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b) Hardware

c) Cyber attack
d) Antivirus

े
45. Gmail account को Open करने क ललए क्या करते हैं ?

a) Delete
b) Sing up
c) Sign in
d) Signout

46. Which os is called first os

a) Windows 1
b) Dos
c) GM-NAA I/O
d) IBM 704

47. =quotient (5,2)

a) 2
b) 3
c) 1
d) 4

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