Unit 4 - Binary Code/Image and Sound

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What does each number (0 and 1) represent?

0 = Off 1 = On

How many bits represent a byte?

8

How many bits represent a letter?

8

What is a pixel?

A square arranged in rows and columns on the computer monitor. They are used to make images.

What is a bit?

A zero or a one

What does ASCII stand for?

American Standard Code for Information Interchange

Which one has very large image files?

BMP

Which one is not compressed?

BMP

What type of system is the decimal system?

Base 10 System

What type of system is binary code?

Base 2 System

What does VGA translate?

Binary code into color combinations

What is binary code?

Computer Language

What is it called when sound is translated from analog to digital?

Digitizing

Which one can be animated?

GIF

Which one has smaller file sizes and only 256 colors?

GIF

Which one was specifically designed for the web?

GIF

Which one is the most popular format for pictures?

JPEG

Which one loses quality?

JPEG

Which one is popular on the internet?

JPEG and GIF

Which ones cannot be animated?

JPEG; PNG

Which one can be broken into pieces?

MP3

Which one has high compression?

MP3

Which one is the most popular sound file format?

MP3

Which type is good for use in both MAC's and PC's?

MP3

What are the two main types of sound files?

MP3 and WAV

Which one does not support all web browsers?

PNG

Which one was created to replace GIF?

PNG

What are the four main image file formats?

PNG, BMP, JPEG, GIF

What color combination is used in the monitor?

Red Blue Green

Computers need these to translate sound waves. What are they?

Sound Cards

Sounds are what?

Vibrations

Which one is always very large?

WAV

Which type is not highly compressed?

WAV

Which type of sound file cannot be modified?

WAV

What is digital sound made up of?

Zeros and Ones


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