the answer and worked solution →Which two counts define the size of any mathematical matrix?Read the answer and worked solution →In an m by n matrix, what are m and n formally called?Read the answer and worked solution →What is a matrix containing only a single row termed?Read the answer and worked solution →

Worked practice questions

What type of collection is an array in computer science?

  1. Elements of same type
  2. Different data types
  3. Random hash buckets
  4. Unordered linked nodes
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Correct answer: A. Elements of same type

An array is a linear collection of elements sharing the same data type.

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Which data structure is also known as a linear array?

  1. A circular queue
  2. One-dimensional array
  3. Binary search tree
  4. Doubly linked list
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Correct answer: B. One-dimensional array

A one-dimensional array is the simplest type of linear array.

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What is the memory address of an array's first element called?

  1. Offset address
  2. Stride address
  3. Base address
  4. Frame address
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Correct answer: C. Base address

The memory address of the first element of an array is the base address.

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