8.2 - Assessment Feedback

Sometimes we need computers to remember the information we give it and that it calculates during programs. A ​ (a)   can be thought of as a box that the computer can use to store a value. The value held in that box can change or ‘vary’. A program can use as many ​ (b)   as it needs it to.

• variable
• variables
• list
• logic
• cat
• lists
• syntax

​ (a)   are a key element of programming. They are used for calculations, for storing values for later use, in decisions and in iteration.

• Variables
• Lists
• Strings
• Booleans

Which of these could be appropriate variable names?

• length of side 1

• x

• length_of_side1

• Length1

• lengthOfSide

Match the following

• =

• Numerical Operator

• +

• Comparison operator

• ==

• Variable Assignment

​ (a)   is used to assign some data into a variable. ​ (b)   is used to compare two pieces of data (as part of a ​ (c)   to be tested), in​ (d)   or iteration.

• =
• ==
• condition
• selection

Reorder the following to make a condition.

• :

• data2

• data1

• if

• >

Match the following

• inputs

• if

• iteration

• =

• selection

• input

• variable assignment

• print

• outputs

• while

What is a variable?

• A number

• A message input by the user

• A location in memory that we use to store data

• A printout that show answer that user entered.

What rule is the following variable name BREAKING:

1st_Name

• No special characters other than underscore

• Only use text for the start of the variable name - no numbers at start

• Keep names meaningful

• There is nothing wrong with this variable name

What rule is the following variable name BREAKING?

studentNo.

• Only use text for the starting letter of a variable name - not numbers at the start

• No special symbols other than the underscore

• There is nothing wrong with this variable name

• Keep variable names meaningful for the task they are being used for