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
181
**In education, what is a Learning Management System (LMS)?**
Answer:
A software application for the administration, documentation, tracking, reporting, and delivery of educational courses or training programs
** An LMS is a comprehensive platform used by educational institutions to manage all aspects of the learning process, from course content and assignments to communication and grading.
182
The technology that allows you to make payments by simply tapping your credit card or smartphone on a terminal is called:
Answer:
Near Field Communication (NFC)
** NFC is a short-range wireless communication technology that enables secure, contactless transactions and is a common feature in modern smartphones and payment cards.
183
A hybrid computer is a combination of the features of:
Answer:
Analog and digital computers
** Hybrid computers combine the best features of both analog and digital computers. They use the analog component for fast computation and the digital component for logic, control, and precision.
184
**Which of the following represents one billion bytes?**
Answer:
Gigabyte (GB)
** A Gigabyte (GB) is a unit of digital information storage which is roughly equivalent to one billion bytes. It is a common unit for modern hardware such as hard drives and RAM.
185
What is the binary equivalent of a single unit of digital information?
Answer:
8 bits
The fundamental unit of digital information is the byte. A single byte is universally defined as consisting of 8 binary digits, or bits. This allows for 256 different combinations (2^8), which can represent characters, numbers, and other data.
186
**In the context of banking, what does ATM stand for?**
Answer:
Automated Teller Machine
** ATMs are electronic telecommunications devices that enable customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, transfer funds, or obtaining account information, at any time and without the need for direct interaction with bank staff.
187
**Which of the following is a single-board computer?**
Answer:
A Raspberry Pi
** A single-board computer is a complete computer built on a single circuit board, with a microprocessor, memory, input/output, and other features. The Raspberry Pi is a very popular example used by hobbyists and educators.
188
The computers that run the servers for large websites like Google and Facebook can be considered a modern, distributed form of:
Answer:
Supercomputer
** Large internet companies build their data centers using vast numbers of interconnected commodity microcomputers (servers). This distributed computing approach allows for massive scalability and is a different architecture from traditional mainframes or supercomputers.
189
**Embedded computers are a type of microcomputer that are:**
Answer:
A part of a larger system or machine with a dedicated function
** An embedded computer is a microprocessor-based computer hardware system with software that is designed to perform a dedicated function, either as an independent system or as a part of a large system.
190
A bug in a computer program is:
Answer:
An error or flaw in the code
** A software bug is an error, flaw, or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.