Year 10 Term 4 roundup

What is an algorithm?

• Patterns and trends used to solve a problem

• A set of step-by-step instructions to resolve a problem

• A programming language

Which of these is NOT an algorithm?

• Following recipe instructions

• Working out how an engine works

• Tying your shoelaces

• Making a cup of coffee

When can an algorithm be used?

• Only with computers

• For programming

• To design a solution to any problem

What is decomposition?

• Searches the computer's memory for data

• Repeats a program

• Getting small part of a problem and adding them together

• Breaking down a complex problem

What is abstraction?

• Removal of certain details, keeping relevant the information

• Stores data in a program for retrieval

• Freedom from representing art

• Detects errors while program is running

If it is AFTER 7am, what do you need to do?

• Take the bus

• Take the subway

• Check the time

• Leave home

What should be considered when designing an algorithm?

• If there is more than one way of solving the problem

• If the correct hardware is being used

• If the correct software is being used

What is pseudocode?

• A way of describing a set of instructions in text form

• A specific programming language that all computers use

• A diagrammatic representation of a set of instructions

What command is this shape for?

• START / STOP
• INPUT / OUTPUT
• PROCESS
• DECISION

What does this shape represent?

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