Arrays

If an array has 4 rows and 4 columns, how many items are there?

• 12 items

• 14 items

• 16 items

• 18 items

What is the last column in an array?

• The leftmost vertical line of items.

• The rightmost vertical line of items.

• The middle vertical line of items.

• The first column of items.

How many rows are in this array?

• 1 row

• 2 rows

• 3 rows

• 4 rows

What is a rectangular array?

• A rectangular array has rows and columns that form a rectangle.

• A rectangular array is a single row of numbers.

• A rectangular array is a collection of random numbers.

• A rectangular array is a circular arrangement of items.

What is the first row in an array?

• The first row is the top horizontal line of items.

• The first row is the bottom horizontal line of items.

• The first row is the left vertical line of items.

• The first row is the right vertical line of items.

How do you count items in a column?

• Count from the left to the right.

• Count from the bottom to the top.

• Count from the top to the bottom.

• Count in a circular manner.

Can an array have different numbers of rows and columns?

• No, an array must have the same number of rows and columns.

• Yes, an array can have different numbers of rows and columns.

• Only in certain programming languages.

• Arrays can only be one-dimensional.

Which one goes across?

• Columns go across.

• Rows go across.

• Diagonals go across.

• Sections go across.

What does a row represent in an array?

• A vertical line of items.

• A horizontal line of items.

• A diagonal line of items.

• A random collection of items.

How do you count items in a row?

• Count from the left to the right.

• Count from the right to the left.

• Count from the top to the bottom.

• Count randomly without a specific order.