(A) CLS
(B) REM
(C) REN
(D) COPY
Answer: (B) REM
Category: Computer Science MCQs Class 9
Computer Science solved multiple choice questions (MCQs) for class 9 with answers.
The number of colours a CGA monitor displays is:
(A) 4
(B) 16
(C) 64
(D) 256
Answer: (B) 16
Which of the following is not a pointing device?
(A) Mouse
(B) Joystick
(C) Trackball
(D) None of these
Answer: (D) None of these
Which of the following printer requires a special heat sensitive waxy paper?
(A) Electrostatic
(B) Inkjet
(C) Electrothermal
(D) Laser
Answer: (C) Electrothermal
Which of the following is a semiconductor memory?
(A) ROM
(B) RAM
(C) PROM
(D) All of these
Answer: (B) RAM