AQA A Level Computer Science Paper 1 questions and answers

AQA A Level Computer Science Paper 1
questions and answers
Data Type - An attribute of data that determines what sort of data is being stored
that tells the compiler how it will be used in a program



User-Defined Data Type - Custom data types designed by the user by combining
existing data types, for the bespoke needs of their program



Language-Defined Data Types - A primitive data type provided by a programming
language



Arrays - A data structure for storing a finite, ordered set of data of the same data
type within a singular identifier



Boolean - A data type that can store one of two possible values (1 or 0, TRUE or
FALSE)



Character - A data type for storing a letter, number, or special character



Date / Time - A data type for storing date or time values in an identifiable format

, AQA A Level Computer Science Paper 1
questions and answers
Integer - A data type for storing whole number values



Float - A data type for storing numbers with decimal or fractional parts



Records - A data structure that stores related data items in elements called fields,
organised based on attributes



String - A data type for storing a sequence of alphanumeric characters or symbols,
typically within quotation marks



Assignment - A statement for giving a created variable a value that is consistent
with its data type



Constant Declaration - A statement for creating an unchanging piece of data under
an identifier



Iteration - A programming structure where a set of statements are repeated



Definite Iteration - Fixed amount of repetition in an iteration