Practice Window programming - computer mcq Online Quiz (set-2) For All Competitive Exams

Q-1)   Window class, onKeyUp/3, defines

(a) a key on the keyboard is pressed

(b) a key on the keyboard is released

(c) a mouse button was double clicked

(d) the user clicks on a window

Q-2)   Window class, onMouseDoubleClick/5, defines

(a) a mouse button was double clicked

(b) the user clicks on a window

(c) a key on the keyboard is pressed

(d) a key on the keyboard is released

Q-3)   In frame windows

(a) One can put another frame windows

(b) One can not put another frame windows

(c)

(d)

Q-4)   Window class, onKeyDown/3 , defines

(a) a mouse button was double clicked

(b) the user clicks on a window

(c) a key on the keyboard is pressed

(d) a key on the keyboard is released

Q-5)   Window class, onClick/1, defines

(a) a mouse button was double clicked

(b) the user clicks on a window

(c) a key on the keyboard is pressed

(d) a key on the keyboard is released

Q-6)   Window class, onEraseBackground/1, defines

(a) is executed when a visible window is being created

(b) is executed when a window is being closed, it is possible to prevent the window from closing

(c) when the background of a window must be erased this event is executed

(d) when a window must be re-painted this event is executed

Q-7)   Window class, onPaint/2, defines

(a) is executed when a visible window is being created

(b) is executed when a window is being closed, it is possible to prevent the window from closing

(c) when the background of a window must be erased this event is executed

(d) when a window must be re-painted this event is executed

Q-8)   Window class, on Close/2

(a) is executed when a visible window is being created

(b) is executed when a window is being closed, it is possible to prevent the window from closing

(c) when the background of a window must be erased this event is executed

(d) when a window must be re-painted this event is executed

Q-9)   Window class, onCreate/1 ,defines

(a) is executed when a visible window is being created

(b) is executed when a window is being closed, it is possible to prevent the window from closing

(c) when the background of a window must be erased this event is executed

(d) when a window must be re-painted this event is executed

Q-10)   Checkbox in window programming

(a) displays text and can be clicked with the mouse or spacebar

(b) a checkmark which the user can select

(c) a list from which one item can be selected.

(d) area in which text may be entered.

Q-11)   Window class, onKBFocus/3, defines

(a) is executed when a window is becoming visible or is being hidden

(b) when a window is being disabled or enabled this event is executed

(c) this event is executed when the user switches to another window of the same application

(d) when a window receives the keyboard focus this event is executed

Q-12)   Window class, onActivate/2, defines

(a) is executed when a window is becoming visible or is being hidden

(b) when a window is being disabled or enabled this event is executed

(c) this event is executed when the user switches to another window of the same application

(d) when a window receives the keyboard focus this event is executed

Q-13)   Window class, onSetCursor/3, defines

(a) the window wants to know what cursor it must display for the mouse pointer

(b) the mouse is moved over a window

(c) when a mouse button is pressed this event is executed

(d) a mouse button is released

Q-14)   Window class, onMouseUp/5 , defines

(a) the window wants to know what cursor it must display for the mouse pointer

(b) the mouse is moved over a window

(c) when a mouse button is pressed this event is executed

(d) a mouse button is released

Q-15)   Window class, onMouseDown/5, defines

(a) the window wants to know what cursor it must display for the mouse pointer

(b) the mouse is moved over a window

(c) when a mouse button is pressed this event is executed

(d) a mouse button is released

Q-16)   Window class, onSize/2, defines

(a) during the processing of a key this event is executed with the ASCII value of the key pressed

(b) a menu command was selected

(c) a menu item is selected

(d) a window was resized

Q-17)   Window class, onMenuSelect/2, defines

(a) during the processing of a key this event is executed with the ASCII value of the key pressed

(b) a menu command was selected

(c) a menu item is selected

(d) a window was resized

Q-18)   Window class, onCommand/2, defines

(a) during the processing of a key this event is executed with the ASCII value of the key pressed

(b) a menu command was selected

(c) a menu item is selected

(d) a window was resized

Q-19)   SizerClient in window programming ?

(a) this type of sizer ensures that a panel window fills the complete client rectangle of a frame window

(b) this sizer class makes a panel ‘stick’ to one side of a frame window and the size of the panel window is a fixed number of pixels.

(c) this sizer ensures that a panel window is percentage of the size of a frame window.

(d) None of these

Q-20)   SizerPercent in window programming

(a) this type of sizer ensures that a panel window fills the complete client rectangle of a frame window

(b) this sizer class makes a panel ‘stick’ to one side of a frame window and the size of the panel window is a fixed number of pixels.

(c) this sizer ensures that a panel window is percentage of the size of a frame window.

(d) None of these