Understanding ASCII and Unicode

Understanding ASCII and Unicode

Assessment

Interactive Video

Computers

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial covers the conversion of decimal numbers to binary and the encoding of characters using ASCII and Unicode. It explains how ASCII uses 7 bits to represent characters and its limitations in representing a wide range of symbols and languages. The tutorial introduces Unicode as a solution, capable of using more bits to support a vast array of characters, including emojis. A practical demonstration using Notepad illustrates the difference in file size when saving characters in ASCII and Unicode formats.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how characters on a keyboard are associated with numbers.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some examples of commands on a keyboard that are represented by binary numbers?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the maximum number of characters that Unicode can support?

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