(A) Blaise Pascal
(B) John Napeir
(C) Charles Babbage
(D) Herman Hollerith
Answer: (B) John Napeir
Computer Science solved multiple choice questions (MCQs) for class 9 with answers.
(A) Blaise Pascal
(B) John Napeir
(C) Charles Babbage
(D) Herman Hollerith
Answer: (B) John Napeir
(A) Virus
(B) Worm
(C) Adware
(D) Trojan
Answer: (C) Adware
(A) Synchronous transmission
(B) Asynchronous transmission
(C) Satellite transmission
(D) Microwave transmission
Answer: (A) Synchronous transmission
(A) 7
(B) 8
(C) 9
(D) 10
Answer: (C) 9
(A) UNIX
(B) Linux
(C) DOS
(D) Novell’s Network
Answer: (B) Linux