(A) John Napier
(B) Leibnitz
(C) Charles Babbage
(D) J. H. Muller
Answer: (C) Charles Babbage
Category: Computer Science MCQs Class 9
Computer Science solved multiple choice questions (MCQs) for class 9 with answers.
In MS-Word, which of the following features allows transferring text to another location without deleting it from its original location?
(A) Editing
(B) Moving
(C) Copying
(D) Scrolling
Answer: (C) Copying
Which of the following is a DOS internal command?
(A) DELTREE
(B) DISKCOPY
(C) FORMAT
(D) DIR
Answer: (D) DIR
Interpreter is a type of _____.
(A) System Software
(B) Service Software
(C) Utility Software
(D) Application Software
Answer: (A) System Software
Which of the following is a secondary memory?
(A) ROM
(B) PROM
(C) RAM
(D) CD-ROM
Answer: (D) CD-ROM