what is a light pen?
Answers
Answered by
1
A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.
Answered by
1
Answer:
Interlocking pattern of laying bricks was used while building walls in Harrapan cities.
Ancient Indus valley civilization was known for the strength of its walls which stood strong for thousands of years.
These bricks were watertight due to the presence of natural tar and coated with plaster for extra strength of the walls.
Similar questions