G11 - Problem Solving

what are the three constructs used to write algorithms in pseudocode

• sequence, selection, iteration
• beginning , middle, end
• name, option, variable
• userinput, total, option

What is an else statement ?

• performs a set of insttructions if the previous statement is false
• a statement with an else
• a statement that is repeated a specific number of times

• a side comment

what Is an elsif statement ?

• lets you check if multiple expressions are true

• an inline comment

• a loop that repeats statement an undetermined number of time

• only found in pseudocde

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 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.

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 

What does this symbol mean?
<

• Greater Than
• Less Than