Computer Graphics Multiple choice Questions and Answers-Interactive Input Methods

1.	The component of interactive computer graphics are
a.	A light pen
b.	Display unit
c.	Bank of switches
d.	All of these

Answer: (d).All of these

2.	Pen or inkjet plotters use the following devices
a.	Drum
b.	Flat bed
c.	Both a & b
d.	None of these

Answer: (c).Both a & b

3.	__________ allows screen positions to be selected with the touch of a finger.
a.	Touch panels
b.	Image scanner
c.	Light pen
d.	Mouse

Answer: (a).Touch panels

4.	What is the disadvantage of the light pen?
a.	It’s shape
b.	They cannot detect positions
c.	Accurate reading
d.	Cannot detect positions within black areas

Answer: (d).Cannot detect positions within black areas

5.	________ is used in graphics workstation as input devices to accept voice commands.
a.	Touch panels
b.	Speech recognizers
c.	Both a and b
d.	None of the above

Answer: (b).Speech recognizers

6.	When a voice command is given, the system searches the _____________for a frequency-pattern match.
a.	Memory
b.	Input data
c.	Dictionary
d.	Hard disk

Answer: (c).Dictionary

7.	The device which is designed to minimize the background sound is
a.	Microphone
b.	Digitizers
c.	Data glove
d.	Joy stick

Answer: (a).Microphone

8.	Which of the following device is not the input device?
a.	Trackball and space ball
b.	Data glove
c.	Touch screen
d.	Impact printers

Answer: (d).Impact printers

9.	Which device contains thumbwheel, trackball and a standard mouse ball?
a.	Z mouse
b.	Joystick
c.	Mouse
d.	Trackball

Answer: (a).Z mouse

10.	Virtual reality, CAD, and animations are the application of
a.	Z mouse
b.	Digitizers
c.	Data tablets
d.	Image scanners

Answer: (a).Z mouse