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Digital Information

Students will explore the ways that digital information is encoded, represented and manipulated.
Chapter 1: Representing & Transmitting Information
Topic
 Purpose
Lesson
U2Ch1L1: Bytes and File Sizes Students are introduced to the standard units for measuring the sizes of digital files: bytes, kilobytes, megabytes, gigabytes, etc. Click Here.
U2Ch1L2: Text Compression Students will learn how to compress data so that they can send a large amount of information faster. Click Here.
U2Ch1L3:
Encoding B&W Images		 Students will use different methods to encode digital images in binary which will require the use of metadata and pixel data. Click Here.
U2Ch1L4: Encoding Color Images Students will encode images using the RGB color scheme. They will also learn how to encode using a hexadecimal notation for larger groupings of binary digits. Click Here.
U2Ch1L5: Lossy vs. Lossless Students will learn the difference between lossy and lossless compression. Click Here.


Questions? jharrington@sthelenaunified.org