CS410 – Visual Programming
Quiz No.2 Dated DEC 06, 2012
If we pass NULL value to "GetDC" function, it retrieves the DC for the:
Select correct option:
Entire Screen
Parent Window
Client Window
It does not retrieves DC
Two types of Subclassing are:
Select correct option:
Automated Subclassing and Manual Subclassing
Static Subclassing and Dynamic Subclassing
Local Subclassing and Global Subclassing
Instance Subclassing and Global Subclassing
Long chain of keywords in declaration can be shortened. Above line is the advantage of ______.
Select correct option:
Typedef
Struct
Union
None of given
Result of _________________ of two bits is TRUE (1) if only if both are TRUE (1)
Select correct option:
OR (I)
XOR
AND (&)
NOR
DOS boxes are also called ___________
Select correct option:
Main Window
Console Window
Dialogue Box
Arrays
________ function is used to invalidate a window or part of it
Select correct option:
InvalidateRect
InvalidateWindow
InvalidateClient
InvalidateApp
The _________ function draws a rectangle
Select correct option:
SetRectCoords(...)
ShowRectangle(...)
DrawRectangle(...)
Rectangle(...)
_________ is the handle to icon associated with Window Class.
Select correct option:
hIcon
hCursor
HINSTANCE
UINT
The SelectObject function selects an object into the specified:
Select correct option:
Object Context (OC)
Device Context (DC)
Window Context (WC)
Class Context (CC)
A thread can not share all of the its resources
Select correct option:
TRUE
FALSE
Union Person { char name[30]; //30 bytes int age; float height; }; Union Person abc, *ptr; Ptr = &abc; ptr = ptr +1; How many bytes will skip after executing ptr = ptr +1.
Select correct option:
38 bytes will skip after executing ptr = ptr +1.
30 bytes will skip after executing ptr = ptr +1.
31 bytes will skip after executing ptr = ptr +1.
32 bytes will skip after executing ptr = ptr +1.
There cannot be multiple _________________ messages in message queue.
Select correct option:
WM_ PAINT
WM_TIMER
WM_QUIT
WParam
_______ acts as a buffer between applications and output devices.
Select correct option:
GDI
Kernel32
OS
CPU
If first non wide space character will be #, so it will be called _____.
Select correct option:
Preprocessor Directives
Preprocessor Folder Not Sure
Preprocessor Director
None of Given
The ___ function retrieves a handle to a display device context (DC) for the client area of a specified window or for the entire screen.
Select correct option:
GetHwnd
GetDC
GetGDI
GetStockObject
______________ tell the operating system about the characteristics and physical layout of its windows.
Select correct option:
Register Class
Object Class
Window Class
Common Class
Line can be drawn using _________ Functions
Select correct option:
MoveToEx and LineTo
SelectPts and DrawLine
SelectPts and DrawPOLY
None of the giving options
A Window that has a parent is called a ____ Window
Select correct option:
Parent
Main
Child
Owner Window
Whenever a window is resized, system sends "WM_SIZING" message to the application that owns the window
Select correct option:
TRUE
FALSE
___________ is used to check the predefined identifiers.
Select correct option:
#include
#ifdef
#def
#elif
What kind of messages can be display using messagebox function?
Select correct option:
Long messages
Short messages
Null values
None of the given
We can create a window using ______________
Select correct option:
RegisterClass ( )
WNDClass
CreateWindow ( )
DestroyWinndow( )
A thread _________
Select correct option:
is a path of execution through a program
is smallest unit of execution that Win32 schedules
consists of a stack
All of given options
A thread can not share all of the its resources
Select correct option:
TRUE
FALSE
If a window owns child Windows, and we destroy owner Window then _____________.
Select correct option:
Only owner window will be destroyed
Only its owned window will be destroyed
Both owner and owned Windows will be destroyed
The application will be crashed
A Window that has a parent is called a ____ Window
Select correct option:
Parent
Main
Child
Owner Window
_______ is a technique that allows an application to intercept messages destined for another window.
Select correct option:
Subclassing
SuperClassing
Message Dispatching
None of given options
_________ is unique identifier of the registered window class return by Registeredclass ()
Select correct option:
Handle
Cursor
Object
ATOM
______________ tell the operating system about the characteristics and physical layout of its windows.
Select correct option:
Register Class
Object Class
Window Class
Common Class
Result of _________________ of two bits is TRUE (1) if only if both are TRUE (1)
Select correct option:
OR (I)
XOR
AND (&)
NOR
Whenever a window is resized, system sends "WM_SIZING" message to the application that owns the window
Select correct option:
TRUE
FALSE
Regarding Win32, an application cannot subclass a Window or Class that belongs to another process
Select correct option:
TRUE
FALSE
Ptr -> age is equivalent to _______________
Select correct option:
*ptr.age
ptr.age
(ptr).age
(*ptr).age
If a window owns child Windows, and we destroy owner Window then _____________.
Select correct option:
Only owner window will be destroyed
Only its owned window will be destroyed
Both owner and owned Windows will be destroyed
The application will be crashed
__________ handles user inputs and responds to user events independently.
Select correct option:
User-Interface Thread
Worker Thread
Kernel Thread
None of given options
___________ provides the functionality to create and manage screen windows and most basic controls
Select correct option:
GDI
Common Dialog Box
Common Control Library
User Interface
_______ acts as a buffer between applications and output devices.
Select correct option:
GDI
Kernel32
OS
CPU
The _____ function writes a character string at the specified location, using the currently selected font, background color, and text color
Select correct option:
printf(...)
PrintText(...)
TextOut(...)
cout<<
A _________ is commonly used to handle background tasks
Select correct option:
Worker thread
User Interface thread
Parent thread
Process thread
The system paints the background for a window or gives the window, the opportunity to do so by sending it a _______ message
Select correct option:
WM_FILLBKGND
WM_ERASEBKGND
WM_SYSCOMMAND
WM_OVERLAPPED
Name of Two dimensional array is the address of _________
Select correct option:
First Column
First Row
Last Row
Last Column
A thread _________
Select correct option:
is a path of execution through a program
is smallest unit of execution that Win32 schedules
consists of a stack
All of given options
*(a+i) can also be written as ________________
Select correct option:
a [i]
a[i+1]
*a
*a+1
GDI presents _________
Select correct option:
Device-independent view
Device-dependent view
Monitor-dependent view
None of given
What will be the entry point to a Windows program?
Select correct option:
WinMain
Main
Java.main
System.main
GDI is implemented through ____________________
Select correct option:
GDI.dll
Win32.dll
GDI32.dll
Kernel
A ________ is a structure that defines a set of graphic objects and their associated attributes, as well as the graphic modes that affect output.
Select correct option:
Kernel
Pen
Bitmap
Device Context
