A) Heart
B) Skin
C) Liver
D) Brain
Answer: B) Skin
Tag: Computer Science MCQs
The hardest natural substance on Earth is:
A) Iron
B) Diamond
C) Gold
D) Silver
Answer: B) Diamond
The fastest animal on land is:
A) Lion
B) Tiger
C) Cheetah
D) Horse
Answer: C) Cheetah
The planet known as the “Red Planet” is:
A) Earth
B) Mars
C) Jupiter
D) Venus
Answer: B) Mars
The chemical symbol for water is:
A) H₂
B) HO₂
C) H₂O
D) O₂H
Answer: C) H₂O
The amount of data transmitted for a given amount of time is called:
(A) Noise
(B) Bandwidth
(C) Frequency
(D) None of these
The answer is: (B) Bandwidth
Which language is known as the “mother of all programming languages”?
(A) Python
(B) Java
(C) C
(D) Assembly
The answer is: (C) C
The C programming language is often referred to as the “mother of all programming languages” because it laid the foundation for many modern languages like C++, Java, C#, and Objective-C. Besides, it introduced core programming concepts such as structured programming, pointers, and low-level memory access.
What is the main function of an operating system?
(A) Compiling code
(B) Managing hardware and software resources
(C) Managing applications resources
(D) Managing software resources
The answer is: (B) Managing hardware and software resources
The main function of an operating system (OS) is to act as an intermediary between the user and the computer’s hardware. It manages all the computer’s resources, including the central processing unit (CPU), memory, storage, and input/output devices. The OS ensures that different programs and applications can run smoothly and securely without interfering with each other.