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
81
The Central Processing Unit:
Answer:
Controls all input, output, and processing
The CPU manages and controls the overall operation of the computer system.
82
What term describes the amount of data a disk can hold?
Answer:
Storage capacity
Storage capacity refers to the maximum data amount a disk can hold.
83
What is an alternative term for a device used for visual display of information from a computer?
Answer:
VDU
VDU stands for Visual Display Unit. It is a general term for any device that displays visual information from a computer, with the most common example being a monitor.
84
What is the full form of WORM in data storage technology?
Answer:
Write Once, Read Many
WORM devices allow data to be written once but accessed multiple times, useful for archiving.
85
What type of memory retains its data even when the power is turned off?
Answer:
ROM
ROM stands for Read-Only Memory. It is a type of non-volatile memory, which means it retains its stored information even after the power is turned off. This makes it ideal for storing firmware and the basic startup instructions for a computer.
86
The number system we use daily is the:
Answer:
Decimal
The decimal system is base 10 and is used in everyday life.
87
A method of implementing a memory management system is:
Answer:
Buddy system
The buddy system is a dynamic memory allocation technique used in operating systems.
88
An operating system is?
Answer:
A collection of software routines
An operating system manages hardware and software resources through software routines.
89
CD-ROM is a type of?
Answer:
None of these
CD-ROMs use optical technology, not magnetic or semiconductor technology, to store data.
90
What is the language that a computer can understand and execute?
Answer:
Machine language
Machine language consists of binary instructions that the computer's processor directly executes.