(A) Ok
(B) Cancel
(C) Retry
(D) Start
Answer: (D) Start
Category: Computer Science MCQs Class 9
Computer Science solved multiple choice questions (MCQs) for class 9 with answers.
The first commercially successful machine UNIVAC-I was made in:
(A) 1941 AD
(B) 1951 AD
(C) 1961 AD
(D) 1955 AD
Answer: (B) 1951 AD
A spot that reflects laser beam into the sensor is interpreted as:
(A) 0
(B) 1
(C) 2
(D) 3
Answer: (B) 1
Internal memory unit that is the smallest and fastest temporary storage of a computer is called:
(A) RAM
(B) Register
(C) Cache memory
(D) Ports
Answer: (C) Cache memory
The bar which contains the name of active application is known as:
(A) Task bar
(B) Menu bar
(C) Title bar
(D) Tool bar
Answer: (C) Title bar