1-How to get/set system date and time. 2-How to get version of O/S. 3-How to get size of memory(RAM). 4-How to get disk drive(s) and their drive letter. 5-How to get free and used space of disk. 6-How to get available ports. 7-How to display adopter informations. (without using builin modules) Assembly Language... Plz help me to solve above problems.