Starting Out with visual C# Midterm

A(n) _______________ is a set of instructions that a computer follows to perform a task.

program

The physical device that a computer is made of are referred to as ___________

Hardware

The part of a computer that runs programs is called _____________

CPU

Today, CPUs are small chips known as __________.

Microprocessors

The computer stores a program while the program is running, as well as the data that the program is working with, in ____.

main memory

______________ is a volatile type of memory that is used only for temporary storage while a program is running.

RAM

A type of memory that can hold data for long periods of time, even when there is no power to the computer, is called ____.

secondary storage

A component that collects data from people or other devices and sends it to the computer is called ____.

an input device

A video display is a(n) __________ device.

output device

A __________ is enough memory to store a letter of the alphabet or a small number.

byte

A byte is made up of eight

bits

In the _________ numbering system, all numeric values are written as sequences of 0s and 1s

binary

A bit that is turned off represents the following value: __________.

0 (zero)

A set of 128 numeric codes that represent the English letters, various punctuation
marks, and other characters is __________.

ASCII

An extensive encoding scheme that can represent characters for many languages in the world is ____.

Unicode

Negative numbers are encoded using the __________ technique.

two's complement

Real numbers are encoded using the __________ technique.

floating point

The tiny dots of colour that digital images are composed of are called ___________.

Pixels

If you were to look at a machine language program, you would see _________.

a stream of binary numbers

In the __________ part of the fetch-decode-execute cycle, the CPU determines which operation it should perform

decode

Computers can execute only programs that are written in __________.

machine language

The ___________ translates an assembly language program to a machine language program.

compiler

The words that make up a high-level programming language are called __________.

key words

The rules that must be followed when writing a program are called __________.

syntax

A(n) ___________ is a program that translates a high-level language program into a separate machine language program.

compiler

A ____________ is a hypothetical person using a program and providing input for it

user

A __________ error does not prevent the program from running but causes it to produce incorrect results

logic

A(n) __________ is a set of well-defined logical steps that must be taken to perform a task

algorithms

An informal language that has no syntax rules, and is not meant to be compiled or executed is called __________.

Pseudocode

A ____________ is a diagram that graphically depicts the steps that take place in a program

flowchart

Objects that are visible in a program's graphical user interface are commonly referred to as ________.

Controls

A __________ is code that describes a particular type of object.

class

The _______ is a collection of classes and other code that can be used, along with a programming language such as C#, to create programs for the Windows operating system.

.NET Framework

The ________ is the part of a computer with which the user interacts

user interface

Before GUIs became popular, the __________ interface was the most commonly
used.

command line

_________ programs are usually event driven

GUI

A(n) (blank) is the thin dotted line that encloses an object in the Designer.

bounding box

The small squares that appear on the right edge, bottom edge, and lower-right corner of a form's bounding box are called (blank).

sizing handles

(Blank) is the name of the blank form that Visual Studio initially creates in a new project.

Form1

The (blank) property holds text that is displayed on the face of the button.

Text

A file that contains program code is called a(an) (blank)

source code file

A namespace is container that holds (blank)

classes

A(n) (blank) is a method that executes when a specific event takes place while an application is running

event handler

The statement MessageBox.Show("Hello World"); is an example of a(n) (blank)

method call

In programming we use the term string to mean (blank)

string of characters

A(n) (blank) marks the end of a programming statement in C#

semicolon

A piece of data that is written into a program's code is a(n) (blank)

literal

The time during which you build the GUI and write the application's code is referred to as (blank)

design time

The time during which an application is executing is referred to as (blank)

run time

When you want to display text on a form, you use a (blank) control

Label

The (blank) property allows you to set the font, font style, and size of the control's text.

Font

A (blank) property can be set to one of two possible values: True or False.

Boolean

Label controls have a(n) (blank) property that controls the way they can be resized.

AutoSize

The (blank) property can be used to change the text's alignment in the label.

TextAlign

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

assignment statement

The equal sign (=) is known as the (blank)

assignment operator

The standard notation for referring to a control's property in code is (blank)

ControlName.PropertyName

(Blank) is a feature of Visual Studio that provides automatic code completion as you write programming statements

IntelliSense

You can use a(n) (blank) control to display a graphic image on a form

PictureBox

Once you created a PictureBox control, you use its (blank) property to specify the image that it will display.

Image

The PictureBox control's (blank) property speficies how the control's image is to be displayed.

SizeMode

(Blank) is the image's width to height ratio.

Aspect ratio

Most controls have a (blank) property that determines whether the control is visible on the form at run time

Visible

A(n) (blank) appears on one linen in a program

line comment

A (blank) can occupy multiple consecutive lines in a program

block comment

Programmers commonly use blank lines and indentations in their code to create a sense of (blank)

visual organization

To close an application's form in code, you use the statement (blank)

this.Close();

When the user types into a TextBox control, the text is stored in the control's --------- property.

Text

A ----- is a storage location in memory that is represented by a name.

Variables

In C#, you must ------- a variable before you can use it to store data.

Declare

A variable's ----- indicates the type of data that the variable will hold.

Data Type

Fundamental types of data, such as strings, integers, and real numbers, are known as ---------.

Primitive Data Types

A ---------- identifies a variable in the program code.

Variable Name

A common operation performed on strings is -----, or appending one string to the end of another string.

Concatenation

A ------- belongs to the method in which it is declared, and only statements inside that method can access the variables.

Local Variable

Programmers use the term ---------- to describe the part of a program in which a variable may be accessed.

Scope

A variable's ------- is the time period during which the variable exists in memory while the program is executing.

Lifetime

One way to make sure that a variable has been assigned a value is to ------ the variable with a value when you declare it.

Initialize

You can use a ---------- to explicitly convert a value from one numeric data type to another, even if the conversion might result in a loss of data.

Cast Operator

The process of dropping a number's fractional part is called ---------.

Truncation

A programmers tools for performing calculations are ----.

Math Operators

A ----- performs a calculation and gives a value.

Math Expression

C# offers a special set of operators known as ----- that are designed specifically for changing the value of a variable without having to type the variables name twice.

Combined Assignment Operators

In computer science, the term ----- typically means to analyze a string of characters for some purpose.

Parse

A(n) ------- is a piece of data that is passed into a method.

Argument

A(n) ------ is an unexpected error that occurs while a program is running causing the program to halt if that error is not properly dealt with.

Exception

The ------- indicates that you want the number to appear formatted in a specific way when it is returned as a string from the /ToString/ method.

Formatting String

You have started an application by clicking the start /Debugging/ button or by pressing (F5) on the keyboard. If an exception is thrown, the application stops running and visual studio goes into a special mode known as -------.

Break Mode

Code that responds to exceptions when they are thrown and prevents the program from abruptly crashing is called a(n) -----------.

Exception Handler

A ------- is a name that represents a value that cannot be changed during the program's execution.

Named Constant

A ----------- is a variable that is declared inside a class but not inside any method.

Class Variable

A(n) ----- specifies how a class member can be accessed by code outside the class.

Access Modifier

A -------- is a field that cannot be changed by any statement in the class.

Constant Field

the .NET framework provides a class named ----------, which contains numerous methods that are useful for performing advanced mathematical operations.

Math

When a control has the --------, it receives the user's keyboard input.

Focus

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

Tab Order

The ------ contains a numerical value, which indicates the control's position in the tab order.

TabIndex Property

A _____ structure executes a set of statements only under certain circumstances.

Decision

A _____ structure provides one alternative path of execution.

Single-Alternative Path

A(n) ______ expression has a value of either true or false.

Boolean