Advanced computer Part 2 QA

Operating System, Software, Applications, Programming Languages & Internet

What is an operating system?
An operating system is system software that manages computer hardware, software resources, and provides an interface between the user and the computer.
What are the main functions of an operating system?
An operating system manages processes, memory, files, input/output devices, and system security.
What is process management?
Process management controls the execution of multiple programs by allocating CPU time efficiently.
What is memory management in an operating system?
Memory management handles allocation and deallocation of memory to programs and processes.
What is multitasking?
Multitasking allows multiple applications to run at the same time by sharing system resources.
What is a real-time operating system (RTOS)?
An RTOS responds to inputs within strict time limits and is used in critical systems like medical devices.
What is a kernel in an operating system?
The kernel is the core component of an operating system that directly interacts with hardware.
What is a user interface?
A user interface allows users to interact with the operating system, such as GUI or command-line interface.
What is virtual memory?
Virtual memory uses secondary storage to extend RAM capacity.
Give examples of operating systems.
Windows, Linux, macOS, Android, and iOS are common operating systems.

What is software?
Software is a collection of programs and instructions that tell a computer how to perform tasks.
What is system software?
System software controls the hardware and provides a platform for application software.
What is application software?
Application software is designed to perform specific user tasks such as word processing or calculations.
What is utility software?
Utility software helps maintain, protect, and optimize computer systems.
What is firmware?
Firmware is software stored in ROM that controls hardware devices.
What is open-source software?
Open-source software allows users to view, modify, and distribute its source code freely.
What is proprietary software?
Proprietary software is owned by a company and requires a license for use.
What is software licensing?
Software licensing defines legal rules for using and distributing software.
What is software update?
A software update improves performance, security, or adds new features.
What is software piracy?
Software piracy is the illegal copying or distribution of software.

What is an application?
An application is a software program designed to help users perform specific tasks.
What are desktop applications?
Desktop applications run locally on a computer, such as Microsoft Word.
What are web applications?
Web applications run on web browsers and require internet access.
What are mobile applications?
Mobile applications are designed for smartphones and tablets.
What is cloud-based application?
A cloud-based application runs on remote servers and is accessed via the internet.
What is word processing software?
Word processing software is used to create, edit, and format text documents.
What is spreadsheet software?
Spreadsheet software is used for calculations, data analysis, and charts.
What is presentation software?
Presentation software helps create slide-based presentations.
What is database application?
A database application stores, manages, and retrieves large amounts of data.
What is educational software?
Educational software supports teaching and learning activities.

What is a programming language?
A programming language is a formal language used to write instructions for a computer.
What are low-level languages?
Low-level languages are machine-oriented languages like machine and assembly language.
What are high-level languages?
High-level languages are human-readable languages like Python and Java.
What is a compiler?
A compiler translates an entire program into machine code.
What is an interpreter?
An interpreter translates and executes code line by line.
What is object-oriented programming (OOP)?
OOP is a programming paradigm based on objects containing data and methods.
What is a script language?
A scripting language is used for automation and web development, such as JavaScript.
What is debugging?
Debugging is the process of identifying and fixing errors in programs.
What is an algorithm?
An algorithm is a step-by-step procedure for solving a problem.
Give examples of programming languages.
C, C++, Java, Python, and JavaScript are popular programming languages.

What is the Internet?
The Internet is a global network connecting computers and devices worldwide.
What is a web browser?
A web browser is software used to access and view websites.
What is a search engine?
A search engine helps users find information on the internet.
What is a website?
A website is a collection of related web pages accessible through a domain name.
What is email?
Email is an electronic method of sending and receiving messages.
What is cloud computing?
Cloud computing provides computing services over the internet.
What is social media?
Social media platforms allow users to create and share content online.
What is e-commerce?
E-commerce is the buying and selling of goods and services online.
What is cybersecurity?
Cybersecurity protects systems and data from digital attacks.
What is Internet of Things (IoT)?
IoT refers to interconnected devices that communicate through the internet.

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