Data representation

Front

ASCII

Back

American Standard Code for Information Interchange

Front

How many bits does the ASCII system use?

Back

7 bits

Front

What is the total number of codes in the ASCII character set?

Back

127

Front

How many bits does Unicode use to represent characters?

Back

32 bits

Front

What is the purpose of Unicode?

Back

To accommodate various languages

Front

What is the main purpose of compression software?

Back

To reduce the size of files

Front

Reason for reducing the size of a file:

Back

To improve online experience

Front

What is a characteristic of lossy compression?

Back

Data is permanently removed, reducing file size

Front

Which type of compression allows the file to be exactly recreated?

Back

Lossless Compression

Front

Why is lossy compression often used for images on websites?

Back

It reduces file size without impairing overall quality