Computer hardware: The collection of physical elements that constitute a computer system. Computer hardware refers to the physical parts or components of a computer such as monitor, keyboard, Computer data storage, hard drive disk, mouse, system unit (graphic cards, sound cards, memory, motherboard and chips), etc. all of which are physical objects that you can actually touch. In contrast, software is untouchable. Software exists as ideas, application, concepts, and symbols, but it has no substance. A combination of hardware and software forms a usable computing system.
A complete basic office hardware, which can fullfill your daily working needs smoothly are: -
Laptop- Desktop- Server Machine- DMP-Printer- Laser Printer- Inkjet/DeskJet Printer- Barcode Printer-Bio-metrics- Hard disk - External/Internal- Photo-Copier- CCTV-Surveillance Security Solution- Ram DD2,3- Laptop Adaptors and UPS - Offline/Online