AQA Year 11 Computer Science Revision

What is the correct definition of an algorithm?

• An algorithm is a step by step instructions to solve a problem.
• An algorithm is a process of baking bread.
• An algorithm is a software used to compute numbers.
• An algorithm is the process of breaking problems.

Decomposition is a term used to define...

• The process of assigning value to a variable.
• The process of taking out unnecessary details from problems.
• The process of breaking down problems into smaller problems.
• The process of coding a problem.

Abstraction is.....

• The process of drawing abstract pictures.
• The process of assigning values to variables.
• The process of breaking down problems.
• The process of removing unnecessary details from a problem.

What is a flowchart?

• A textual representation of algorithms.
• A graphical representation of algorithms.
• A cluster of different shapes.
• A program code written in Logo.

What does this shape represent in flowchart?

• Start/Stop
• Decision
• Process
• Input/Output

The process carried out in computer systems is represented by _______________ in flowchart.

• Rectangle
• parallelogram 
• Square
• Diamond

What does this shape represent in flowchart?

• Input/Output
• Process
• Decision
• Start/Stop

A logical step-by-step process for solving a problem is called

• Binary Numbers

• Coding

• Algorithms

a loop (iteration) that has a condition at the end is called:

• REPEAT – UNTIL

• For

• While

Which option is a searching algorithm

• Bubble

• Linear

• Merge