supply installation and commissioning of desktop personal computers , supply installation and commissioning of desktop personal computers: (technical specifications for each items please refer nit ) , desktop pc specification : ( brand : lenovo / hp / dell / acer ) processor family- intel® core i3-12100, 4 cores, 3.3ghz base frequency, 4.3ghz max frequency, 12mb cache, ddr4-3200 memory support, intel uhd graphics 730. memory – 4gb ddr4 3200 udimm, up to 64gb ddr4-3200 hard disk- 1tb sata hdd. dvd drive read / write monitor: 47 cm (18.5 inch). keyboard: usb interface. mouse: optical with usb interface. cabinet: mini tower/ tower. networking facility: 10/100/1000 on board integrated network port ports- front ports - 1 x usb 3.2 gen1 type-c, 2 x usb 3.2 gen2, 2 x usb 3.2 gen1, 1 x combo, 1 x mic, optional card reader : rear ports - 4 x usb 2.0,1x vga, 1 x hdmi, 1 x dp, 1 x audio out, 1 x serial, optional 2nd serial, 1 x lan, ps21, parallel1 operating system: windows 10 home + ms office power management: screen blanking, hard disk and system idle mode in power on, setup password, power supply smps surge protected. connectivity: wi-fi 802.1lbgn + bluetooth 4.0 warranty – 3 years onsite warranty.