Representing Sound

Front

Which type of graphics store details about every individual element of the image?

Back

Bitmap

Front

Storing every pixel in a bitmap graphic is called a __________.

Back

Pixel

Front

Storing every pixel in a bitmap graphic means the file size can be very __________.

Back

Large

Front

Which type of graphics store information about mathematical objects like lines, curves, and shapes?

Back

Vector

Front

In vector graphics, the objects can include lines, curves, and __________.

Back

Shapes

Front

Factors affecting sound quality when recording sound: Sample rate, bit depth, and bit rate; Screen resolution, color depth, and refresh rate; File size, download speed, and upload speed; Font size, line spacing, and margin width.

Back

Sample rate, bit depth, and bit rate

Front

Why is there a need for analogue-to-digital conversion in sound recording?

Back

To store sound in a digital format for computers and devices

Front

Why does sound need to be converted into binary for computers?

Back

So computers can process it

Front

What device is usually used to capture sound before it is converted into digital form?

Back

Microphone

Front

What is the purpose of an analogue to digital converter (ADC)?

Back

To convert analogue sound into a digital signal