Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
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
2001
What is 'Zip'?
Answer:
A file format used for data compression and archiving
ZIP is an archive file format that supports lossless data compression. A ZIP file may contain one or more files or directories that may have been compressed.
2002
What is 'Upload'?
Answer:
The process of putting a webpage, image or file onto a web server
Uploading is the transmission of a file from one computer system to another, usually larger computer system. From a network user's point of view, to upload a file is to send it to another computer.
2003
What is a 'Trojan Horse' (Computing)?
Answer:
A type of malware that is often disguised as legitimate software
A Trojan horse is a type of malware that is often disguised as legitimate software. Trojans can be employed by cyber-thieves and hackers trying to gain access to users' systems.
2004
What is 'Source Code'?
Answer:
The version of software as it is originally written (i.e., typed into a computer) by a human in plain text
Source code is the list of human-readable instructions that a programmer writes—often in a word processing program—when he is developing a program.
2005
What is 'Protocol'?
Answer:
A set of rules or procedures for transmitting data between electronic devices
In computing, a protocol is a set of rules or procedures for transmitting data between electronic devices, such as computers.
2006
What is 'Motherboard'?
Answer:
The main circuit board of a computer
The motherboard is the main printed circuit board (PCB) in general-purpose computers and other expandable systems.
2007
What is 'Kernel'?
Answer:
The core component of an operating system
The kernel is a computer program that is the core of a computer's operating system, with complete control over everything in the system.
2008
What is 'Interface'?
Answer:
A shared boundary across which two or more separate components of a computer system exchange information
In computing, an interface is a shared boundary across which two or more separate components of a computer system exchange information.
2009
What is a 'Hyperlink'?
Answer:
A digital reference to data that the user can follow by clicking or tapping
A hyperlink, or simply a link, is a reference to data that the user can follow by clicking or tapping. A hyperlink points to a whole document or to a specific element within a document.
2010
What is 'Defragmentation'?
Answer:
A process that reduces the amount of fragmentation in file systems
Defragmentation is the process of locating the non-contiguous fragments of data into which a computer file may be divided as it is stored on a hard disk, and rearranging the fragments and restoring them into fewer fragments or into the whole file.