HP 15 NOTEBOOK LAPTOP is very good laptop in this time this was totally a competation jenration.and specially for this time it was a perfect work machine.many benificary consumer is very thankfull to this hp laptop.it was completally a robitic device.and talkinf about its function and device so its processior, ram, rom, harddisk and all input and output device done our work very well.its processor, accessblity and connectvity function are very good.this was a high power laptop book.i am also a benificary consumer of this product