Delphi Basics

A Form in Delphi is ...

• Where you write your code

• A user interface with components

• An object

• A toolbar

If you break a rule in Delphi, an error will occure. This is called a ... error

(a)  

A variable ...

• Can be an integer or a string

• Stores informtion in a program

• Can store many different data types

• Is a type of object

Select all of the different data types found in Delphi

• String

• Number

• Integer

• Boolean

The convention for typcasting a string to an integer is

(a)  

Declaring a variable gives the variable a value

• True

• False

The symbol used to add a one-line comment is

(a)  

The assignment operator " := " is used

• To store information on the left of the operator into the object on the right

• To declare a variable

• To store information on the right of the operator into the variable on the left

• To typcast one data type to another

A program which can compile but stops suddenly whilst the program is running is called a ... error

(a)  

Which of the following does NOT follow the rules for naming conventions of identifiers (variables/methods/classes)

• Identifiers of variables start with lowercase letters

• Spaces are not allowed in a variable identifier

• Variable identifiers can start with a number

• Special characters cannot be used in an identifier