MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER GRAPHICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which devices provides positional information to the graphics system?
A
Input devices
B
Output devices
C
Pointing devices
D
Both a and c
Explanation: 

Detailed explanation-1: -Answer: b Explanation: Input devices provide positional information to the system they are often called pointing devices.

Detailed explanation-2: -Digitizer is also known as Tablet or Graphics Tablet as it converts graphics and pictorial data into binary inputs. A graphic tablet as digitizer is used for fine works of drawing and image manipulation applications.

Detailed explanation-3: -The hardwares devices used for the computer graphics are Input Devices: Keyboard, Mouse, Data tablet, Scanner, Light pen, Touch screen, Joystick Output Devices: Raster Devices-CRT, LCD, LED, Plasma screens, Printers, Vector Devices-Plotters, Oscilloscopes.

Detailed explanation-4: -(b) Interactive Computer Graphics: One example of it is the ping-pong game. Interactive Computer Graphics require two-way communication between the computer and the user. A User can see the image and make any change by sending his command with an input device.

Detailed explanation-5: -Which device is used to input two-dimensional coordinates by activating a hand cursor on a flat surface? Explanation: Graphic tablet are also called data tablet.

There is 1 question to complete.