Data Representation Audio

What does "Manipulation" mean in the context of digital media?

• Editing an image or sound in any way

• Increasing the resolution of an image

• Converting an image to black and white

• Compressing an audio file

Which of the following is a number system with 16 possible options?

• Hexadecimal

• Binary

• Decimal

• Octal

What does the term "Resolution" refer to in the context of images?

• The number of colors in an image

• The quality of an image indicated by the number of pixels used to create it

• The size of the image file

• The brightness of an image

What is a "Pixel"?

• A type of image file

• A software used for editing images

• One individual dot of color within an image

• The brightness level of an image

What does "Hexadecimal" refer to in computing?

• A color model used in printing

• A number system with 16 possible options often used to represent colors on the web

• A type of image compression

• A method for increasing image resolution

What does "Manipulation" mean in the context of digital media?

• Creating a new image from scratch

• Editing an image or sound in any way

• Compressing an image file

• Printing an image

What do microphones allow devices to capture sound as?

• Light

• Electricity

• Heat

• Magnetism

How do digital devices represent waveforms?

• As colors

• As sequences of bits

• As sound waves

• As magnetic fields

What is the output of a speaker in terms of sound production?

• Voltage

• Light

• Air pressure

• Heat

What is the sampling rate mentioned for digitising sound?

• 22,050 samples/second

• 44,100 samples/second

• 48,000 samples/second

• 96,000 samples/second