AQA GCSE Algorithms
Computers
9th - 11th Grade
Used 96+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sequence is when...
...instructions are executed one after another
instructions are executed one after another in a series
instructions are executed by the user
instructions are executed one after another but not always in series
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selection is when...
...a program will execute instructions regardless of what the user does
...a program will execute certain instructions based on the user's actions
...a program will execute certain instructions based on conditions
....a program will execute all instructions regardless of what the user does
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selection statements include...
IF, THEN, ELSE & CASE
IF, ELSE, & CASE
IF, THAN, ELSE & CASE
IF, THEN, ELSE, ELIF & CASE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In computer programming 'iteration' is used to...
... loop around and around a piece of code until the correct answer is chosen
...loop around a piece of code until a condition is met that activates the next part of the program
...loop around and around a piece of code until a condition is met that ends the iteration
...loop twice around a piece of code until a condition is met that ends the iteration
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logic errors in programs are...
...errors in program statements that mean the outcome is unexpected, even though the program will run
...errors in the algorithm that means the outcome is expected, even though the program will run
...errors in the algorithm that means the outcome is unexpected, even though the program will run
...errors in the algorithm that means the outcome returns nothing as the program will not run
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a constant and a variable?
A constant's value remains the same whereas a variable's value can change
A constant's value only changes if a variable's value changes
A constant's value remains the same whereas a variable's value can be changed by the user
A constant's value remains the same whereas a variable's value can be changed, but only once
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A string is a data type that typically takes up 1 byte per character. Which of the following is a string?
hello world
"!£llo world4"
"hello world
hello world"
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