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line continuation character
the underscore(_); used to break up a long instruction into two or more physical lines in the Code Editor window
When a variable argument is passed to a ByVal parameter, just the value of the argument is passed.
can contain one or more parameters in is procedure header, block of code that performs a specific task, processed only when you call them, avoid duplicating code, allow large complex applications to be broken down
an expression that evaluates to either True or False is said to have Boolean data type.
a programming environment from Microsoft in which a programmer uses a graphical user interface (GUI) to choose and modify preselected sections of code written in the BASIC programming language.
variables declared inside an event procedure are only available in the event procedure in which they are declared
are binary meaning they require an operand on both sides of the operator. Value of a relational expression will always be True or False. Expressions are evaluated from left to right with no order of operations
a name used to refer to data. Names must begin with a letter or an underscore and many contain letters, digits, and underscores. DIM statements declare this, specify the data types of this, and assign initial values to this.
specify the intent of the program, the purpose of variables and the task performed by individual portions of the program. Are created by beginning the line with '
variables declared outside an event procedure are available to every event procedure.
an error in spelling, punctuation or omission. The program cannot run until these are corrected.
Source Code and object code
refer to the "before" and "after" versions of a computer program that is compiled (see compiler) before it is ready to run in a computer. The source code consists of the programming statements that are created by a programmer with a text editor or a visual programming tool and then saved in a file.
ANSI Character Set
a numeric representation for every key on the keyboard and for other assorted characters.
Joining of Visual Basic string variables to make longer strings using the '&' operator.
Select Case block
an efficient decision-making structure that simplifies choosing among several actions. It avoids complex nested If constructs.
a process of translating the code statements that make up a a computer application into a format that can be executed (run) by the computer operating system.
if the answer to a question is "Yes" then one group of instructions is executed. If the answer is "No," then another is executed
a statement embedded within an application that contains a text string that is visible to the programmer but ignored by the application.
Nested If blocks
When one If block is contained inside another If block, the structure is referred to as.
Graphically depicts the logical steps to carry out a task and shows how the steps relate to each other.
is a collection of simple variables of the same type to which Visual Basic can efficiently assign a list of values.
A variable declared inside an If … Then or Select Case block has block level scope and the variable cannot be referred to outside the block.
a combination of literals, variables and arithmetic operations that can be evaluated to yield a number
When a variable argument is passed to a ByRef parameter, the parameter is given the same memory location as the argument.
Given: an array in ascending order and a sought-after value, quarry, that may be in the array. Repeatedly halve the range of indices where quarry might be found. Halving routine looks at the middle value of the current range and compares it to quarry with =, >, and <.
an error that occurs while the program is running as a result of the program being unable to execute the task.
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