Key Programming Concepts

A (a)   is a named space in memory that holds a data of any type that can be changed again and again.

What is a constant?

• A named space in memory that holds one item of data that cannot be changed once it has been assigned.

• A number that cannot be divided by zero

• A number that always has the same number of digits after the decimal point.

• A number that cannot be changed by adding one to it.

• An integer that you cannot divide anything by.

Symbols that tell you what to do with two numbers such as + and - are called (a)   .

Which operator is used to represent multiplication?

• +

• -

• *

• /

• ^

Which operator is used to represent an exponent?

• +

• -

• /

• ^

• *

Which operator is used to represent 'to the power of'?

• *

• /

• +

• **

• //

What is 'integer division'?

• Dividing a number by another number equally

• Dividing a number by another number unequally

• Dividing a number by another number and representing the answer as a whole number

• Dividing a number by another number and representing the answer as a fraction

• Dividing a number by another number and representing the answer as a floating point number

What does the DIV operator do?

• Gives you only the whole number part of a division operation

• Gives you only the whole number part of a multiplication operation

• Gives you only the decimal part of a division operation

• Gives you the remainder of a division operation

• Gives the remainder of an addition operation

Which operation gives you the remainder of a division?

• MOD

• DIV

• //

• /

• CHAR

What is the name given to the task of storing a data item in a variable?

• equation

• assignment

• evaluation

• comparison

• retrieving