ALEX Classroom Resource

  

Representing Text, Images, and Sound

  Classroom Resource Information  

Title:

Representing Text, Images, and Sound

URL:

https://www.bbc.com/bitesize/guides/zpfdwmn/revision/1

Content Source:

Other
BBC
Type: Informational Material

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.

Content Standard(s):
Digital Literacy and Computer Science
DLIT (2018)
Grade: 6
21) Identify varying data structures/systems and methods of classification, including decimal and binary.

Examples: Difference between a bit and a byte, bit representation, pixels.

Insight Unpacked Content
Evidence Of Student Attainment:
Students will:
  • recognize various data structures and methods of classification such as binary and decimal.
Teacher 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
DLIT (2018)
Grade: 6
22) Summarize the purpose of the American Standard Code for Information Interchange (ASCII).

Insight Unpacked Content
Evidence Of Student Attainment:
Students will:
  • summarize the purpose of the American Standard Code for Information Interchange (ASCII).
Teacher 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.
Tags: analog, ASCII, binary, bits, data compression, digital, lossless compression, pixels, unicode
License Type: Custom Permission Type
See Terms: https://www.bbc.co.uk/usingthebbc/terms/
For full descriptions of license types and a guide to usage, visit :
https://creativecommons.org/licenses
AccessibilityText Resources: Content is organized under headings and subheadings
Comments
  This resource provided by:  
Author: Aimee Bates