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
21
If you want to connect a printer to your network that all computers can use, you would connect it to a:
Answer:
Switch
You would connect the printer to a switch (or the switch part of your router) to make it accessible to all devices on the LAN.
22
What is a major consideration when planning a wired network installation?
Answer:
The layout of the building and where to run cables
The physical installation of cables is a major part of setting up a wired network.
23
The typical length of an IP address is:
Answer:
4 bytes
IPv4 addresses are 4 bytes (32 bits) in length.
24
HTML uses
Answer:
Pre-specified tags
HTML uses predefined tags to structure content, not user-defined tags.
25
In which scenario would a wired network be the only option?
Answer:
In an area with a lot of radio interference
In environments with high levels of electromagnetic interference, a wireless network would be unreliable, making a shielded wired network the better choice.
26
What is the birthplace of the World Wide Web?
Answer:
CERN
The World Wide Web was invented by Tim Berners-Lee at CERN, the European Organization for Nuclear Research, located near Geneva, Switzerland. He proposed the project in 1989 to help physicists around the world share information more easily.
27
"Gigabit Ethernet" refers to a bandwidth of:
Answer:
1,000,000,000 bits per second
"Giga" is the prefix for a billion, so Gigabit Ethernet has a bandwidth of 1 Gbps.
28
Which device would you use to connect two separate LANs?
Answer:
Router
A router is the device specifically designed to connect different networks.
29
Which device is used to connect a LAN to the internet?
Answer:
Router
A router is the gateway between a local area network (LAN) and a wide area network (WAN) like the internet.
30
In a P2P network, where are the resources (files, printers) located?
Answer:
Distributed among the peer computers
Resources in a P2P network are shared directly from the hard drives of the individual peer computers.