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
81
A router connects:
Answer:
Two or more networks
The fundamental purpose of a router is to connect different networks.
82
What is a group of computers and devices linked in one system known as?
Answer:
Network
A network connects multiple computers and devices for sharing resources and communication.
83
Which network type is the easiest to set up?
Answer:
PAN
PANs, especially those using Bluetooth, are typically the easiest to set up, often involving a simple pairing process.
84
Which type of network is generally more secure?
Answer:
Wired network
Wired networks are inherently more secure because they require a physical connection, making it harder for unauthorized users to access the network.
85
What is a "dead spot" in a wireless network?
Answer:
An area where the Wi-Fi signal is weak or non-existent
Dead spots are areas where the wireless signal is blocked or too far from the access point to provide a stable connection.
86
A cable TV network is an example of a:
Answer:
MAN
Cable TV networks often span an entire city, providing service to many homes and businesses, which fits the description of a MAN.
87
If your internet connection is slow, what is the first thing you should check?
Answer:
Both bandwidth and latency using a speed test
A speed test will give you a good idea of your current throughput (download/upload speeds) and latency (ping), which are the two main indicators of connection performance.
88
Which network type is common for international organizations?
Answer:
WAN
Wide Area Networks (WANs) span large geographic distances, connecting networks across cities, countries, or continents.
89
Which of the following is not categorized as an internetwork?
Answer:
All are internetworks
LAN, MAN, and WAN are all types of internetworks connecting multiple networks.
90
Which type of network requires a wireless access point (WAP)?
Answer:
Wireless network
A wireless access point is the device that broadcasts the Wi-Fi signal, allowing wireless devices to connect to the network.