Discovery & Inventions - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0


Time left:
 
Question : 1

An American Engineer named 'Douglas Engelbart' invented which piece of computer hardware in 1964?

Options :
  •  The floppy disk
  •  The hard disk
  •  The modem
  •  The mouse