MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ORGANIZATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Identify the pointing device
A
Keyboard
B
Mouse
C
Light pen
D
Touch sensitive screen
Explanation: 

Detailed explanation-1: -A touch screen is an electronic display screen that is also an input device. A user interacts with the computer, tablet, smartphone or touch-controlled appliance by using hand gestures and fingertip movements to tap pictures, moving elements or type words on the screen.

Detailed explanation-2: -The major pointing devices in use today are the mouse, trackpad or touchpad (laptop), touch screens, etc.

Detailed explanation-3: -Touch screens are used on various devices, such as computer and laptop displays, smartphones, tablets, cash registers, and information kiosks.

Detailed explanation-4: -The various devices, such as smartphones, information kiosks, computers, laptop displays, tablets, and cash registers, all have a touch screen. Instead than using touch-sensitive input, some touch screens use a grid of infrared beams to detect the presence of a finger.

There is 1 question to complete.