Programming Terms

Which two statements best describe the term 'variable'

• A value that always stays the same

• A named location in memory that can hold one value at a time

• A stored value that can be changed.

• Checking if sensible data has been input by the user

What is string concatenation?

• Joining strings together using the '+' character

• Repeating sections of code

• Using decisions to structure your program

• Changing between data types (e.g. convert an int to a str)

What is an integer?

• A data type for characters and text

• A data type for whole numbers

• A data type for True or False

• A data type for decimal numbers

Casting is the process of changing ____ _____

(a)  

What would be the output of this program:

number = "5"

print (number + number)

• 10

• 25

• error

• 55

What would be the output from this program?

name = "Robert"

if len(name) == 7:

print "Wahoo"

else:

print "Okie Dokie"

• Wahoo

• Okie Dokie

Which 2 of these are examples of arithmetic operators

• /

• *

• ==

• !=

Which of these best describes 'iteration'?

• Having decisions in a program

• Saving data into an external file

• Repeating a section of code

• Removing unnecessary data from a problem

Which statement best describes a 'subprogram'

• Planning a program out before creating it

• Ensuring the data input by the user is acceptable

• A smaller program within the main program that can be called and used many times.

• Joining strings together

What would be output from this program?

x = 20

y = 10

x = y

print x

• 20

• 10

• 30

• 200