Test-1 Review

Double-clicking an error in the Error List highlights the problematic code in the editor.

The ++ and -- operators can be written before their operands. This is called __________ mode.

When a piece of data such as 23 or Hello is written into a program's code, it is called a __________.

Changing a form's Text property will change the form's name.

To convert a string to a double, use the __________ method.

A Label control's Text property is initially set to the same value as the Label control's name.

The equality operator is written  like this: = (with only one equals sign).

Which of the following is not a legal C# identifier?

____ is an unexpected error that occurs when program is running, causing program to halt if error is not properly dealt

A(n) __________ is a logical container in a program that holds methods and other program elements.

In order for an && expression to be true, only the expression on one side of the && operator needs to be true.

C# source code files always end with the .cs extension.

You can declare multiple variables of different data types in one program statement.

When user selects a file with the Open dialog box, the file's path and filename are stored in control's ______ property.

In code you use a(n) __________ to store a value in a control's property.

If a field is a variable of a numeric data type, it will be initialized to 0 by default.

A(n) __________ is a sequence of one or more programming statements that perform some operation.

The C# language provides set of operators known as ____operators which you can use to create complex Boolean expressions

If you don't write an access modifier in a field declaration, an error will occur.

A(n) ___ is a method that executes when a specific event occurs.

Changing a control's Visible property in the Properties window at design time hides it in the Designer.

A __________ is a declared block in a program between braces ( {...} ) that holds classes.

A control's __________ property identifies the control in the application's code and in the Visual Studio environment.

A _______ variable belongs to method in which it is declared and only statements inside that method can access variable.

After a variable has been declared, you can use the + operator to store a value in the variable.

The while loop is known as a __________ loop which means it tests its condition before performing each iteration.

Both && and || operators perform ______ in which CPU time is saved by not checking expression on right side of operator

When a(n) ___ appears around an object in the Visual Studio Designer, it indicates selection for editing.

A __________ appears as a small box with some accompanying text.

Ending a programming statement with a semicolon is not required in C#.

A variable of the decimal data type can hold real numbers with greater precision than the double data type.

If you want your code to execute a method, write a statement known as a(n) __________.

When you enter a statement into the code editor, Visual Studio analyzes it and, if a syntax error is found, it is _____.

When you select an object in the Visual Studio Designer, its characteristics are displayed in the ______.

Only TextBox controls have a TabIndex property.

A __________ holds only one data value at any given moment in time.

Variables of the double data type are commonly used as flags.

The ___ property lets you designate a button on a form that will be clicked automatically when user presses Enter key.

When the WriteLine method writes data to a file, it writes a null character immediately following the data.

Once you have created a PictureBox control, you use its __________ property to specify the image it will display.

The Visual Studio __________ window shows a scrollable list of controls that you can add to a form.

In C# string literals can be enclosed in double quotes, single quotes, or a combination.

Once you create a ListBox control, you add items you wish to display to its __________ property.

A data value (variable or constant) passed into a method is known as a(n) __________.

A Panel control cannot display a title and does not have a Text property.

The __________ property can be used to change a form's width and height.

When you create Button controls, they are automatically given default names such as button1, button2, and so forth.

The contents of a control's Text property is always a string.

Which of the following statements correctly displays the text Hello in a message box?

Do not modify Form1.cs, as changes can prevent the application from running properly.

Variables with the same name cannot be declared in different methods.

____ allow you to resize a selected object by clicking and dragging when the cursor becomes a two-headed arrow.

When the user selects an item in a ListBox, the item's index is stored in the ListBox's __________ property.

In code, you move the input focus by calling the __________ method.

Each opening brace ( { )of a code container must have a matching closing brace ( } ) later in the program.

The _____ directives at the top of a C# source code file indicate which namespaces the program will use.

The appearance and other characteristics of a GUI object are determined by the object's properties.

__________ is a term that refers to an image's width to height ratio.

The values on the right and left sides of a math operator are called __________.

Control names are also known as __________, the same term used for variables in programs.

Check boxes are similar to radio buttons in that they are both mutually exclusive.

When you want to display text on a form but not allow the user to change the text, you use a  ___________control.

The Next method in the Random class generates a floating-point number.

You can assign integer constants to int, double, and decimal variables.

The __________ method can be used to convert a string to a decimal.

The do-while loop always performs at least one iteration, even if its Boolean expression is false to begin with.

If all statements in a try block execute with no exception, the catch block is skipped.

A(n) __________ compares the values of two expressions.

The __________ dictates which operations are performed first in a mathematical expression.

Counter variables are commonly used to hold Boolean values that control the number of times a loop iterates.

The order in which controls receive the focus is called the __________.

To convert contents of string to any of numeric data types, we use family of methods in .NET framework known as ____

You can use the StreamReader class's __________ to determine if the file's read position is at the end of the file.

To hide profilePictureBox at runtime, use:

Which of the following causes the debugger to stop on a specific statement while a program is running?

To append data to an existing file, you open it with the __________ method.

In a C# application, all buttons on a form must share the same Click event handler in the form's source code file.

Comments are short notes intended for the compiler to read and interpret.

A semicolon is required at the very end of a do-while loop.

A control's Visible property cannot be modified in code.

To close an application's form in code, use the __________ statement.

C# identifiers can contain spaces after the first character.

A control's name should reflect the purpose of the control.

A method executes statements in the order they appear, from start to finish.

When you declare a named constant, an initialization value is not required.

When a user types something into a TextBox control, the input is stored in the control's __________ property.

In order for a program to work with a file on computer's disk, program must create a file object using code statements.

Which of the following statements would display the number 25 in a Label control named outputLabel?

Each time a loop executes its statement(s), we say the loop is performing a(n) __________.

When an event handler is generated for a control by Visual Studio, it doesn't do anything until you add your own code.

The == operator cannot be used to compare string expressions.

A while loop will always iterate at least once, even if the Boolean expression is initially false.

When a program compares characters, it actually compares the numeric Unicode values of the characters.