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Hardware and Software
Hardware refers to the physical components of a computer. Computer Hardware is any part of the computer that we can touch these parts.
Software is a collection of instructions, procedures, documentation that performs different tasks on a computer system. we can say also Computer Software is a programming code executed on a computer processor.
Additional Definitions
Hardware - These are the primary electronic devices used to build up the computer. Examples of hardware in a computer are the Processor, Memory Devices, Monitor, Printer, Keyboard, Mouse, and the Central Processing Unit.
Software - The code can be machine-level code or the code written for an operating system. Examples of software are Ms Word, Excel, Power Point, Google Chrome, Photoshop, MySQL etc.
Additional Reading
https://en.wikipedia.org/wiki/Computer_hardware
https://www.computerhope.com/jargon/h/hardware.htm
https://en.wikipedia.org/wiki/Software
https://www.capterra.com/history-of-software/
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Hardware and Software - the difference