COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
benefits of headphones
A
allow sound to be heard by the user only (mostly), portability, usually inexpensive
B
used anywhere, not dependent on location
C
mouse, microphone, keyboard, joystick, webcam, MICR, OCR, OMR, barcode reader
D
easy to type text and numbers, compatible with all desktops, wide variety available
Explanation: 

Detailed explanation-1: -Superior Sound Quality You should be able to hear all levels of audio crisply at both high and low frequencies. Many high-performance headphones are also noise-canceling, which improves sound quality by blocking out external noises, resulting in a more fully immersive audio experience.

Detailed explanation-2: -If you crank your tunes up to drown out the world around you, it’s possible you’re deafening yourself slowly. In order to avoid doing this, a set of noise cancelling headphones makes your music far easier to hear and prevents the need to turn your music up to a high volume.

Detailed explanation-3: -Headphones provide a solution to block out the background noise and hone in on the audio, helping you to stay focused. This may also give you the ability to concentrate on what you are learning more efficiently and retain information better.

There is 1 question to complete.