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
251
The operating system is an example of:
Answer:
Hardware
** System software is a type of software that is designed to manage the computer's hardware and provide a platform for application software to run. The operating system (like Windows, macOS, or Linux) is the most important piece of system software.
252
Computer-Aided Design (CAD) and Computer-Aided Manufacturing (CAM) are applications of computers in:
Answer:
Engineering and manufacturing
** CAD/CAM systems are essential tools used by engineers and designers to create, modify, analyze, and manufacture products, improving precision and efficiency.
253
**The term 'PC' is most commonly associated with which operating system?**
Answer:
Windows
** While a PC (Personal Computer) can run various operating systems, the term became synonymous with computers running Microsoft Windows, especially in contrast to Apple's Macintosh (Mac) computers.
254
The ability of a computer to perform tasks automatically without human intervention is known as:
Answer:
Automation
** Automation is the ability of a computer to perform a sequence of tasks based on a predefined set of instructions without requiring human intervention for each step. This is a fundamental concept in computing and is used in various applications.
255
What enables a computer to perform almost any task?
Answer:
Reduced to a series of logical steps
The power and versatility of a computer come from its ability to break down complex problems into a sequence of simple, logical steps. By following these programmed instructions meticulously and at high speed, a computer can perform an almost limitless variety of tasks, from simple calculations to running sophisticated simulations.
256
**The physical components of a computer system are known as:**
Answer:
Hardware
** Hardware refers to all the tangible parts of a computer system, such as the CPU, memory, storage devices, keyboard, and mouse.
257
**A 'thin client' is a type of computer that:**
Answer:
Is designed to be small and simple, with most of the processing done on a central server
** In a client-server architecture, a thin client is a lightweight computer that relies heavily on the server to fulfill its computational roles. This can reduce cost and simplify management.
258
**What is 'telecommuting', an application of computers in the modern workplace?**
Answer:
Working from a location outside of the traditional office, often from home, by using computers and the internet
** Telecommuting, or remote work, is made possible by computer applications that allow for communication, collaboration, and access to work files from anywhere with an internet connection.
259
**The speed of a computer's clock is measured in:**
Answer:
Gigahertz (GHz)
** The clock speed, measured in hertz (cycles per second), determines how many instructions the CPU can execute per second. Modern CPUs have clock speeds in the gigahertz range (billions of cycles per second).
260
**A single binary digit (0 or 1) is referred to as a:**
Answer:
Bit
** The bit is the most basic unit of data in computing. All digital information is ultimately stored and processed as sequences of bits.