AQA A-LEVEL COMPUTER SCIENCE PAPER
1 COMPREHENSIVE EXAM 2026
QUESTIONS AND ANSWERS GRADED A+
◉What is a Real or Float number? Answer: A positive or negative
number that can have a fractional part.
◉What is a Boolean? Answer: True or False
◉What is a character? Answer: A single letter, number or symbol
◉What is a string? Answer: A group of characters
◉What is Date/Time? Answer: A way of storing Date/Time
◉What is a pointer? Answer: A way of storing a memory address.
◉What is a record? Answer: A collection of related fields, each of
which could hold a different data type.
,◉What is an array? Answer: A finite, indexed set of related elements
of the same data type.
◉What is a user defined data type? Answer: A data type derived
from existing data types in order to create a customized data
structure.
◉What is variable declaration? Answer: Creating a variable for the
first time. giving it a name and sometimes a data type.
◉What is constant decleration? Answer: Creating a constant for the
first time.
◉What is assignment? Answer: giving a constant or a variable a
value.
◉what is iteration? Answer: repetition of a process e.g. a while or
for loop. this could be definite or indefinite.
◉What is selection? Answer: comparing values and then choosing
an appropriate action. e.g. an if statement.
◉what is a subroutine? Answer: A named block of code containing a
set of instructions designed to perform a frequently used operation.
, ◉What is definite iteration? Answer: the number of repititions is
known before the loop starts.
◉What is indefinite iteration? Answer: the number of repititions is
not known before the loop starts.
◉What is a nested structure? Answer: One structure is placed
within another. Easily identified by indentation.
◉What is meant by meaningful identifier names? Answer: Giving
constants, variables and subroutines sensible and meaningful
identifier names.
◉What does the real/float division operator do? Answer: divides
one number by the other.
◉What does the integer division operator do? Answer: divides one
number by the other but only returns the whole number part.
◉What does the modulo operator do? Answer: returns the
remainder of an integer division.
1 COMPREHENSIVE EXAM 2026
QUESTIONS AND ANSWERS GRADED A+
◉What is a Real or Float number? Answer: A positive or negative
number that can have a fractional part.
◉What is a Boolean? Answer: True or False
◉What is a character? Answer: A single letter, number or symbol
◉What is a string? Answer: A group of characters
◉What is Date/Time? Answer: A way of storing Date/Time
◉What is a pointer? Answer: A way of storing a memory address.
◉What is a record? Answer: A collection of related fields, each of
which could hold a different data type.
,◉What is an array? Answer: A finite, indexed set of related elements
of the same data type.
◉What is a user defined data type? Answer: A data type derived
from existing data types in order to create a customized data
structure.
◉What is variable declaration? Answer: Creating a variable for the
first time. giving it a name and sometimes a data type.
◉What is constant decleration? Answer: Creating a constant for the
first time.
◉What is assignment? Answer: giving a constant or a variable a
value.
◉what is iteration? Answer: repetition of a process e.g. a while or
for loop. this could be definite or indefinite.
◉What is selection? Answer: comparing values and then choosing
an appropriate action. e.g. an if statement.
◉what is a subroutine? Answer: A named block of code containing a
set of instructions designed to perform a frequently used operation.
, ◉What is definite iteration? Answer: the number of repititions is
known before the loop starts.
◉What is indefinite iteration? Answer: the number of repititions is
not known before the loop starts.
◉What is a nested structure? Answer: One structure is placed
within another. Easily identified by indentation.
◉What is meant by meaningful identifier names? Answer: Giving
constants, variables and subroutines sensible and meaningful
identifier names.
◉What does the real/float division operator do? Answer: divides
one number by the other.
◉What does the integer division operator do? Answer: divides one
number by the other but only returns the whole number part.
◉What does the modulo operator do? Answer: returns the
remainder of an integer division.
