Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
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
2011
What is 'Booting'?
Answer:
The process of starting a computer
Booting is the process of starting a computer. It can be initiated by hardware such as a button press, or by a software command.
2012
What is 'VPN' tunneling?
Answer:
Encapsulating a data packet inside another data packet
VPN tunneling involves encapsulating a data packet inside another data packet to transmit it over a public network securely.
2013
What is 'Biometrics'?
Answer:
Body measurements and calculations related to human characteristics, often used for authentication (e.g., fingerprint, face ID)
Biometrics are body measurements and calculations related to human characteristics. Biometrics authentication is used in computer science as a form of identification and access control.
2014
What is a 'Search Engine'?
Answer:
A software system that is designed to carry out web searches
A search engine is a software system designed to carry out web searches (Internet searches), which means to search the World Wide Web in a systematic way for particular information.
2015
What is 'Bluetooth'?
Answer:
A wireless technology standard used for exchanging data between fixed and mobile devices over short distances
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances.
2016
What is a 'Router'?
Answer:
A device that forwards data packets between computer networks
A router is a networking device that forwards data packets between computer networks.
2017
What is a 'Modem'?
Answer:
A device that modulates and demodulates analog carrier signals to encode and decode digital information
Modem stands for Modulator-Demodulator. It is a hardware device that converts data into a format suitable for a transmission medium so that it can be transmitted from computer to computer.
2018
What is 'Ethernet'?
Answer:
A family of computer networking technologies commonly used in Local Area Networks (LAN)
Ethernet is the traditional technology for connecting devices in a wired local area network (LAN) or wide area network (WAN).
2019
What is 'Latency'?
Answer:
The delay before a transfer of data begins following an instruction for its transfer
Latency is the delay between a user's action and a web application's response to that action, often referred to in networking as ping.
2020
What is a 'Driver' in computing?
Answer:
A software component that lets the operating system and a device communicate with each other
A device driver is a group of files that enable one or more hardware devices to communicate with the computer's operating system.