Paper 1 · ICT
UGC NET June 2024 Re-Exam (26.08.2024) Shift-I
What is the contribution of Douglas Engelbart in the gradual development of computers?
ADeveloped the first mouse ✓ Correct
BDeveloped the first operating system (OS)
CDeveloped the first vacuum tube
DDeveloped the World Wide Web (WWW)
Correct answer: (A) Developed the first mouse — Engelbart developed the first mouse, so that is the answer.
Explanation
★Engelbart developed the first mouse, so that is the answer.
★Douglas Engelbart was an American inventor.
★His work began in the 1950s.
★He developed the computer mouse in the 1960s with Bill English.
★It was patented in 1970.
★So his contribution was developing the first mouse.
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