FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

COMPUTER OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is used in a crowded environment to hear audio.
A
Printers
B
Display devices
C
Speakers
D
Headphones
E
Interactive white board
Explanation: 

Detailed explanation-1: -Ambient Sound Technology This technology makes use of the headphones’ microphones to amplify external sounds and allow the users to hear their surroundings better. It’s an additional feature that usually comes with noise-cancelling headphones.

Detailed explanation-2: -Try noise-canceling headphones. Noise-canceling headphones can protect your hearing, if you use the right pair at the right time. Noise-induced hearing loss is a serious threat in today’s noisy environments.

Detailed explanation-3: -The inquiries to producers of headphones confirmed that the preferred materials for use in headphones are PVC, polyurethane and silicone for Around-ear and on-ear headphones while the soft material being applied in in-ear headphones is silicone.

Detailed explanation-4: -They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby to hear.

There is 1 question to complete.