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A thorough examination of the invention of whiteboards reveals the concept was introduced two decades earlier by mechanical engineer Paul F. Born who installed one in a classroom in Elgin, Ill., in 1937. [1] Born was the head of the district's school board at the time. Door sign to the offices of Magiboards at The Cut in Waterloo, London, in 1966.
Some hotels also provide "make up room" signs giving the opposite instructions. Do not disturb signs can also be used by those who keep valuables in their rooms in order to deter possible thieves. [2] They are also used in schools to let other staff members and students at the school know that testing is in progress in the particular classroom.
An interactive whiteboard (IWB) device can either be a standalone computer or a large, functioning touchpad for computers to use. Interactive whiteboards are widely used in classrooms, boardrooms, and training environments, providing an innovative way to share information, facilitate discussions, and enhance the overall learning or business communication experience.
The term refers to the electronic marking or grading of an exam. E-marking is an examiner led activity closely related to other e-assessment activities such as e-testing, or e-learning which are student led. E-marking allows markers to mark a scanned script or online response on a computer screen rather than on paper.
In most Asian countries, a special marker is used to fill in an optical answer sheet. Students, likewise, mark answers or other information by darkening circles marked on a pre-printed sheet. Then the sheet is automatically graded by a scanning machine. Many of today's OMR applications involve people filling in specialized forms.
Overhead projector in operation during a classroom lesson. An overhead projector (often abbreviated to OHP), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience.
A permanent marker can also be removed by drawing over it with a dry erase marker on non-porous surfaces such as a whiteboard, [3] as dry erase markers also contain a non-polar solvent. Most dry-erase board cleaner solutions also contain effective organic solvents like 2-butoxyethanol to remove the pigment.
Survey markers, also called survey marks, survey monuments, or geodetic marks, are objects placed to mark key survey points on the Earth's surface. They are used in geodetic and land surveying . A benchmark is a type of survey marker that indicates elevation ( vertical position ).