- Henry Watson
- Charlas Babbage
- Douglas Carl Engelbart
- James Chadwick
- c
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Douglas Carl Engelbart was an American Engineer.
He invented Mouse in 1970.
2020
All Solved Past Papers 2020 are included in this section of ETEST Academy’s Website. All Solved MCQs of 2020 of All Departments. All Posts and All Testing Services are also included in this section.
UN stands for:
- United Nations
- Union Nations
- Upper Nations
- United National
- a
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UN was established on 24th October, 1945 after World War II.