Data Types - Arrays, Lists and Tuples

Complete this sentence: Arrays are ……………… data structures.

• Linear, homogenous and static

• Linear, homogeneous and dynamic

• Non-Linear, homogenous and static

• Non-linear, non-homogenous and dynaic

Which of the following is TRUE about arrays?

• Arrays store data in a certain order

• All data in an array are of the same data type

• Each element has a corresponding index value

• All of the above

Complete this sentence: ……………… module is initiated from Python library to work with arrays.

• array

• data structures

• index

• none of the above

Complete this sentence: Index of an array starts with ………………

• 0

• 1

• -1

• 2

An array number_of_students represents 10 students’ marks. Which of the following represents this array declaration?

• number_of_students=array('i', range(10))

• number_of_students=array.array('i', range(1,10))

• number_of_students=array.array('i', range(10))

• None of the above

A program prompts the user to input values to an array. What programming structure is required for this?

• Case Structures

• if... else...

• Iteration

• None of the above

An array student mark consists of data: [90,85,70,75,80]. What is the output of print(student mark[3])?

• 70

• 75

• 80

A two-dimensional array Array_2d consists of data: [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]. What is the output of print(Array_2d[1])?

• [1, 2, 3, 4]

• [5, 6, 7, 8]

• [9, 10, 11, 12]

A two-dimensional array Array_2d consists of data: [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]. What is the output of print(Array_2d[1][1])?

• 1

• 2

• 5

• 6

Which of the following is used to separate a two-dimensional array into elements?

• for row in Array_name:

  for element in row:

• for column in Array_name:

  for element in column:

• for element in Array_name:

• None of the above