A Level Computer Science Programming Guide/Common Operations
Input And Output
| Language | General Usage | Example Usage |
|---|---|---|
| Pseudocode |
INPUT <Identifier>
|
Input Answer
Input Age
Input DistanceTravelled
|
| VB.NET |
<Identifier> = Console.Readline()
Dim <Identifier> As <Data Type> = Console.ReadLine()
|
Answer = Console.ReadLine()
Dim Age As Integer = Console.ReadLine()
DistanceTravelled = Console.ReadLine()
|
Arithmetic, Relational and Logic Operators
| Language | Arithmetic Operators | Integer Division | Relational Operators | Logic Operators | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Addition | Subtraction | Multiplication | Division | Modulus | Division | Greater Than | Less Than | Greater Than or Equal to | Less Than or Equal to | Equal To | Not Equal To | AND | OR | NOT | |
| Pseudocode | + |
- |
* |
/ |
MOD |
DIV |
> |
< |
>= |
<= |
= |
<> |
AND |
OR |
NOT |
| VB.NET | + |
- |
* |
/ |
MOD |
\ |
> |
< |
>= |
<= |
= |
<> |
AND |
OR |
NOT |
String Operators
| Language | General Usage | Example Usage |
|---|---|---|
| Pseudocode | ||
| VB.NET |
Random Number Generation
| Language | General Usage | Example Usage |
|---|---|---|
| Pseudocode | RANDOMBETWEEN(<Minimum>, <Maximum>)
INTEGER between the Minimum and Maximum.RND()
REAL number between 0 and 1. |
DECLARE Random : INTEGER
Random = RANDOMBETWEEN(10, 17)
DECLARE Random : REAL
Random = RND()
|
| VB.NET | <Variable> = <Minimum> + Rnd() * (<Maximum> - <Minimum>)
Rnd()
REAL number between 0 and 1. |
Dim Random As Integer
Random = RANDOMBETWEEN(10, 17)
Random = 10 + Rnd() * (17 - 10)
Dim Random As Double
Random = Rnd()
|