Basics of computer Part 2 QA

Basics of Computer Part 2

What is an output device?
An output device is a hardware component that presents processed information from the computer to the user.
What is a monitor?
A monitor is an output device that displays text, images, and videos produced by the computer on a screen.
What is a printer?
A printer is an output device that produces a hard copy of computer output on paper.
What are the types of printers?
Printers are mainly classified into impact printers and non-impact printers.
What is an inkjet printer?
An inkjet printer prints by spraying tiny droplets of ink onto paper and is commonly used for color printing.
What is a laser printer?
A laser printer uses laser technology to produce high-quality and fast printouts.
What is a plotter?
A plotter is an output device used to print large-size graphics such as maps, charts, and engineering drawings.
What is a speaker?
A speaker is an audio output device that converts digital sound signals into audible sound.
What is a projector?
A projector is an output device that displays computer output on a large screen or wall.
What is resolution?
Resolution refers to the clarity and sharpness of an image displayed on a screen, usually measured in pixels.

What is system software?
System software controls and manages computer hardware and provides a platform for running application software.
What is application software?
Application software is designed to help users perform specific tasks such as typing documents, calculations, and designing graphics.
What is utility software?
Utility software is used for system maintenance, security, and performance improvement.
What is an operating system?
An operating system is system software that manages hardware resources and controls overall computer operations.
What are the functions of an operating system?
An operating system manages memory, processes, files, and input/output devices.
What are examples of operating systems?
Common examples of operating systems are Windows, Linux, and macOS.
What is Windows?
Windows is a widely used operating system developed by Microsoft.
What is Linux?
Linux is an open-source operating system that allows users to use, modify, and distribute its source code freely.
What is macOS?
macOS is an operating system developed by Apple for Macintosh computers.
What is open-source software?
Open-source software is software whose source code is freely available for users to study, modify, and distribute.

What is a programming language?
A programming language is a formal language used to write instructions that a computer can execute.
What is machine language?
Machine language is the lowest-level programming language that consists of binary digits (0s and 1s).
What is assembly language?
Assembly language is a low-level programming language that uses symbolic codes instead of binary numbers.
What is a high-level language?
A high-level language is a user-friendly programming language that is easy to read, write, and understand.
What is a compiler?
A compiler is a program that translates the entire source code into machine code at once.
What is an interpreter?
An interpreter is a program that translates and executes source code line by line.
What is an algorithm?
An algorithm is a step-by-step procedure used to solve a problem or perform a task.
What is a flowchart?
A flowchart is a graphical representation of an algorithm using symbols and arrows.
What is debugging?
Debugging is the process of identifying and correcting errors in a computer program.
What is source code?
Source code is the original program written by a programmer in a programming language.

What is a computer network?
A computer network is a collection of interconnected computers that share data and resources.
What is the Internet?
The Internet is a global network that connects millions of computers and devices worldwide.
What is a LAN?
A LAN (Local Area Network) is a network that covers a small geographical area such as an office or school.
What is a WAN?
A WAN (Wide Area Network) is a network that covers a large geographical area such as a country or continent.
What is a modem?
A modem is a device that converts digital signals into analog signals and vice versa.
What is a router?
A router is a networking device that directs data packets between different networks.
What is a browser?
A browser is software used to access, view, and navigate websites on the Internet.
What is a search engine?
A search engine is an online tool used to find information on the Internet.
What is an IP address?
An IP address is a unique numerical identifier assigned to each device on a network.
What is email?
Email is an electronic method of sending and receiving messages over the Internet.

What is a computer virus?
A computer virus is a malicious program that can damage files and disrupt system operations.
What is antivirus software?
Antivirus software is used to detect, prevent, and remove computer viruses.
What is a firewall?
A firewall is a security system that monitors and controls incoming and outgoing network traffic.
What is hacking?
Hacking is the act of gaining unauthorized access to computer systems or networks.
What is cybersecurity?
Cybersecurity refers to the protection of computer systems and networks from digital attacks.
What is backup?
Backup is the process of creating a copy of data to prevent data loss.
What is cloud computing?
Cloud computing is the use of internet-based services for data storage, processing, and software access.
What is artificial intelligence?
Artificial intelligence is the ability of machines to simulate human intelligence.
What is e-learning?
E-learning is the process of acquiring knowledge through electronic and digital platforms.
What is computer ethics?
Computer ethics refers to moral principles and guidelines for responsible computer use.