Algorithms and Computer Science

Which of these is NOT an algorithm?

• Following recipe instructions

• Working out how an engine works

• Tying your shoelaces

• Making a cup of coffee

What is an Algorithm?

• A chart showing the flow of a series of events
• Step-by-step instructions used to solve a problem
• A decision arrived at by following instructions
• A computer program that follows a chart

What algorithm do we use when we're making a cake?

• A set of directions
• A recipe
• A list of instructions

When you write an algorithm the order of the instructions is very important.

• True
• False

Which algorithm, will NOT take you from A to B

• UP 1

  RIGHT 5

  UP 2

• RIGHT 1

  UP 3

  RIGHT 4

• UP 2

  RIGHT 5

  UP 1

• LEFT 1

  UP 3

  RIGHT 5

What is a sequence

• Putting and executing instructions in order.

• A pattern of numbers.

• Instructions which a computer follows.

• A line of code

Algorithm

• The most common fundamental unit of digital data .

• Getting help from a large group of people to finish something faster.

• A list of steps to finish a task.

Code

• Statements that only run under certain conditions.

• The language that programmers create and use to tell a computer what to do.

• Break a problem down into smaller pieces.

When can an algorithm be used?

• Only with computers

• For programming

• To design a solution to any problem

Why is this not a sequence?

Start car

Put in key

Turn key

Drive away

• There are spelling mistakes

• The instructions are in the correct order

• The instructions are in the wrong order

• It is a sequence