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
381
What method uses codes to transform an analog signal into a string of digital bits?
Answer:
Pulse Code Modulation
Pulse Code Modulation (PCM) is a technique that encodes analog signals into a digital, binary form for processing and communication.
382
What does it mean to "zip" a file?
Answer:
Compressing the file
Zipping a file reduces its size by compressing its contents for easier storage or transfer.
383
An operating system is best described as:
Answer:
System software
The operating system is categorized as system software, as it manages hardware and fundamental services.
384
The first web browser created was:
Answer:
World Wide Web
The earliest web browser was called "World Wide Web," later renamed to Nexus.
385
Which component appears on the initial Windows start-up display?
Answer:
Taskbar
The taskbar is a primary feature that appears as soon as Windows loads, typically at the bottom of the screen and providing access to applications and system functions.
386
What is the name of the program responsible for loading the operating system into RAM?
Answer:
Bootstrap program
The bootstrap program (bootstrap loader) is the initial code that runs to load the operating system from storage into main memory.
387
To send email, which program do we commonly use?
Answer:
Outlook Explorer
Outlook (Explorer) is an email client used to compose, send, and receive emails.
388
Which version of Windows does NOT have a Start button?
Answer:
Windows 8
Windows 8 replaced the traditional Start button with a Start screen.
389
Programs like Internet Explorer that allow users to view and explore websites are called:
Answer:
Web Browsers
Web browsers are software used to access and navigate the internet.
390
When you delete a file in Windows, where does it go?
Answer:
Briefcase
Deleted files in Windows are first moved to the Recycle Bin, where they remain until permanently erased or restored.