N5 SDD - 1D Arrays Revision

What is a 1D array?

• A. A collection of elements arranged in multiple rows and columns

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  B. A collection of elements arranged in a single row

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  C. A collection of elements arranged in a single column

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  D. A collection of elements arranged in a circular pattern

How do you access the third element in a 1D array named scores in most programming languages?

• A. scores[2]

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  B. scores[3]

• C. scores[1]

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  D. scores[0]

Which of the following is a correct way to traverse a 1D array in Python?

• A. for i in range(len(array)): print(array[i])

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  B. for i in array: print(array[i])

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  C. for i in range(array): print(array[i])

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  D. for i in len(array): print(array[i])

What is the index of the last element in a 1D array with 10 elements?

• A. 9

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  B. 10

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  C. 8

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  D. 11

Which of the following statements is true about 1D arrays?

• A. All elements must be of different data types

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  B. The size of the array can change dynamically

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  C. All elements must be of the same data type

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  D. Arrays cannot store integer values

What is the purpose of traversing a 1D array?

• A. To delete all elements in the array

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  B. To access and process each element in the array

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  C. To sort the elements in descending order

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  D. To merge the array with another array