CS410 Solved Quizs Mega Collection for Mid term Papers

______________ 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

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