Edexcel Topic Quiz 1 - Flowcharts and String manipulation

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.

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

What is the difference between a flowchart and pseudocode? 

• A flowchart is diagramatic whilst pseudocode is written in a programming language (eg. Pascal or Java) 
• A flowchart is textual but pseudocode is diagrammatic 
• A flowchart is a diagrammatic description of an algorithm whilst pseudocode is a textual description of an algorithm 
• A flowchart and pseudocode are the same thing 

A diagram that represents a set of instructions is called:

• Flow Chart

• Pseudocode

• Shapes

What command is this shape for?

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

What does this shape represent?

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

What does this shape represent?

• Decission
• Process
• Input/Output
• Start/End

What's missing ?

• On/Off
• Pink/Blue
• Hello/Goodbye
• Yes/No

What command is this shape for?

• References another part of the program
• Data that is going in as input or coming out as output
• Processing something - a calculation or storing something into a variable
• Shows the direction of the program

What will be displayed as output?

• 10
• 20
• 30
• 40

Assume n1 = 10 ... n2 = 2 ... n3 = 2
What will be displayed as output?

• 10
• 20
• 30
• 40