Which one of the following statements is correct about a computer?

Correct option is A

A computer is an electronic device designed to store, retrieve, and process data. It can carry out a variety of tasks by executing instructions and performing calculations or data manipulations. A computer operates using software to direct its hardware to perform specific functions.

Components of a Computer
A computer system consists of two primary components:

• Hardware: The physical components such as the central processing unit (CPU), storage devices (e.g., hard drive, SSD), and input/output devices (e.g., keyboard, mouse, monitor).
• Software: The instructions and programs that tell the hardware what tasks to perform. The software includes the operating system (e.g., Windows, Linux) and application software (e.g., Microsoft Word, web browsers).

Hardware vs. Software

• Hardware: Refers to tangible components that make up the physical machine. Examples include the keyboard, monitor, motherboard, processor, and storage devices.
• Software: Refers to intangible instructions that tell the hardware how to function. Operating systems (e.g., Windows, macOS) and applications (e.g., Photoshop, Office Suite) are the primary examples.

Common Misconceptions

• A computer is not composed only of hardware or software; both components work together to perform tasks.
• While a computer can organize and process information, it does not do so autonomously without external input or direction. It requires programming or commands to process and organize the data effectively.