A blackboard whiteboard, though seemingly contradictory, refers to two distinct concepts: the traditional classroom blackboard, and a collaborative digital "whiteboard". Here’s a breakdown:
Traditional Blackboard
This is what most people picture when they hear "blackboard".
- Description: It is a traditional classroom presentation board, usually black or dark green, that you write on with chalk.
- Usage: You use a felt pad or eraser to wipe off the chalk markings.
- Evolution: While traditionally black, these boards may also be found in "white" or other colors and may use colored chalks. This refers to a chalkboard that is not black.
Digital "Whiteboard"
This is a computer-based collaborative space.
- Description: This is not a physical board, but a digital canvas used for collaboration, brainstorming, and presentation.
- Usage: People write or draw on these whiteboards using software tools.
- Naming: According to the reference (2), these digital boards are called "whiteboards" because their backgrounds are typically white, much like a traditional whiteboard.
Summary Table
Feature | Traditional Blackboard | Digital "Whiteboard" |
---|---|---|
Type | Physical board | Digital canvas |
Writing Tool | Chalk | Software tools |
Surface | Usually black or dark green, possibly white or colored | White background (typically) |
Erasure | Felt pad/eraser | Digital erase |
Purpose | Presentation, teaching | Collaboration, brainstorming, presentation |
Location | Classroom/physical space | Computer/digital space |
Key Takeaway
The term "blackboard whiteboard" highlights the evolution of visual aids. The traditional blackboard (2) is physical and uses chalk, while the digital "whiteboard" is a virtual tool for collaboration, often with a white background.