Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
951
A byte consists of a group of:
Answer:
8 bits
One byte is made up of eight individual bits, forming a basic unit of data in computing.
952
What device has a built-in adapter to interpret data transmitted over radio signals?
Answer:
Router
Routers include adapters to decode and direct data sent via radio waves in wireless networks.
953
Which is NOT a function of the Operating System?
Answer:
Virus protection
Virus protection is typically the role of antivirus software, not the operating system itself.
954
In the context of internet technologies, the acronym DNS means:
Answer:
Domain Name System
DNS refers to the Domain Name System, which translates human-friendly website names into computer-friendly IP addresses.
955
What is the main function of an operating system?
Answer:
To make the most efficient use of the computer hardware
The primary purpose of an operating system is to manage computer resources efficiently and effectively.
956
Which of the following is an example of an absolute path in Linux or macOS?
Answer:
/home/john/documents
An absolute path in Linux or macOS starts with a forward slash (/), which represents the root directory.
957
Where is the computer’s basic input/output system (BIOS) stored?
Answer:
ROM
BIOS firmware is embedded in ROM, ensuring vital boot instructions are available even when the computer is powered off.
958
Which of the following does NOT happen during the power-on self-test (POST)?
Answer:
The scan disk utility begins to run
The POST checks hardware components like memory and video, but disk scanning utilities run later in the boot process.
959
The process of dividing a large program into smaller, more manageable parts is called:
Answer:
Segmentation
Segmentation is a memory management technique in which the memory is divided into variable-sized blocks, which are called segments.
960
Ctrl + G is used to
Answer:
Open Find and Replace Dialog box with activating Goto Tab
** Ctrl + G opens the "Find and Replace" dialog box with the "Go To" tab active, making it easy to jump to specific pages, sections, or lines.