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Extra Bits Flashcards

(11 cards)

1
Q

How many bits and bytes does 8-bit sound use? How many for 16-bit?

A

8-bit uses eight bits (or one byte)

16-bit uses sixteen bits (two bytes)

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2
Q

How is sampling rate measured?

A

In Hertz

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3
Q

How many Hertz, kHz, do modern sound recordings use?

A

44.1 kHz

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4
Q

What is the average frame rate for digital videos?

A

30 fps

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5
Q

How many bytes is in 8-bit color images? How many for 24-bit?

A

One byte for each pixel

For 24-bit, three bytes for each pixel

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6
Q

How do pixels work in RGB displays?

A

A pixel will display different colors depending on the brightness of each light

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7
Q

What happens when a files is compressed using a lossless compression algorithm?

A

When decompressed, will be exactly the same as the file before compression, bit for bit

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8
Q

What is lossy compression usually used for?

A

Images, videos, and audio files

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9
Q

What are the advantages and disadvantages of a desktop?

A

Advantages
- Modular
- Easy to repair and upgrade
- More powerful

Disadvantages
- Not mobile
- Requires AC power

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10
Q

What are the advantages and disadvantages of notebooks/laptops?

A

Advantages
- Lighter, more compact
- Int. mouse, keyboard
- Wireless networking
- Battery power

Disadvantages
- Difficult to repair
- More expensive
- Less computing power

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11
Q

What are the advantages and disadvantages of smartphones?

A

Advantages
- Best mobility
- Integrated hardware
- Inexpensive apps
- Less expensive
- Touch screen

Disadvantages
- Difficult to repair/almost impossible to upgrade
- Sealed battery
- Low productivity

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