AQA GCSE COMPUTER SCIENCE ACTUAL EXAM 120 QUESTIONS AND ANSWERS (VERIFIED

2024/2025 AQA GCSE COMPUTER
SCIENCE ACTUAL EXAM 120 QUESTIONS
AND ANSWERS (VERIFIED ANSWERS) A+
GRADE ASSURED

1. Consists of raw facts and figures without context or meaning. CORRECT
ANSWER : Data
2. What exists when data has been given context or meaning. CORRECT ANSWER
: Information 3. Space for a single piece of data, each variable has a data type. You
can change variables once they have been set. CORRECT ANSWER : Variable
4. Space for a single piece of data, each constant has a data type. You cannot change
constants once they have been set. CORRECT ANSWER : Constant
5. A data type, can be either true or false and requires only one bit of storage.
CORRECT ANSWER : Boolean
6. A data type, a single letter, number, punctuation mark, space etc. - requires one
byte. CORRECT ANSWER : Character
7. A data type, stores any number of characters, such as a person's name, address
and postcode. CORRECT ANSWER : String
8. A data type, whole numbers, such as a person's age or how much stock a shop has.
CORRECT ANSWER : Integer




,9. A data type, decimal numbers, such as distances and fractions. CORRECT
ANSWER : Real
10. If you see AND between two Boolean expressions, the whole expression is true
only if both of the smaller expressions are true. For example CORRECT
ANSWER : age <=
16 AND age >= 5 CORRECT ANSWER : Boolean Operator - AND
11. If either of the expressions either side of the OR is true, then the entire
expression is true. CORRECT ANSWER : Boolean Operator - OR
12. Adding NOT to an expression simply makes it the opposite of what it was
before. For example : NOT (age <= 11). This covers all other ages, 12 and up. :
Boolean Operator - NOT 13. >= Greater than or equal to
< Less than
= Equal to
!= Not equal to : The meaning of the following operators CORRECT ANSWER :
>=
<
=
!=
14. An array is a space in memory reserved for more than one item of the same data
type. CORRECT ANSWER : Array
15. Table of items and elements, with columns and rows. Data stored in this way
can be considered as if it were in a spreadsheet, where each row and each column
stands for something. CORRECT ANSWER : Two Dimensional Array






, 16. Records can combine different data types, and each record would be about one
person, or one building or one book. CORRECT ANSWER : Record
17 Using data structures instead of lots of individual variables can reduce the amount
of code you need to write in order to solve a problem. Arrays also reduce the
likelihood of errors occurring, as there are fewer places in the code in which errors
could exist. CORRECT ANSWER : Why we use Data Structures
18. For large programs, different tasks can be assigned to different programmers,
with clear understanding of who is to code what.
Each component can be tested separately as it is coded, which means the complete
program, when all the parts are assembled, will possibly contain fewer errors.
If the program needs updating later, the individual component can be updated,
leaving the rest of the program unchanged. CORRECT ANSWER : When programs
are designed, why are they broken down into smaller tasks and each task is addressed
individually?
19. To solve a problem. CORRECT ANSWER : Why Computer Programs are Written
20. A step-by-step set of instructions to allow a computer to solve a problem in a
finite number of steps. CORRECT ANSWER : Algorithm
21. Shows how a program, or a potential program, is broken down into individual
processes. CORRECT ANSWER : Structure Diagrams
22. A way of showing, within a program, what tasks are to happen in what order.
This is done using shapes and arrows. CORRECT ANSWER : Flow Charts
23. Used to mark the start and another is used to mark the end of a flowchart.
CORRECT ANSWER : Terminator (Flow Chart)