21. “Abacus” was established by?
A. China
B. USA
C. Pakistan
D. UK
see answer
A. China
22. _________________is the father, of punched card.
A. Charles Babbage ,
B. Blasie Pascal,
C. Herman Hollerith
D. Joanthan Lva,
see answer
C. Herman Hollerith
23. First supercomputer established in India is?
A. Aryabhatt
B. Badrinath
C. Param
D. None
see answer
C. Param
24. “C language” industrialized by Dennis Ritchie in:
A. 1977
B. 1981
C. 1972
D. None
see answer
C. 1972
25. “First computer mouse” was built by?
A. Robert Zawacki
B. Oaniel Coogher
C. Douglas Engelbart
D. William English
see answer
C. Douglas Engelbart
26. “Tabulating machine” was conceived by?
A. Ada Byron
B. Charles Babbage
C. Herman Hollerith
D. Blaise Pascal
see answer
C. Herman Hollerith
27. Tally package is established by?
A. Tally Solutions
B. Apple Software
C. Microsoft
D. None
see answer
A. Tally Solutions
28. “Ruby” was established by?
A. NCIA/E
B. Alan Cooper
C. Yukihiro Matsumoto
D. Grace Hopper
see answer
C. Yukihiro Matsumoto
29. Who is the, creator of UNIX?
A. Johnson
B. Ken Thompson
C. Ramavart Cathrin
D. Rod Fension
see answer
B. Ken Thompson
30. Who is the principal of Microsoft?
A. Arsalan Khan
B. Charles Babbage
C) Bill Gates
D. Joseph
see answer
C) Bill Gates
