G11- Problem Solving 1

To analyse a problem, we use an IPO chart. P stands for?

• Problem

• Process

• Production

• Product

What is an algorithm?

• Sequences series of problem

• A problem that use method, pseudocode, flowchart

• A step by step instruction that will transform the output into the input

• A step by step instruction that will transform the input into the output

All the instructions that must be executed to transform what is given into the expected result is referred to as:

• input
• storage
• processing
• output

Division is represented by which symbol?

• *
• -
• /
• +

The symbol * represents which mathematical operator?

• multiply
• subtract
• divide
• add

A variable:

• loops until a condition is met

• stores data in a location in memory and it can change

• checks to see if a condition is true

• stores data in a location in memory and it can not change during the running of the program

Which of the following is an Input keyword?

• show

• get
• calculate

• return

What is a variable?

• A variable is a number

• A variable is a message input by the user

• A variable is a location in memory that we use to store data

Which of the following is the definition of a variable?

• A container which is used to store values such as the number of attempts a person tries to log on to a network.
• A language that is similar to a real programming language, but is easier for humans to understand although it doesn’t actually run on a computer. It can easily be converted to a regular programming language.
• A value that cannot be altered by the program during normal execution: the value stays the same. 
• Messages to explain to others, and often to remind yourself, what the code is intended to do. 

Which of the following is a valid output statement

• Sum = num1 + num2

• READ num1

• PRINT "Enter the value"

• PRINT num1 + num2