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
21
Which of the following are recognized types of network sockets?
Answer:
Allof these”
Network sockets are endpoints for communication. Common types include Datagram sockets (used for UDP), Stream sockets (used for TCP), and Raw sockets (which allow direct access to lower-level protocols).
22
Which type of cable consists of two separate insulated copper wires that are twisted together?
Answer:
Twisted pair wire”
Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of canceling out electromagnetic interference (EMI) from external sources and crosstalk between neighboring pairs.
23
What is the total bit size of an IPv4 address?
Answer:
32 Bits”
An IPv4 address consists of 32 bits, which are typically represented in dotted-decimal notation as four octets (each 8 bits long).
24
Through what medium do wireless modems transmit data signals?
Answer:
of
Wireless communication relies on electromagnetic waves to transmit data through free space, often referred to as the air or atmosphere.
25
In computer networking, what does the term 'Full Duplex' (often abbreviated as FD or similar) refer to?
Answer:
Full duplex
Full duplex refers to a communication system that allows data to be transmitted and received simultaneously between two devices.
26
Which of the following are fundamental characteristics of analog carrier waves?
Answer:
Amplitude
Analog signals are continuous waves that can be characterized by several properties, including amplitude, frequency, and phase.
27
in both directions at a time is called
Answer:
Full duplex”
The source answer is option B (Full duplex”). Review the stem and options, then update the correct answer in Question Bank if the source key is wrong.
28
Which of the following devices operate using simplex mode transmission?
Answer:
a, bY
Simplex mode allows for unidirectional communication only.
29
What is the name for the transmission of data using light signals?
Answer:
Color glass
Data transmission using light is achieved through fiber-optic technology. While the question options are unconventional, the process involves sending pulses of light through optical fibers to carry information at high speeds over long distances.
30
What type of data transmission occurs between a computer and a keyboard?
Answer:
Simplex”
Simplex transmission is a mode where data flows in only one direction.