Question

You need a(n) _____ to play an MP3 audio file on a desktop or laptop computer.

a.sound recorder software

b.stand-alone player

c.audio-input device

d.sound card

Answer 1

You need a(n) _____ to play an MP3 audio file on a desktop or laptop computer.
Answer: d) sound card
Irrespective of you have any application-level stand-alone media player or web browser media player application, you will not be able to hear anything if there is no sound card installed. A sound card is a basic thing that should be installed and be in place, so any other device drivers, or application-level software program can be installed on top of everything at a high level.

It is not the option (b) stand-alone player. This is because the option does not specify it is a stand-alone "media" player. Yes, to play an MP3 audio file on a desktop or laptop computer at the application level, you would need a stand-alone "media" player software, such as an audio or video player. It is not specific as to if it is a stand-alone "media" player or stand-alone "multi-media" player. This stand-alone player software could play anything, and could even be a stand-alone "media" player.

It is not the option (a) sound recorder software. This is because similar to audio-input devices (hardware), sound recorder software is used to capture sound, wherein this case, it is software than hardware. Example: Audacity is an application software to capture a sound that is created in real-time and recorded in real-time.

It is not the option (c) audio-input device. It is because it is a device to receive audios or audio signals as input to be further processed by the computer or processor. It does not produce any output audio signal for users to hear and listen to. Examples are microphones used to capture sound. even an audio output device can be used to produce audio to be fed as input to the audio input device.