SDD: Computational Constructs

What is the purpose of a variable?

• to input data at random

• to enable the user to switch between programs

• to temporarily store data while the program is running

• to enable the user to change the order of inputs

What is the purpose of an assignment statement?

• to temporarily store data while the program is running

• to place data into a variable

• to perform a process such as a calculation

• to warn the user that an error has been made

Which of the following assigns the value 16 to the variable age?

• Age = 16

• Age (16)

• Age 16

• 16 = Age

Which of the following assigns the value 'National 5' to the variable 'myCourse'?

• National 5 = myCourse

• myCourse (National 5)

• assign National 5 to myCourse

• myCourse = National 5

Which of the following assigns the value 'input' from the keyboard to the variable 'address'?

• Enter your address (input)

• address = input ('Enter your address')

• input = address ('Enter your address')

• input (address) = 'Enter your address'

What is the correct answer to:

151 + 5 * 2

• 312

• 161

• 158

• 1510

What is the correct answer to:

(151 + 5) * 2

• 312

• 161

• 158

• 1510

What is the correct answer to:

155 - 4 / 2

• 70.5

• 302

• 153

• 147