Computer Graphics Multiple choice Questions and Answers-Basics of Computer Graphics

31.	The relationship among the data and objects which are stored in the database called application database, and referred by the?
a.	Application programs
b.	graphics display
c.	application model
d.	none of these

Answer: (a).Application programs

32.	Display processor is also called a
a.	display coprocessor
b.	graphics controller
c.	both (a) and (b)
d.	output device for graphics

Answer: (c).both (a) and (b)

33.	The purpose of display processor is __from the graphics routine task?
a.	To free the secondary memory
b.	to free the CPU
c.	to free the main memory
d.	none of these

Answer: (b).to free the CPU

34.	Length of shift register in bits is equal to __?
a.	number of scan lines
b.	A single scan lines
c.	one word
d.	One bit

Answer: (a).number of scan lines

35.	Data hazards occur when______________
a.	machine size is limited
b.	Greater performance loss
c.	Pipeline changes the order of read/write accesses to operands
d.	some functional unit is not fully pipelined

Answer: (d).some functional unit is not fully pipelined

36.	The main hardware components of a graphics workstation are____________
a.	display devices, recorder
b.	input and out put device
c.	CPU and Display Processor
d.	plotter, joystick

Answer: (c).CPU and Display Processor

37.	Which device is used to specify scalar values?
a.	String
b.	Stroke
c.	Locator
d.	Valuator

Answer: (d).Valuator

38.	Smallest size object that can be displayed on a monitor is called .....................
a.	Picture element
b.	Point
c.	Dot Pitch
d.	aspect ratio

Answer: (a).Picture element

39.	Each screen point is referred to as .........................
a.	Resolution
b.	Pixel
c.	Persistence
d.	Dot Pitch

Answer: (c).Persistence

40.	Identify different type of computer graphics
a.	Monochrome and Color
b.	CRT and Flat panel
c.	Vector an Raster
d.	Monitors and Hardcopy devices

Answer: (c).Vector an Raster