salam

mera computer celeron pentium 4 hai 2.4 ghz
758 ghz ram
20 gb hdd


koi batayega ke agar us ko upgrade kia jaye to kia hdd upgrade karne se us mani faraq hoga ya ram bhi upgrade karni hogi.

kia 2 . 500 mb rams 100 % 1 gb nahin hoteen aur ek 1 gb hi sahih kaam karti hai..
kindly guide..