1. Which column represents Saturday? How many computers were sold on Thursday at shop 3? Which row and column number is this? 2. Declare an array to represent an 8 × 8 chessboard. Each position in the...

1. Which column represents Saturday? How many computers were sold on Thursday at shop 3? Which row and column number is this?

2. Declare an array to represent an 8 × 8 chessboard. Each position in the array is to hold a string.

3. Write statements to place the text ‘empty’ on each square of the chessboard.

4. What is the value of chessBoard.length?