computer and ups computer and ups , electrical items : , desktop computer:- processor generation - 7th or higher. processor - intel® core™ i3 ( 3.7 ghz or higher ) or higher operating system ( preloaded ) -windows 10 home ms office. ram size ( gb ) ddr4 - 4 or higher hard disk drive - 1tb or higher monitor - 18.5-inch-wide led backlit monitor min 1440 x900 resolution. or higher ( same make as pc ) mouse - optical ( same make as pc ) keyboard - standard ( same make as pc ) motherboard - oem motherboard with logo embossed ( no sticker ) graphics -integrated warranty - minimum 1 years onsite oem warranty. ups:- 1 kva input - 230 v, 40-55 hz output - 230 v ac, 50 hz battery - type 12 v battery - time 10-15 minutes for one pc backup mode - sounding every 10 sec. low battery - sounding every sec. warranty - minimum 1 years onsite oem warranty.