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
141
**Which type of computer is often used as a single-user system for tasks that require more power than a standard PC, such as graphic design or engineering?**
Answer:
Workstation
** A workstation is a high-performance computer designed for a single user and has advanced graphics capabilities, large storage capacity, and a powerful microprocessor. It is more capable than a personal computer but less powerful than a mainframe.
142
The use of hybrid computers has declined because:
Answer:
The power and speed of digital computers have increased dramatically.
** With the exponential growth in the performance of digital computers, it has become possible to simulate analog processes on digital machines with sufficient accuracy and speed. This has reduced the need for specialized hybrid hardware in many applications.
143
The physical size of the computer is a primary factor in which classification?
Answer:
Super, Mainframe, Mini, Micro
** This classification is based on a combination of factors, including processing power, cost, and physical size. Historically, supercomputers and mainframes were very large, while mini and microcomputers were progressively smaller.
144
**What type of computer is a smartphone considered to be?**
Answer:
A type of handheld microcomputer
** Smartphones are powerful, portable devices that fit in the palm of your hand and contain a microprocessor, memory, and a display screen, classifying them as microcomputers.
145
**In education, what is a Massive Open Online Course (MOOC)?**
Answer:
An online course aimed at unlimited participation and open access via the web
** MOOCs are a modern form of distance education, providing large numbers of students with access to university-level courses through the internet.
146
What does ATM stand for in the banking sector?
Answer:
Automatic Teller Machine
** An ATM is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, and account inquiries, at any time without the need for a human teller.
147
Which of the following is the most powerful computers?
Answer:
Super Computers
Supercomputers are the most powerful and fastest type of computer. They are designed for performing complex and computationally intensive tasks, such as scientific simulations, weather forecasting, and cryptographic analysis, by utilizing massive parallel processing capabilities.
148
**The most powerful computers, used for complex scientific and engineering calculations, are called:**
Answer:
Supercomputers
** Supercomputers are the fastest and most powerful type of computer. They are used for tasks that require massive numerical calculations, such as weather forecasting, scientific simulations, and nuclear energy research.
149
**Which of the following is a primary use of computers in the examination process?**
Answer:
To conduct online examinations and automate result processing
** Computers are extensively used to conduct large-scale online examinations, which allows for immediate evaluation, automated grading of multiple-choice questions, and faster declaration of results, thereby making the process more efficient and transparent.
150
Which of the following is NOT a characteristic of a computer?
Answer:
IQ
** Computers do not have an Intelligence Quotient (IQ) in the human sense. They operate based on programmed logic and do not possess creativity, intuition, or the ability to learn in the same way humans do (though machine learning is a step in that direction).