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
4061
What is a "connectionless" protocol?
Answer:
A protocol where each packet is treated independently, without establishing a session first
Protocols like IP and UDP are connectionless. They just send the packets without any prior setup.
4062
The Internet uses which type of switching method?
Answer:
Packet switching
Packet switching breaks data into packets sent independently through the network.
4063
The "speed dial" feature, which displays a grid of your most visited websites on a new tab page, was popularized by which browser?
Answer:
Opera
Opera's Speed Dial feature was a novel idea when it was introduced and has since been adopted by many other browsers.
4064
Which of the following is a web browser?
Answer:
Netscape Navigator
Netscape Navigator is a web browser, while others are messaging or websites.
4065
What is the main advantage of a wired network over a wireless network?
Answer:
Speed and reliability
Wired networks generally offer faster speeds and a more stable, reliable connection than wireless networks.
4066
Which of the following is NOT a type of computer network?
Answer:
NAN
NAN is not a standard acronym for a type of computer network. LAN, WAN, and PAN are all standard network types.
4067
Which device is also known as a multiport repeater?
Answer:
Hub
A hub is essentially a repeater with multiple ports, as it regenerates and retransmits incoming signals to all connected devices.
4068
Microsoft Edge replaced which older Microsoft browser?
Answer:
Internet Explorer
Microsoft Edge is a cross-platform web browser created and developed by Microsoft, first released for Windows 10 and Xbox One in 2015, then for Android and iOS in 2017, for macOS in 2019, and as a replacement for Internet Explorer on Windows 7, 8, and 8.1.
4069
The first message sent over ARPANET was:
Answer:
"lo"
In 1969, the first message sent over ARPANET was intended to be "login," but the system crashed after the first two letters.
4070
The language used for coding web pages is:
Answer:
Hypertext Markup Language (HTML)
HTML is the standard markup language for creating web pages.