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
71
Smart homes, where appliances and devices can be controlled remotely using a computer or smartphone, are an application of:
Answer:
Internet of Things (IoT)
** The IoT is a network of physical objects embedded with sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet.
72
Social media platforms are an application of computers in the area of:
Answer:
Communication and social networking
** Social media has become a dominant form of communication and interaction in modern society, all of which is enabled by computers, servers, and the internet.
73
What is the term for half of a byte?
Answer:
Nibble
A byte is composed of 8 bits. A 'nibble' (or nybble) is a unit of digital information consisting of 4 bits, which is exactly half of a standard 8-bit byte. This term is often used in discussions of computer architecture and data representation.
74
**A 'netbook' was a type of:**
Answer:
A small, lightweight, and inexpensive laptop computer
** Netbooks were a category of small laptops that were popular in the late 2000s, designed primarily for web browsing and light computing tasks. They have been largely superseded by tablets and ultrabooks.
75
Which type of computer is less precise?
Answer:
Digital computer
** The precision of an analog computer is limited by the precision with which its physical components can be made and read. Digital computers, by contrast, can achieve any desired level of precision by simply using more binary digits.
76
**Which of the following is the smallest and least expensive type of computer?**
Answer:
Microcomputer
** A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes personal computers (PCs), laptops, and tablets.
77
Which of the following is a key application of supercomputers?
Answer:
Weather forecasting
** Weather forecasting involves solving complex mathematical models of the atmosphere, which requires the massive processing power that only a supercomputer can provide.
78
The process of creating an online version of an exam from a bank of questions is facilitated by:
Answer:
A test authoring tool
** Test authoring software allows educators and examiners to create, manage, and deploy tests and quizzes. It provides features for creating various question types, managing question banks, and setting test parameters.
79
**Which of the following best describes a minicomputer?**
Answer:
A multi-user computer with less power than a mainframe but more than a microcomputer
** Minicomputers served as mid-range systems for businesses and scientific applications that needed more power than a microcomputer could offer but did not need the full capacity of a mainframe.
80
**Which of the following is NOT a type of microcomputer?**
Answer:
Desktop
** Desktops, laptops, and tablets are all types of microcomputers designed for individual users. Mainframes are much larger and more powerful computers used by large organizations.