supply of all in one pc intel core i5 or higher with 21.5 inch display or more, window 10 professional, 9th generation or higher, quad core processor or higher having base frequency 3.0 ghz or higher, chip set series intel b series or h series or amd b series or amd pro series, ram size 8gb or more expendable up to 32 gb having speed 2666mhz or more, hdd capacity 1000gb@ 7200rpm, display resolution ( 1920x1080 ) pixels having integrated graphics, ddr4 ram, usb port 3.0 02nos. or more & usb port 2.0 4nos, hdmi 01nos, ethernet 01nos, wireless connectivity & bluetooth 4.2 or higher with optical drive, audio in & out wired mouse & key board make- acer verition z4680g or similar.