What is an algorithm?
GCSE Computer Science - Paper 2 (Algorithms & Programming)

Quiz
•
Computers
•
12th Grade
•
Medium
D Cross
Used 15+ times
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89 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A sequence of logical instructions for carrying out a task.
A method of writing up a set of instructions for a computer program.
A problem-solving method using computer science techniques.
The process of extracting or withdrawing something.
Answer explanation
A sequence of logical instructions for carrying out a task.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is computational thinking?
A sequence of logical instructions for carrying out a task.
A problem-solving method using computer science techniques.
The process of extracting or withdrawing something.
Breaking down a complex problem or system into smaller parts.
Answer explanation
A problem-solving method using computer science techniques.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is abstraction?
A sequence of logical instructions for carrying out a task.
A method of writing up a set of instructions for a computer program.
The process of extracting or withdrawing something.
Breaking down a complex problem or system into smaller parts.
Answer explanation
The process of extracting or withdrawing something.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is decomposition?
A sequence of logical instructions for carrying out a task.
A method of writing up a set of instructions for a computer program.
The process of extracting or withdrawing something.
Breaking down a complex problem or system into smaller parts.
Answer explanation
Breaking down a complex problem or system into smaller parts.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is pseudocode?
A sequence of logical instructions for carrying out a task.
A method of writing up a set of instructions for a computer program using plain English.
The process of extracting or withdrawing something.
Breaking down a complex problem or system into smaller parts.
Answer explanation
A method of writing up a set of instructions for a computer program using plain English.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is a trace table used for?
To trace the value of variables as each line of code is executed.
To write up a set of instructions for a computer program.
To break down a complex problem into smaller parts.
To extract or withdraw something.
Answer explanation
To trace the value of variables as each line of code is executed.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the first step in a linear search?
Set counter to 0.
Find out the length of the data set.
Examine value held in the list at the counter position.
Check to see if the value at that position matches the value searched for.
Answer explanation
The first step in a linear search is to find out the length of the data set.
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