Classroom Resource

Representing Text, Images, and Sound

Subject Area

Digital Literacy and Computer Science

Grade(s)

6

Overview

Learn how text, images, and sound are converted into binary so they can be processed by a computer and how images and sound are compressed to create smaller files.

Includes information on ASCII, unicode, binary, pixels, bits, analog, digital, data compression, lossless compression.

Digital Literacy and Computer Science (2018) Grade(s): 6

DLCS18.6.21

Identify varying data structures/systems and methods of classification, including decimal and binary.

Unpacked Content

UP:DLCS18.6.21

Vocabulary

  • data structures
  • decimal
  • binary

Knowledge

Students know:
  • how to recognize a binary number system including bits and bytes.

Skills

Students are able to:
  • identify how binary can be used for bit representation in pixels.

Understanding

Students understand that:
  • there are several data structures and methods for classification.
Digital Literacy and Computer Science (2018) Grade(s): 6

DLCS18.6.22

Summarize the purpose of the American Standard Code for Information Interchange (ASCII).

Unpacked Content

UP:DLCS18.6.22

Vocabulary

  • American Standard Code for Information Interchange

Knowledge

Students know:
  • that the American Standard Code for Information Interchange (ASCII) was created to use one harmonious languages for computers and programs to communicate.

Skills

Students are able to:
  • summarize the purpose of the American Standard Code for Information Interchange (ASCII).

Understanding

Students understand that:
  • without ASCII, there may be no way for programs or computers to communicate.
Link to Resource
https://www.bbc.com/bitesize/guides/zpfdwmn/revision/1

CR Resource Type

Informational Material

Resource Provider

Other

Resource Provider other

BBC
Accessibility

Accessibility

Text Resources: Content is organized under headings and subheadings
License

License Type

CUSTOM

Custom License Type (URL)

https://www.bbc.co.uk/usingthebbc/terms/

Approved Date

ALSDE LOGO

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