2 minute read
Computer General Knowledge
Questions and Answers
Chapter 1: Computer Basics
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Q: What is a computer?
A: A computer is an electronic device that can process data, perform calculations, and execute predefined instructions
Q: What are the main components of a computer?
A: The main components of a computer are the central processing unit (CPU), memory (RAM), storage devices (e g , hard drive, SSD), input devices (e g , keyboard, mouse), output devices (e g , monitor, printer), and motherboard
Q: What is the CPU?
A: The CPU (Central Processing Unit) is the "brain" of the computer It carries out instructions, performs calculations, and manages data flow.
Q: What is RAM?
A: RAM (Random Access Memory) is the temporary storage used by the computer to hold data and instructions that the CPU needs to access quickly.
Q: What is a motherboard?
A: The motherboard is the main circuit board of the computer that connects and allows communication between all the hardware components.
Q: What is an operating system?
A: An operating system is software that manages computer hardware and software resources and provides services to run applications
Chapter 2: Computer Software
Q: What is computer software?
A: Computer software is a collection of programs, data, and instructions that tell the computer what to do
Q: What are the two main types of software?
A: The two main types of software are system software and application software
Q: What is system software?
A: System software is responsible for managing and controlling computer hardware and providing a platform for applications to run Examples include operating systems, device drivers, and utility programs
Q: What is application software?
A: Application software includes programs designed to perform specific tasks or applications for users Examples include word processors, web browsers, and video games
Q: What is open-source software?
A: Open-source software is software whose source code is freely available to the public, allowing users to view, modify, and distribute the code
Q: What is proprietary software?
A: Proprietary software is software that is owned by a company or individual, and its source code is not made available to the public
Chapter 3: Computer Networking
Q: What is computer networking?
A: Computer networking involves connecting computers and other devices to share resources and information.
Q: What is the Internet?
A: The Internet is a global network of interconnected computers and servers that allows users to access and share information worldwide.
Q: How do computers communicate over a network?
A: Computers communicate over a network using protocols, such as TCP/IP (Transmission Control Protocol/Internet Protocol).
Q: What is Wi-Fi?
A: Wi-Fi is a technology that allows devices to connect to a network wirelessly within a certain range.
Q: What is a router?
A: A router is a networking device that forwards data packets between computer networks It connects multiple devices to the Internet within a local area network (LAN).
Chapter 4: Computer Security
Q: Why is computer security important?
A: Computer security is essential to protect data, prevent unauthorized access, and safeguard against cyber threats
Q: What is malware?
A: Malware is malicious software designed to harm a computer system or steal data Examples include viruses, worms, and ransomware.
Q: How can you protect your computer from malware?
