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Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
Blackboard Learn (previously the Blackboard Learning Management System) is a web-based virtual learning environment and learning management system developed by Blackboard Inc. The software features course management, customizable open architecture, and scalable design that allows integration with student information systems and authentication ...
blackboard.com. Blackboard Inc., now Anthology is an American educational technology company with corporate headquarters in Boca Raton, Florida. Blackboard was known for Blackboard Learn, a learning management system. [ 4 ] Blackboard Inc. merged with Anthology in late 2021. [ 5 ]
Blackboard chalk manufacturers now may use mineral chalk, other mineral sources of calcium carbonate, or the mineral gypsum (calcium sulfate). While gypsum-based blackboard chalk is the lowest cost to produce, and thus widely used in the developing world , use of carbonate-based chalk produces larger particles and thus less dust, and it is ...
A blackboard system is the central space in a multi-agent system. It's used for describing the world as a communication platform for agents. To realize a blackboard in a computer program, a machine readable notation is needed in which facts can be stored. One attempt in doing so is a SQL database, another option is the Learnable Task Modeling ...
The store of information in the system was called an electronic blackboard. PLATO had a sophisticated help system, whereby different types of wrong answers resulted in the student being sent different help sequences. A rudimentary spell checker was included in the system. A comment page allowed the student to comment on the lessons at any time.
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