When this program is executed, what will be displayed on the screen?

There is an error in the program because variable a cannot hold two values at the same time.

There is an error in the program because variables a and b are not assigned values in the right order.

There is an error in the program because when line 1 is executed, variables a and b have not been assigned values.

Key Stage 3

Crunching numbers

A series of instructions that end with the problem solved.

Breaking down a problem into smaller, more manageable chunks.

Which of these statements is a definition for an algorithm?

I’ve never been to followed by whatever the user has typed at the keyboard

It is not possible to know the output without executing the program.

When this program is executed, what will be displayed on the screen, as a result of executing line 3?