ITF - Quiz 7.3 - Multimedia Ports and Devices

What is the purpose of a sound card?

• To process audio signals and provide interfaces for connecting equipment

• To convert analog signals to digital form

• To transmit digital signals for surround sound speaker systems

• To record audio and video from various inputs and outputs

What is the basis of a sound card?

• Digital Signal Processor (DSP) chip

• Analog audio connectors

• Microphone and headphone jacks

• USB port or Bluetooth connection

What is the purpose of a microphone input on a sound card?

• To provide a low-level stereo signal for audio input

• To output a low-level analog stereo signal for speakers or headphones

• To provide a signal for rear speakers in a surround sound system

• To transmit digital signals for surround sound speaker systems

What is the purpose of an audio out (lime) on a sound card?

• To provide a low-level analog stereo signal for speakers or headphones

• To provide a low-level stereo signal for audio input

• To output a signal for rear speakers in a surround sound system

• To transmit digital signals for surround sound speaker systems

What is the purpose of an audio out (black) on a sound card?

• To output a signal for rear speakers in a surround sound system

• To provide a low-level stereo signal for audio input

• To provide a low-level analog stereo signal for speakers or headphones

• To transmit digital signals for surround sound speaker systems

What is the purpose of an audio out (orange) on a sound card?

• To output a signal for the subwoofer in a surround sound system

• To provide a low-level stereo signal for audio input

• To provide a low-level analog stereo signal for speakers or headphones

• To transmit digital signals for surround sound speaker systems

What is the purpose of an S/PDIF jack on a sound card?

• To transmit digital signals for surround sound speaker systems through fiber optic or coaxial cabling

• To provide a low-level stereo signal for audio input

• To output a low-level analog stereo signal for speakers or headphones

• To connect microphones, headsets, and speakers via USB or Bluetooth

What is the purpose of surround sound speaker systems?

• To provide a cinematic audio experience using multiple speakers

• To process audio signals and provide interfaces for connecting equipment

• To convert analog signals to digital form

• To record audio and video from various inputs and outputs

What is the purpose of an equalizer (EQ) in a speaker system?

• To adjust volume, bass, and treble

• To process audio signals and provide interfaces for connecting equipment

• To convert analog signals to digital form

• To record audio and video from various inputs and outputs

What is the purpose of webcams?

• To record video images using a digital sensor and often have a built-in microphone

• To process audio signals and provide interfaces for connecting equipment

• To convert analog signals to digital form

• To record audio and video from various inputs and outputs