AQA A LEVEL COMPUTER SCIENCE PAPER 1 ACTUAL EXAM 2026 QUESTIONS WITH SOLUTIONS GRADED A+

AQA A LEVEL COMPUTER SCIENCE PAPER 1
ACTUAL EXAM 2026 QUESTIONS WITH
SOLUTIONS GRADED A+



◉ Constant. Answer: An item of data whose value DOESN'T change


◉ 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)


◉ Record. Answer: One line of a text file


◉ 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


◉ Definite iteration. Answer: Process that repeats a set number of times
- FOR LOOP


◉ Indefinite Iteration. Answer: Process that repeats until a certain
criteria is met - WHILE


◉ Sequence. Answer: Principle of putting the correct instructions in the
right order within a program


◉ Truncating. Answer: Process of cutting off a number after a certain
number of characters or d.p


◉ Character Code. Answer: A unique binary representation of a
particular letter, number etc.


◉ Subroutine. Answer: A named block of code designed to carry out a
specific task


◉ Advantages of subroutines. Answer: More readable code
Allows code to be reused