Q. What is computer hardware?
Ans. Computer hardware refers to the physical components of a computer that can be seen and touched, such as the keyboard, monitor, motherboard, and mouse.
Q. What is computer software?
Ans. Computer software is a collection of programs and instructions that tell a computer how to perform tasks.
Q. What is the main difference between hardware and software?
Ans. Hardware consists of physical components, whereas software consists of programs and instructions.
Q. What is system software?
Ans. System software manages computer hardware and provides a platform for application software.
Q. What is application software?
Ans. Application software helps users perform specific tasks, such as writing documents, creating spreadsheets, and editing images.
Q. What is an input device?
Ans. An input device is used to enter data and instructions into a computer. Examples include a keyboard, mouse, and scanner.
Q. What is an output device?
Ans. An output device presents the results of computer processing. Examples include a monitor, printer, and speakers.
Q. What is the motherboard?
Ans. The motherboard is the main circuit board that connects the CPU, memory, storage devices, and other computer components.
Q. What is the function of the CPU?
Ans. The CPU executes instructions, processes data, and controls computer operations.
Q. What is RAM?
Ans. RAM stands for Random Access Memory. It temporarily stores data and instructions needed by running programs.
Q. What is ROM?
Ans. ROM stands for Read-Only Memory. It stores instructions that are retained without normal power supply.
Q. What is a storage device?
Ans. A storage device stores data and programs for later use. Examples include hard disk drives, SSDs, and pen drives.
Q. What is an operating system?
Ans. An operating system is system software that manages hardware, files, memory, processes, and other system resources.
Q. Give two examples of operating systems.
Ans. Microsoft Windows and Linux are two examples of operating systems.
Q. What is utility software?
Ans. Utility software helps maintain, protect, and optimize a computer, such as antivirus and disk-management tools.
Q. What is a device driver?
Ans. A device driver is software that enables the operating system to communicate with and control a hardware device.
Q. What is open-source software?
Ans. Open-source software makes its source code available under a licence that permits specified forms of use, inspection, and modification.
Q. What is proprietary software?
Ans. Proprietary software is distributed under terms that restrict access to or modification of its source code.
Q. What is the difference between RAM and secondary storage?
Ans. RAM provides temporary working memory, while secondary storage retains files and data for long-term use.
Q. Why are both hardware and software necessary?
Ans. Hardware provides the physical computing equipment, while software supplies the instructions needed to perform useful tasks.