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Peer Review

Binary Base-2 & Hindu Arabic Base-10 Counting

by Felipe Razo


Overall Numeric Rating:

4.75 stars
Content Quality: 4.75 stars
Effectiveness: 4.25 stars
Ease of Use: 4.75 stars
Reviewed: Apr 15, 2010 by Engineering Editorial Board
Overview: An interactive animation which illustrates counting in binary.
Type of Material: Interactive Animation.
Recommended Uses: In class - as a demonstration with the teacher explaining what is happening. With additional support it could be used for independent learning.
Technical Requirements: Requires Flash. Works in Firefox and IE - failed to work in Chrome (with Flash installed)
Identify Major Learning Goals: Understanding of the binary counting system The conversion from base 10 to base 2 numbers.
Target Student Population: Mathematics, computer studies, basic electronics.
Prerequisite Knowledge or Skills: Boolean algebra.

Evaluation and Observation

Content Quality

Rating: 4.75 stars
Strengths: Exciting lively animation.
Concerns: It could benefit from an audio description to explain what is happening in the animation and why.

Potential Effectiveness as a Teaching Tool

Rating: 4.25 stars
Strengths: Once the mechanism is understood the illustration should provide a memorable experience that leads to a good understanding.
Concerns: The mechanism needs to be explained. A simple video with accompanying audio would be a useful addition for independent learning.

Ease of Use for Both Students and Faculty

Rating: 4.75 stars
Strengths: It has very limited functionality but very good at what it does. Very eay and fun to use.
Concerns: When you access it first, it is not immediately obvious what you have to do. However a small amount of instruction from an instructor will solve that.

Other Issues and Comments: None.