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
2401
**The computers used in weather forecasting are typically:**
Answer:
Supercomputers
** Weather forecasting requires processing vast amounts of complex data and running intricate simulations, which are tasks perfectly suited for the immense processing power of supercomputers.
2402
Which type of computer operates on data that is represented by discrete values (usually binary digits)?
Answer:
Digital computer
** Digital computers process information in a discrete, or non-continuous, form. They represent all data using the binary digits 0 and 1, which makes them highly precise and versatile.
2403
What key area sets humans apart from computers?
Answer:
Emotional Connection
Human beings possess a unique capacity for complex thought, problem-solving, and decision-making, setting them apart from computers. While computers can process vast amounts of information, their intelligence is limited to programming and algorithms, lacking the depth and nuance of human cognition. Among the given options, emotional connection is a distinctly human trait that computers do not possess.
2404
When a computer system is used to control traffic lights in a city, it is an application in:
Answer:
Public administration and daily life
** Computers are widely used in public infrastructure and services, such as traffic management, to improve efficiency and safety for citizens.
2405
Which type of computer generally has a faster processing speed, a minicomputer or a microcomputer?
Answer:
Minicomputer
Minicomputers are designed to be more powerful than microcomputers (personal computers). They were developed to handle more complex tasks and support multiple users, which necessitated faster processors and more memory compared to the single-user microcomputers of their time.
2406
What is the largest SI unit of memory and is equal to___________?
Answer:
Yottabyte= 1000 Zettabyte
The standard SI prefixes for data storage units increase by a factor of 1000. The order is Kilo, Mega, Giga, Tera, Peta, Exa, Zetta, and Yottabyte. Therefore, a Yottabyte is the largest named unit in this list and is equal to 1000 Zettabytes.
2407
**What does the acronym ASCII stand for in computer terminology?**
Answer:
American Standard Code for Information Interchange
** ASCII is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices.
2408
Which of the following is an example of the diligence of a computer?
Answer:
Running a search through a massive database for 24 hours straight.
** This task requires the computer to work continuously for a long period without any degradation in performance, which is a perfect example of its diligent nature.
2409
The use of computers in banks has led to:
Answer:
Increased efficiency, accuracy, and convenience for customers
** Computerization has dramatically improved the banking industry by automating processes, reducing errors, and providing customers with convenient access to a wide range of services.
2410
**What is a 'smart home', an application of computers in daily life?**
Answer:
A home equipped with lighting, heating, and electronic devices that can be controlled remotely by phone or computer
** Smart home technology uses computers and the internet to automate and control household appliances and systems, increasing convenience, energy efficiency, and security.