Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 3 Days Ago
Questions Answered: 66690
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 27 Aug 2017 My Price 5.00

rewrite the screen

47.    Assuming that it takes 2 nsec to copy a byte, how much time does it take to completely rewrite the screen of an 80 character ´ 25 line text mode memory-mapped screen? What about a 1024 ´ 768 pixel graphics screen with 24-bit color?

48.    In Fig. 5-36 there is a class to RegisterClass. In the corresponding X Window code, in Fig. 5-34, there is no such call or anything like it. Why not?

49.    In the text we gave an example of how to draw a rectangle on the screen using the Win- dows GDI:

 

Rectangle(hdc, xleft, ytop, xright, ybottom);

Is there any real need for the first parameter (hdc), and if so, what? After all, the coor- dinates of the rectangle are explicitly specified as parameters.

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Aug 2017 07:08 AM My Price 5.00

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