(A) 1899 AD
(B) 1906 AD
(C) 1916 AD
(D) 1926 AD
Answer: (B) 1906 AD
Category: Computer Science MCQs Class 9
Computer Science solved multiple choice questions (MCQs) for class 9 with answers.
What is called the brain of an electronic computer?
(A) CPU
(B) CU
(C) ALU
(D) ROM
Answer: (A) CPU
The storage capacity of a single _____ is upto 680 Mbytes equivalent to 500 floppies.
(A) Hard Disk
(B) DVD
(C) CD-ROM
(D) None of these
Answer: (C) CD-ROM
_____ monitor shows resolution from 800×600 pixels to 1280×1024 pixels.
(A) S-VGA
(B) VGA
(C) EGA
(D) None of these
Answer: (A) S-VGA
Which of the following is NOT a pointing device?
(A) Mouse
(B) Joystick
(C) Trackball
(D) None of these
Answer: (D) None of these