purchase of desktop computers and laptops , desktop computer: desktop-amd processor –high end –ubuntuprocessor: amd ryzen 5 3400 g@ 3.7 ghz, 4 cores, 6 mb cache, tdp-65w chipset: compatible chipset motherboard: oem motherboard memory: 8 gb ddr4 ram upgradable to 32 gb hard disk drive: 1.0 tb 7200 rpm or higher graphics adapter: high end graphics adapterwith 2.0 gb memory. monitor: 21.5&amprdquo or larger tft / led digital colour full hd monitor with ipsdisplay panel, same make as pc keyboard: usb interface, keyboardsame make as pc mouse: optical with usb interface, same make as pc ports: 6 usb ports or more ( at least 2 usb 3.0 ports ) and two ports in frontpanel ( atleast 1 shuld be usb 3.0 ) , hdmi / dp, audio ports. optical drive: 8x or better dvd rw drive networking facility: 10 / 100 / 1000 on boardintegrated network port, wifi 802.11 b / g / n connectivity certifications: a ) rohs compliance for product b ) iso 14001 for oem c ) epeat registered warranty: 5 year comprehensive on-site warranty including monitor operating system: &ampldquoubuntu 16.04 or later should support &amprdquo.. , desktop computer:desktop – intel processor – medium end-ubuntu processor: intel core i3 10100 @3.6 ghz, 4 cores, 6 mb cache, tdp-65w chipset: compatible chipset motherboard: oem motherboard memory: 4 gb ddr4 ram upgradable to 16 gb hard disk: 1.0 tb 7200 rpm or higher monitor: 19.5 inch or larger tft / led hd digital colour monitor same make as pc keyboard: usb interface, same make as pc mouse: optical with usb interface, samemake as pc chassis : chassis less than 16 l ports: 6 usb ports or more ( at least 2 usb 3.0 ports and two ports in frontpanel, at least 1 should be usb 3.0 ) , hdmi, audio ports. optical drive: 8x or better dvd rw drive networking facility: 10 / 100 / 1000 on boardintegrated network port, &ampampamp wi-fi 802.11 b / g / n connectivity certifications: a ) rohs compliance for product b ) iso 14001 for oem c ) epeat registered warranty: 5 year comprehensive on-site warranty including monitor operating system: &ampampldquo ubuntu 16.04 or later should support & ampampamprdquo. , laptop computer:laptop- high end- ubuntuprocessor:intelcore i5 1135 g7 @2.40 ghz, 8mb cache memory: 8 gb ddr4 ram expandable up to16 gb graphics card: 2 gb nvidia geforce mx 350 storage: 512 gb ssd display: antiglare full hd led backlit display display size: 14&amprdquo wireless connectivity: integrated wireless b / g / n, integrated bluetooth speaker: integrated stereo speaker keyboard: keyboard with touch pad camera: integrated hd camera audio: integrated expansion port: minimum 3 usb port ( at least two number of usb 3.0 and one number of type c ) , 10 / 100 / 1000 ethernet card, hdmi, 1head phone / microphone combo or separate &ampamp other standard features power supply: 230v, 50 hz ac supply with rechargeable battery pack comprising of li-ion polymer / li polymer battery. mouse: optical scroll mouse carry case: backpack weight: less than or equal to 1.7 kg warranty: 3 year comprehensive onsite warranty including battery and charger certification: rohs compliance &ampamp bis for product operating system: ubuntu 16.04 or later should support. , laptop computer: laptop-medium end-ubuntuprocessor:intelcore i3 1005 g1 @ 1.20 ghz , 4 mb cache / amd ryzen 3 3250 u @ 2.60 ghz, 4 mb cache memory: 4 gb ddr4 ram expandable up to at least 8 gb hard disk : 500gb , 7200rpm or higher display: antiglare l hd led backlit display display size: 14 &amprdquo wireless connectivity: integrated wireless b / g / n, integrated bluetooth speaker: integrated stereo speaker keyboard: keyboard with touch pad camera: integrated hd camera audio: integrated expansion port: 3 usb port ( at least two number of usb 3.0 and one number of type c ) , 10 / 100 / 1000 ethernet card, hdmi, 1head phone / microphone power supply: 230v, 50 hz ac supply with rechargeable battery pack comprising of li- ion polymer / li polymer battery. mouse: optical scroll mouse carry case: backpack weight : less than or equal to 1.8 kg warranty: 3 year comprehensive onsite warranty including battery and charger certification: rohs compliance & ampampamp bis for product graphics card: 2 gb nvidia geforce mx 350 operating system: ubuntu 16.04 or later shouldsupport