Sound & Image

Explain the difference between sampling rate and sampling resolution.

How to explain Vector Graphics?

• Use in photos, basic drawing

• Use in high quality drawing, logos

• jpeg

• Store color at every pixel in sequence

Explain what is digital data.

What is the step after DAC converts digital data into analogue during sound converting to recording?

• ADC converts it into digital data.

• Digital data stored on the computer.

• Analogue wave is captured.

• Analogue data turned into sound by speaker.

Explain the difference between ASCII and Unicode.

Explain how the sapling resolution will affect the accuracy of the digitized sound.

A picture has width 8192 pixels and height 256 pixels. It is saved as a 256-color bitmap. Calculate the file size in kilobytes.

A picture has been drawn and is saved as a monochrome bitmap image. State how many pixels are stored in one byte.

A logo is 500 pixels by 1000 pixels and uses 35 different colors. Estimate the file size for the logo. Give your answer in kilobytes.

The frequency with which the frames are displayed is called?