Hardware

Computer hardware is the physical parts of a computer, such as the case, central processing unit (CPU), monitor, mouse, keyboard, computer data storage, graphics card, sound card, speakers and motherboard. by contrast, software is the set of instructions that can be stored and run by hardware. Hardware is so-termed because it is "hard" or rigid with respect to changes, whereas software is "soft" because it is easy to change. hardware is typically directed by the software to execute any command or instruction. A combination of hardware and software forms a usable computing system, although other systems exist with only hardware. Devices which are not an integral part of the CPU are known as peripherals. Peripherals are used for input, storage or output. peripherals devices such as a hard disk, keyboard or printer. Hardware devices examples are monitor, keyboard, CPU and mouse and it also includes all the parts inside the computer such as the hard disk drive, motherboard, video card, and many others.