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
471
Cache RAM serves which of the following purposes?
Answer:
Fast memory for frequently accessed data
Cache RAM provides quick storage for data and instructions that are used often, speeding up computer operations.
472
What is the latest version of MS Windows?
Answer:
Windows 11
Windows 11, released by Microsoft in October 2021, is the most recent major version of the Windows operating system. It features a redesigned user interface, new productivity features, and performance improvements over its predecessor, Windows 10.
473
The operating system's protection feature helps to:
Answer:
Prevent unauthorized access to resources
Protection refers to a mechanism for controlling the access of programs, processes, or users to the resources defined by a computer system.
474
Out of the following, which unit offers the greatest storage capacity?
Answer:
Terabyte (TB)
A terabyte is the largest storage unit listed, equivalent to about 1,000 gigabytes.
475
Which component is responsible for allowing data to travel between parts inside the motherboard?
Answer:
Buses
Buses are electrical pathways on the motherboard that transmit information between the CPU, memory, and other components.
476
What is the memory called that allocates space for DOS and other applications?
Answer:
Conventional memory
Conventional memory refers to the first 640KB of RAM, traditionally used by DOS and DOS applications.
477
When two or more computers are connected to share resources, it is called a _____.
Answer:
Network
A network links computers, enabling the exchange and sharing of data and resources.
478
PCI (Peripheral Component Interconnect) is:
Answer:
A type of system bus
PCI is an interface that connects components like graphics and network cards to the computer’s motherboard.
479
The tiny individual dots creating a picture on a monitor are called:
Answer:
Pixels
Pixels are the smallest display elements making up images on screens.
480
Which of the following operating systems is a single-user, single-tasking operating system?
Answer:
MS-DOS
MS-DOS is a command-line based operating system that can only run one program at a time and can only be used by one person at a time.