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

Discuss

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

Discuss

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

Discuss

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

Discuss

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

Discuss

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

Discuss

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

Discuss

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

Discuss

Answer: (d).Impact printers

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

Discuss

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

Discuss

Answer: (a).Z mouse