CvLTAELG1AAv7GMjp8RSaPGsvS8 cs410 Solved MCQs Mega Collection for Mid Term Papers |
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cs410 Solved MCQs Mega Collection for Mid Term Papers

 

 

 

We can undefine already defined preprocessor directive using

 

► #undef

► #unifdef

► #unenddef

► None of given

Identifier is not replaced if it appears

 

► In a comment

► With in a string

► As a part of a long identifier

► All of given

 

Union Person

{

char name[30];

//30 bytes

int age;

float height;

};

How many bytes will skip after executing ptr = ptr +1.

Union Person abc, *ptr;

Ptr = &abc;

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.

► 38 bytes will skip after executing ptr = ptr +1.

 

C language is an extensible language.

 

► True

► False

 

______ is/are the type(s) of Logical Brushes.

 

► Solid

► Hatched

► Patched

► All of the given

 

____________ is/are type(s) of macro.

 

► Object-like macro

► Function-like macro

► All of the given

► None of the given

 

__________ macro expands to the constant 1, to signify that this compiler conforms to ISO standard C.

 

► _STD_

► _STDC_

► _STDC_HOSTED_

► _STDC_VERSION_

 

char

(*ptrString)[4][2];

How many bytes will be skipped by the statement ptrString += 2?

 

► 16

► 1

► 4

► 8

 

If we destroy owner window then _____________.

 

► Only owner window will be destroyed

► Only its owned window will be destroyed

► Both owner and owned window will be destroyed

► The application will be crashed

 

 Choose Command line user interface

 

1. MS DOS

2. MS Windows

3. MS Word

4. MS Visio

 

 Which of the following is not a feature of windows programming?

 

1. Resource sharing

2. Device independent programming

3. Multitasking

4. Single path of execution

 

 Window Operating System Do not give us

 

1. Direct memory access

2. Direct access video ports

3. Direct memory interrupt

4. All of the given

 

 *(a+i) can also be written as ________________

 

1. a[i]

2. a[i+1]

3. *a

4. *a+1

char (*ptrString)[4][2]; How many bytes will be skipped by the statement ptrString += 2?

 

Correct Answer is 8

 

Name of Two dimensional array is the address of _________

 

1. First Column

2. First Row

3. Last Row

4. Last Column

 

What is a function pointer?

1. A pointer that passes as an argument to the function

2. A pointer that is declared inside the function

3. A pointer that points to the starting address of the function

4. A pointer that takes return value of some other function

 

Union Person { char name[30]; //30 bytes int age; float height; }; How many bytes will skip after executing ptr = ptr +1. Union Person abc, *ptr; Ptr = &abc; ptr = ptr +1;

 

1. 30 bytes will skip after executing ptr = ptr +1

2. 31 bytes will skip after executing ptr = ptr +1.

3. 32 bytes will skip after executing ptr = ptr +1.

4. 38 bytes will skip after executing ptr = ptr +1.

 

We can display symbolic constants instead of numeric values using:

 

1. Structures

2. Enumeration

3. Unions

4. Typedef

 

————-macro expands to the constant 1, to signify that this compiler conforms to

ISO Standard C

 

1. __STDC__

2. __STDC_VERSION__

3. __STDC_HOSTED__

4. None of the given

 

Identifier is not replaced if it appears

 

1. In a comment

2. With in a string

3. As a part of a long identifier

4. All of given

 

Preprocessor directive starts with _________ symbol.

 

1. #

2. &

3. *

4. %

 

We can undefine already defined preprocessor directive using

 

1. #undef

2. #unifdef

3. #unenddef

4. None of given

 

 ___________ is used to check the predefined identifiers.

 

1. #include

2. #ifdef

3. #def

4. #elif

 

____________ is/are type(s) of macro

 

1. Object-like macro

2. Function-like macro

3. Both of the Given

4. None of the given

 

Result of _________________ of two bits is TRUE (1) if only if both are TRUE (1)

 

1. OR( | )

2. XOR

3. AND(&)

4. NOR

 

Specific memory areas where parameters are copied are ______________

 

1. Stacks

2. Arrays

3. Queues

4. Lists

 

 Static variables are made on ___________ memory location

 

1. Fixed

2. Stack

3. Pointer

4. Variables


We want to declare a variable in a function such that whenever the function is called, the variable is not reinitialized. The storage class of the variable must be:

 

1. Static

2. Auto

3. Extern

4. All of the given options

 

________________ is responsible for Stack Rewinding when called-function returns.

 

1. Function

2. Pointer

3. called function

4. Caller function

 

 DOS boxes are also called ___________

 

1. Main window

2. Consol window

3. dialogue box

4. Arrays

 

GDI is implemented through ____________________

 

1. GDI.dll

2. win32.dll

3. GDI32.dll

4. Kernel.dll

 

 GDI stands for __________

 

1. Graphics Driver Interface

2. Graphics Device Interface

3. Graphics Direct Interface

4. None of the given options

 


Pump the blood in the whole body of a human being. This work done by the heart but what will be the heart of an operation system.

 

1. Kernel

2. Win32

3. Virtual Memory

4. ROM

 

What kind of messages can be display using messagebox function?

 

1. Long Messages

2. Short Messages

3. Null Massages

4. None of Given

 

 What will be the entry point to a Windows program?

 

1. WinMain

2. Main

3. Java.main

4. System.main

 

______ is/are the type(s) of Logical Brushes.

 

1. Solid

2. Hatched

3. Pattern

4. All of the given

 

 Message loop ends when the GetMessage() function removes the following message from the message queue:

 

1. WM_QUIT

2. WM_SETFOCUS

3. WM_PAINT

4. WM_SYSCOMMAND

 

Message loop ends when the GetMessage() function removes the following message from the message queue:

 

WM_SETFOCUS

WM_PAINT

WM_SYSCOMMAND

WM_QUIT

 

We want to declare a variable in a function such that whenever the function is called, the variable is not reinitialized. The storage class of the variable must be:

 

Auto

Static

Extern

All of the given options

 

What is a function pointer?

 

A pointer that passes as an argument to the function

A pointer that is declared inside the function Some returning pointer

A pointer that takes return value of some other function

A pointer that points to the starting address of the function

 

How many parameters do WinMain function contains

1

2

3

4

 

Which of the following class of window is pre-registered?

 

main window

pop-up window

system window

child window

parent window

 

Which of the following is not a user defined data type?

 

Structures

Enumerations

Unions

Typedefs

None of the above

 

Which of the following is not a feature of windows programming?

 

Resource sharing

Device independent programming

Multitasking

Single path of execution

GDI (Graphics Device interface)

 

——- is a subsystem responsible for displaying text and images on display

devices and printers.

 

Brushes

Pens

GDI (Graphics Device Interface)

Kernel

Operating system

 

Union person{

Char name[30];

Int age;

Float height;

};

void main(){

person abc;

}

How many bytes will be allocated to abc;

 

42

30

38

36

 

__Line__ convert the current _____ in program.

 

 

 

► Line No

► File No

► Page No

► None of given

 Which one of the following is not a nonqueued message?

 

1. WM_ACTIVATE

2. WM_SETFOCUS

3. WM_WINDOWPOSCHANGED

4. WM_SETCURSOR

 

A _________ is commonly used to handle background tasks

 

1. Worker thread

2. User Interface thread

3. Parent thread

4. Process thread

 

If we destroy owner window then _____________.

 

1. Only owner window will be destroyed

2. Only its owned window will be destroyed

3. Both owner and owned window will be destroyed

4. The application will be crashed

 

The basic building block for displaying information in the “Microsoft Windows” graphical environment is __________

 

1. Messeage Queue

2. WinMain

3. Message Loop

4. Window

 

 _______ is one of user interface elements

 

1. Accelerator

2. Message Loop

3. WinProc

4. None of given options

 

 ________ determines that, which threads should run and when they should run?

 

1. Scheduler

2. Thread itself

3. Messages

4. None of the given options

 

 __________ handles user inputs and responds to user events independently.

 

1. User-Interface Thread

2. Worker Thread

3. Kernel Thread

4. None of given options

 

___________ provides the functionality to create and manage screen windows and most basic controls.

 

1. GDI

2. Common Dialog Box

3. Common Control library

4. User Interface

 

 For whom system registers the system class

 

1. Window class

2. Register class

3. Process

4. None of given

 

 The first step in creating a window is registering a window class by _________

 

1. Using DispatchMessage API

2. Filling a WNDCLASS structure and calling RegisterClass

3. Getting Window Handle

4. None of given options

 

 Two types of Subclassing are:

 

1. Automated Subclassing and Manual Subclassing

2. Static Subclassing and Dynamic Subclassing

3. Local Subclassing and Global Subclassing

4. Instance Subclassing and Global Subclassing

 

  

 Condition(s) in which WM_PAINT message may be sent is/are ______________

 

1. A dialog box is maximized

2. A drop-down menu disappears

3. A tool tip is displayed and then it hides

4. All of the given options

 

Device-independed value represents

 

1. Virtual key code

2. Key code

3. READOnly code

4. None of Given

 

In which parameter of “CreateWindow” function, we can specify the Menu.

 

1. hInstance

2. hmenu

3. hWin

4. dialoge box

 

Which function loads the specified menu resource from the executable (.exe) file associated with an application instance.

 

1. LoadMenu()

2. Load_Menu()

3. Load_M()

4. non of given

 

Which message is generated by the system only when any part of application window becomes invalid?

 

► WM_BRUSH

► WM_PAINT

► WM_COLOR

► WM_CANVAS

 

Which GDI environmental space has limited colors?

 

► Logical space

► Physical Space

► Virtual Space

► Default Space

 

For whom system registers the system class.

 

► Window class

► Register class

► Process

► None of given

 

Choose Command line user interface

 

► MS DOS

► MS Windows

► MS Word

► MS Visio

 

Pump the blood in the whole body of a human being. This work done by the heart but what will be the heart of an operation system.

 

► Kernel

► Win32

► Virtual Memory

► ROM

 

If we destroy owner window then ___________.

 

► Only owner window will be destroyed

► Only its owned window will be destroyed

► Both owner and owned window will be destroyed

► The application will be crashed

 

To maximize the flexibility of the process’s memory management system can moves pages of physical memory to and from a paging file on the disk.

 

True

False

 

The pages size in x86 Computers is ____.

 

4 bits

4 bytes

4 Kilobytes

4 Maga Bytes

4 Gaga Bytes

 

Which of the following class of window is pre-registered?

 

1. main window

2. pop-up window

3. system window

4. child window

 

 GDI presents _________

 

1. Device-independent view

2. Device-dependent view

3. Monitor-dependent view

4. None of given

 

Graphical device interface communicates between application and _______ driver

 

1. Port

2. Operating System

3. Device

4. Kernel

 

 If we pass NULL value to “GetDC” function, it retrieves the DC for the:

 

1. Entire Screen

2. Parent Window

3. Client Window

4. It does not retrieves DC

 

The ___ function retrieves a handle to a display device context (DC) for the client area of a specified window or for the entire screen.

 

1. GetHwnd

2. GetDC

3. GetGDI

4. GetStockObject

 

The _____ function writes a character string at the specified location, using the currently selected font, background color, and text color

 

1. printf(…)

2. PrintText(…)

3. TextOut(…)

4. cout

 

 _______ acts as a buffer between applications and output devices.

 

1. GDI

2. Kernel32

3. OS

4. CPU


 _________ is the smallest rectangle enclosing the portion of a window or client area affected by recent drawing operations

 

1. Invalid Rectangle

2. Accumulated Bounding Rectangle

3. Accumulated Client Rect

4. All of the given options

 

A ________ is a structure that defines a set of graphic objects and their associated attributes, as well as the graphic modes that affect output.

 

1. Kernel

2. Pen

3. Bitmap

4. Device Context


The size of pages depends on the host computer.

 

True

False

 

Physical Storage and the Virtual Address Space of each process is organized in

____.

 

Pages

Page Map

paging file

Map

 

A disk file used to increase the amount of physical storage is known as _____.

 

Fiber

page map

paging file

pages

 

____________ is a reserve word in resource file.

 

Statement

Cursor

Bitmap

Icon.

 

_______________ function is used to invalidate a window or part of it.

 

BeginPaint

InvalidateRect

EndPaint

DefWindowProc

 

If bind function fails then what kind of error it will return.

 

SOCKET_ERROR

SOCKET_FAILED

SOCKET_FAILED

None of the given

 

Consider the following statements written in a DLL: __declspec (dllexport) intFactorial(int);

int Average(int, int);

Which of the following statements is true about the above statements?

 

► Factorial() and Average() are 2 public functions of the DLL

► Average() is the only public functions of the DLL

► Factorial()is the only public functions of the DLL

► This DLL does not have any public functions

 

Which one of the following operations is common to both client and server sockets:

 

 

► Bind

► Listen

► Accept

► Send

 

What will happen if we use PostThreadMessage for a thread that does not have the message queue?

 

► Nothing will happen

► It will cause a run time error

► Thread will resume processing

► Its message queue will be created

 

To create semaphore objects which function use by thread?

 

► CreateSemaphore()

► CreateSemaobject()

► CreateObject()

► Create()

 

RFC stands for

 

► Request for comments

► Request of connects

► Reference for connect

► Request for cancels

 

Consider the following statements written in a DLL: __declspec (dllexport) int Factorial(int);

int Average(int, int);

Which of the following statements is true about the above statements?

 

► Factorial() and Average() are 2 public functions of the DLL

► Average() is the only public functions of the DLL

► Factorial()is the only public functions of the DLL

► This DLL does not have any public functions

 

Which one of the following operations is common to both client and server sockets:

 

► Bind

► Listen

► Accept

► Send

 

What will happen if we use PostThreadMessage for a thread that does not have the message queue?

 

► Nothing will happen

► It will cause a run time error

► Thread will resume processing

► Its message queue will be created

 

To create semaphore objects which function use by thread?

 

► CreateSemaphore()

► CreateSemaobject()

► CreateObject()

► Create()

 

RFC stands for

 

► Request for comments

► Request of connects

► Reference for connect

► Request for cancels

 

When every any GDI function call is made or send message or post message function calls are made then which queuing will create?

 

► Message Queuing

► Function Queuing

► Process Queuing <not sure>

► None of the given

 

Copy-on-write protection is an optimization that allows multiple processes to map their virtual address spaces such that they share a physical page until one of the processes modifies the page. This definition belongs to which technique.

 

► Lazy evaluation

► Fast evaluation

► Process evaluation

► None of the given

 

If the dialog box procedure returns FALSE, then which message handling will be performed?

 

► Default

► Instance

► Object

► None of the given

 

How many parameters take the dialog box procedure?

 

► 1

► 0

► 6

► 4

 

What does hmenu mean?

 

► Handle to window

► Handle to the menu

► Handle to child window

► Handle to highest menu

 

When the system sends the item’s identifier to the owner window?
► When the user chooses a command item from a menu

► When the system chooses a command item from a menu

► When the user click on any window area

► When the system de-select the item menu

 

If the load menu function fails so what will be the return value.

 

► 0

► False

► Null   <not sure>

► 1

 

Who generate a unique handle for each menu?

 

► System

► User

► Dialog box

► Menu Items

 

Which message function determined where to send message.

 

► DispatchMessage

► MessageDispatch

► GetMessage

► None of the given

 

In 32-bit windows programming, we are freed from the curse of 64k segments.

 

► True

► False

 

Which function we use to register windows classes in window?


► RegisterClass();

► RegistersClass();

► RegisterWin();

► WinReg();

 

Which operator manipulates individual bits?

 

►Bitwise Operators

► Linked Bits

► Individual Bytes

► Linked Bytes

 

Union Person

{

char name[30];

//30 bytes

int age;

float height;

};

How many bytes will skip after executing ptr = ptr +1.

Union Person abc, *ptr;

Ptr = &abc;

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.

► 38 bytes will skip after executing ptr = ptr +1.

 

double *ptr is pointer variable which stores double type address.

 

► True

► False

 

____________ is/are type(s) of macro.

 

► Object-like macro

► Function-like macro

► All of the given

► None of the given

 

Which of the following is not true about HTTP?

 

► It is a protocol

► It is stateless

► It is more difficult to implement than state-aware protocols

► A web browser is HTTP client

 

For TCP/IP, if the port is specified as zero, the service provider assigns a unique port to the application with a value between ________________.

 

► 1 and 1024

► 1 and 4000

► 1024 and 5000 <Not Sure>

► 1024 and 10240

 

All bits in high word of a 32-bit pointer are ____________.

 

► Non-zero

► Zero <Not Sure>

► Two

► None of the given

 

An accelerator _____________ to correspond to a menu command.

 

► Needs

► Needs not

► Is essential

► Is necessary

 

CGI stands for:

► Control Graphics Interface

► Common Graphics Interface

► Control Gateway Interface

► Common Gateway Interface

 

Which one of the following operations is common to both client and server sockets:

 

► Send

► Connect

► Accept

► Bind

 

DLU is:

► Handle of a dialog

► Handle of a modal dialog only

► Measure of distance within a dialog box

► Name of a dialog

 

Neither the user nor the application can make the owner window active until the _______ is destroyed.

 

► Modeless dialog box

► Modal dialog box

► Child control

► All of the given

 

When a menu item is clicked, __________ message is sent.

 

► WM_MENUITEMCLICKED

► WM_MENUCLICKED

► WM_COMMAND

► WM_PAINT

 

How many WM_CHAR messages will be generated when Shift+A key combination is pressed from keyboard and we haven’t called TranslateMessage() before calling DispatchMessage() function?

 

► 0

► 1

► 2

► 3

 

The total amount of storage available to all executing processes is the sum of the physical memory and the free space on disk available to the paging file.

 

True

False

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