4 Types of Pseudocodes
Progamming concepts | | Week 1 Pseudocode Statement ReviewThere are 4 types of pseudocode statements that we learn in Week 1:DeclareYou use Declare to tell the computer the names of variables and the types of variables. The syntax is:Declare variablename as type A variable name must begin with a letter, can include letters, numbers and the underscore. Spaces are not allowed. The variable type is based on the data that the variable will hold. For example, if the variable stores a name, then your variable is a string. If you are using currency values with dollars and cents, then you need float. If the data is whole numbers only, then you use integer.
Input
This is how information is obtained from a user. The syntax is:
Input variablename
When a user enters a value, then the variable named will contain that value.
Set
This is a statement that sets the value of a variable. The syntax is:
Set variablename = expression
To the left of the equal sign is a variable name. To the right is an expression. When the expression is evaluated, the result is placed into the variable name.
For example:Declare var1 as IntegerSet var1 = 4 //This statement sets the value of var1 to 4Set var1 = var1 * 5 //This statement takes the value of var1, which is 4, multiplies it by 5, the result is 20, then 20 is then assigned to var1WriteThis statement writes information to a user display. You can write text and variables. The syntax is:Write expressionThe expression can be text strings and/or variables. You use the + operator, which in the Write statement means concatenation, to merge strings together.For example, if you had this code:Declare var1 as IntegerSet var1 = 4Set var1 = var1 * 5 Write “The value of var1 is “ + var1The user would see this output:The value of var1 is 20 Any questions on the above, post them here. | |
Write a program that computes and displays a 15 percent tip when the price of
Input
This is how information is obtained from a user. The syntax is:
Input variablename
When a user enters a value, then the variable named will contain that value.
Set
This is a statement that sets the value of a variable. The syntax is:
Set variablename = expression
To the left of the equal sign is a variable name. To the right is an expression. When the expression is evaluated, the result is placed into the variable name.
For example:Declare var1 as IntegerSet var1 = 4 //This statement sets the value of var1 to 4Set var1 = var1 * 5 //This statement takes the value of var1, which is 4, multiplies it by 5, the result is 20, then 20 is then assigned to var1WriteThis statement writes information to a user display. You can write text and variables. The syntax is:Write expressionThe expression can be text strings and/or variables. You use the + operator, which in the Write statement means concatenation, to merge strings together.For example, if you had this code:Declare var1 as IntegerSet var1 = 4Set var1 = var1 * 5 Write “The value of var1 is “ + var1The user would see this output:The value of var1 is 20 Any questions on the above, post them here. | |
Write a program that computes and displays a 15 percent tip when the price of