AQA A LEVEL COMPUTER SCIENCE PAPER 1
EXAMINATION TEST QUESTIONS
ANSWERS GRADED A+
◉ Variable. Answer: An item of data whose value COULD change,
while being run
◉ Algorithm. Answer: A sequence of steps that can be followed to
complete a task in a finite number of steps, always terminates.
◉ Element. Answer: A single value within an array (list)
◉ Selection. Answer: Principle of choosing what action to take, based
on certain criteria (conditions) - IF & CASE STATEMENTS
◉ Nesting. Answer: Placing one set of instructions inside another set of
instructions
◉ Iteration. Answer: Principle of repeating processes - FOR, WHILE,
REPEAT UNTIL
EXAMINATION TEST QUESTIONS
ANSWERS GRADED A+
◉ Variable. Answer: An item of data whose value COULD change,
while being run
◉ Algorithm. Answer: A sequence of steps that can be followed to
complete a task in a finite number of steps, always terminates.
◉ Element. Answer: A single value within an array (list)
◉ Selection. Answer: Principle of choosing what action to take, based
on certain criteria (conditions) - IF & CASE STATEMENTS
◉ Nesting. Answer: Placing one set of instructions inside another set of
instructions
◉ Iteration. Answer: Principle of repeating processes - FOR, WHILE,
REPEAT UNTIL
