Arrays in Programming

What is an array?

• A single variable that holds only one value

• A special function in programming

• A data structure that holds multiple values of the same type

• A text formatting tool

What is the index of the first element in most programming languages?

• 0

• 1

• -1

• 100

In QBASIC, how is an array declared?

• ARRAY scores(5)

• NEW scores[5]

• DIM scores(5)

• scores = ARRAY(5)

Which of the following is a valid array name?

• 1array

• array-name

• arr_1

• array@123

How do you assign a value to the third element of an array named scores in QBASIC?

• scores[3] = 90

• scores(3) = 90

• scores = 90(3)

• SET scores(3) = 90

Which of the following best describes a one-dimensional array?

• A table with rows and columns

• A single row of data

• A list with multiple types of values

• A loop

What is the purpose of using arrays in programming?

• To slow down programs

• To reduce memory

• To store multiple values efficiently

• To create functions

How many elements does the array DIM age(4) hold in QBASIC?

• 3

• 4

• 5

• 6

What happens if you try to access an element beyond the size of the array?

• The compiler ignores it

• It returns 0

• An error occurs

• It creates a new element

Which of the following can arrays store?

• Functions

• Commands

• Multiple variables of the same type

• Only characters