PPSC Computer Science Chapter 11 Computer Graphics Test With Answers

PPSC Computer Science Chapter 11 Computer Graphics Test

Sr. # Questions Answers Choice
1 A Bezier curve is a polynomial of degree______ the no of control points used. One more than One less than Two less than None
2 _____ curve is one of the sp the approximation methods Bezier Ellipsoid Sheering None
3 An___ can be considered as an extension of spherical surface. Bezier Ellipsoid Shearing None
4 A three dimensional object can also be represented using.,_______ Method Euation Point None
5 _________ is the most commonly used boundary presentation for a 3-D graphics objects. Data polygon Surface polygon System polygon None
6 A three dimensional graphics has Two axes Three axes Both a and b None
7 Pen or inject plotters use the following devices. Drum Flat bed Both a and b None
8 Which one of the basic input device in GUI Mouse Graphics tables Voice system Touch panel
9 GUI means Graphical user interface Graphical user interaction Graphics uniform interaction None
10 The basic graphical interactions are. Pointing Positioning Both a and b None
11 Plasma panel also called Liquid crystal display Gas discharge display Non emissive display None
12 Plasma panel have ____________ resolution. High Good Both a and b Low
13 Plasma device converts Electrical energy into light Light into electrical energy Light into graphical energy None
14 Plasma panel is an _________ device. Emissive Non emissive Expensive None
15 LCD is an _____ device. Emissive None emissive Gas discharge None
16 LCD means Liquid crystal display Liquid chromes data Liquid crystal data None
17 The division of the computer screen into rows and columns the define the no of pixel to display a picture is called. Persistence Resolution Encapsulated post script None
18 What is the name of temporary memory where the graphics data is stored to be displayed on screen. RAM ROM Frame buffer None
19 Printer produce output by either Impact method None impact method Both a and b None
20 Non impact use various techniques to combine three color pigment ___ to produce a range of color patterns. Cyan, magenta and yellow Cyan, white and black Cyan , white and yellow Black, magenta and yellow
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