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
31
Why do codes that do not require frequent updates enhance user efficiency?
Answer:
Stability
Stability in coding systems refers to the consistency of data structures over time.
32
Which of the following is not strictly required when implementing a barcode system in a supermarket environment?
Answer:
Price on the shelf
In a modern barcode-based POS system, the price is stored in the central database and retrieved by scanning the barcode.
33
Which wireless technology, developed in 1997, was named after a historical Viking king?
Answer:
Bluetooth
Bluetooth technology was named after King Harald Bluetooth, a 10th-century Viking king who united disparate Scandinavian tribes.
34
What action is performed by pressing the 'Windows Key + L' shortcut?
Answer:
Lock Desktop
The Windows Key + L shortcut is a quick way to lock the computer.
35
What term describes the shared boundary or point of interaction between two distinct systems?
Answer:
Interface
An interface serves as the common boundary or connection point where two systems, devices, or software components interact and exchange information. It acts as the bridge that allows disparate systems to communicate effectively with one another.
36
What is the full form of the acronym IMEI?
Answer:
International Mobile Equipment Identity
IMEI stands for International Mobile Equipment Identity. It is a unique 15-digit number used to identify valid devices on a mobile network. It is often used by network providers to track or block stolen mobile phones.
37
Which of the following programming languages is specifically designed to support structured programming principles?
Answer:
PASCAL
Pascal was developed by Niklaus Wirth specifically to encourage good programming practices through structured programming and data structuring.
38
What is the full form of the acronym CAM?
Answer:
Computer Aided Manufacturing
CAM stands for Computer-Aided Manufacturing. It refers to the use of software and computer-controlled machinery to automate manufacturing processes, ensuring high precision and efficiency in industrial production environments.
39
What is the acronym for the organization responsible for publishing programming language standards?
Answer:
ANSI
ANSI stands for the American National Standards Institute.
40
What is the standard unit used to measure memory capacity in modern mainframe and advanced microcomputer systems?
Answer:
Megabytes
While memory was historically measured in smaller units, modern mainframe and advanced microcomputer systems possess large capacities that are typically expressed in Megabytes (MB), Gigabytes (GB), or even Terabytes (TB) to reflect their significant.