50+ Important Questions on Computers | AISSEE | KV | JNV | Entrance Exam

Question: What is a computer?
Answer: A computer is an electronic device that processes data and performs various tasks.

Question: What does CPU stand for?
Answer: CPU stands for Central Processing Unit, which is the "brain" of the computer.

Question: What is RAM?
Answer: RAM (Random Access Memory) is a type of computer memory used for temporary data storage.

Question: What is a motherboard?
Answer: A motherboard is the main circuit board of a computer, connecting all the components.

Question: What is an operating system?
Answer: An operating system is software that manages computer hardware and provides a user interface.

Question: What does CPU clock speed measure?
Answer: CPU clock speed measures the number of cycles a CPU can execute per second, typically in gigahertz (GHz).

Question: What is a file extension?
Answer: A file extension is a suffix at the end of a filename that indicates the file type.

Question: What is a bit?
Answer: A bit is the smallest unit of digital information, representing a 0 or 1.

Question: What is a byte?
Answer: A byte is a group of 8 bits and is the standard unit of data storage.

Question: What is an IP address?
Answer: An IP address is a numerical label assigned to devices on a network to identify and communicate with them.

Question: What is a URL?
Answer: A URL (Uniform Resource Locator) is a web address used to locate resources on the internet.

Question: What is a browser?
Answer: A browser is software that allows users to access and view web pages on the internet.

Question: What does HTML stand for?
Answer: HTML stands for Hypertext Markup Language, the standard language for creating web pages.

Question: What is a firewall?
Answer: A firewall is a network security device or software that protects a computer or network from unauthorized access.

Question: What is a virus?
Answer: A virus is malicious software that can infect and damage computer systems.

Question: What is an input device?
Answer: An input device is hardware used to enter data into a computer, such as a keyboard or mouse.

Question: What is an output device?
Answer: An output device is hardware used to display or produce information from a computer, such as a monitor or printer.

Question: What is a hard drive?
Answer: A hard drive is a storage device used to store data, programs, and the operating system.

Question: What is cloud computing?
Answer: Cloud computing is a technology that allows users to access and use resources over the internet.

Question: What is a CPU core?
Answer: A CPU core is an individual processing unit within a CPU that can execute instructions.

Question: What is a URL shortener used for?
Answer: A URL shortener is used to create a shorter version of a long web address, making it easier to share.

Question: What is a CAPTCHA used for?
Answer: A CAPTCHA is used to verify that a user is a human rather than a computer program, usually in online forms.

Question: What is an algorithm?
Answer: An algorithm is a step-by-step procedure for solving a problem or performing a task.

Question: What is the difference between software and hardware?
Answer: Software refers to programs and instructions that run on a computer, while hardware includes the physical components of the computer.

Question: What is a modem used for?
Answer: A modem is a device that connects a computer to the internet or other networks.

Question: What is a cache memory?
Answer: Cache memory is high-speed memory used by the CPU to store frequently accessed data for faster processing.

Question: What is an email attachment?
Answer: An email attachment is a file sent with an email message.

Question: What is a URL protocol, and what does "http" stand for?
Answer: A URL protocol specifies how to access a resource. "HTTP" stands for Hypertext Transfer Protocol, commonly used for web pages.

Question: What is a database?
Answer: A database is a structured collection of data used for efficient storage and retrieval.

Question: What is an SSD?
Answer: An SSD (Solid-State Drive) is a storage device that uses flash memory instead of spinning disks.

Question: What does PDF stand for?
Answer: PDF stands for Portable Document Format, a file format used for documents that can be viewed on various platforms.

Question: What is a cookie in the context of web browsing?
Answer: A cookie is a small text file that websites use to store information on a user's computer.

Question: What is a graphics card used for?
Answer: A graphics card is used to render and display images and videos on a computer monitor.

Question: What is a URL parameter?
Answer: A URL parameter is additional data in a web address that provides information to a web server.

Question: What is an antivirus software used for?
Answer: Antivirus software is used to detect and remove malware and viruses from a computer.

Question: What is an input port on a computer?
Answer: An input port is a hardware interface that allows devices to be connected to a computer for data input.

Question: What is a hotkey or keyboard shortcut?
Answer: A hotkey or keyboard shortcut is a combination of key presses that trigger a specific action or function.

Question: What is a pixel in the context of computer graphics?
Answer: A pixel is the smallest unit of a digital image or screen display.

Question: What is a desktop operating system?
Answer: A desktop operating system is software that manages a computer's hardware and provides a graphical user interface.

Question: What is a network router used for?
Answer: A network router is a device that connects multiple devices to a network and routes data between them.

Question: What is cloud storage used for?
Answer: Cloud storage is used to store and access data over the internet, making it accessible from multiple devices.

Question: What is an IP subnet mask used for?
Answer: An IP subnet mask is used to divide an IP address into network and host portions, facilitating routing and addressing.

Question: What is a GUI in computing?
Answer: GUI stands for Graphical User Interface and refers to the visual interface elements of a computer program or operating system.

Question: What is a proxy server used for?
Answer: A proxy server is an intermediary server that acts as a gateway between a user's computer and the internet.

Question: What is a computer virus scanner used for?
Answer: A computer virus scanner is used to scan files and detect viruses and malware.

Question: What is an input buffer in computer input devices?
Answer: An input buffer is a temporary storage area for data before it is processed by a computer.

Question: What is an ISP?
Answer: ISP stands for Internet Service Provider, a company that offers internet access to customers.

Question: What is encryption in computer security?
Answer: Encryption is the process of converting data into a coded form to protect it from unauthorized access.

Question: What is a screenshot?
Answer: A screenshot is a capture of the computer screen's current display, often saved as an image file.

Question: What is a file format?
Answer: A file format specifies how data is stored in a file, such as .jpg for images or .txt for text files.

Question: What is a computer network?
Answer: A computer network is a collection of interconnected devices, such as computers, that can share resources and information.