Introduction to programming

What will be the output of line 5 when the code is executed if the user enters 1 for num1 and 7 for num2?

• num1 + num2

• num1num7

• 8

• 17

Select the option that can only be an example of the string data type.

• Five

• 5.1

• 5

• True

Read the description of each variable in the table below and enter the name of one variable that would be best implemented as a variable with the data type string.

• years_of_age

• telephone

• number

• date_of_birth

• temperature

What will be the output of PRINT when this program is executed?

• There is an error in the program

• player_name

• BlueSky93

What will be the output of PRINT when this program is executed?

• BlueSky93, DinoFish40

• player_name

• BlueSky93

• DinoFish40

Read the description of each identifier in the table below and enter the name of the identifier that should be declared as a variable instead of a constant.

• TAX

• GRAVITY

• SCORE

• MIN_LENGTH

A banking system uses a constant to store the current rate of VAT so that it can be used in calculations.

Which of the following statements relating to constants is true?

• A constant is the same as a variable.

• The value of a constant can only change while the program is running.

• You cannot change the value of a constant in the program source code.

• A constant stores a value that does not change during the execution of the program.

You are asked to write a program where the user types in the amount of marks they got for a paper with 70 marks. The program then calculates and displays their score as a percentage. What is the process?

• marks (integer)

• percentage = marks/100*70

• percentage (float)

• percentage = marks/70*100

Which of the following items can be stored as an integer data type?

• 
  100m sprint timing

• Number of pages in a book

• 
  Item's price in the market

• 
  Currency conversion value

Constant is a quantity place that stores a data that will never be altered during the course of a program.

• True

• False