links

www.freesms.com.pk
you can send free sms to any network in pakistan
just copy the link above

http://www.cisco.com/
for networking

http://www.epanorama.net/
for electronic circuits

www.howstuffworks.com/
to know how stuff works

http://www.imobile.pk/
to sale or purchase mobile sets
http://www.quia.com/quiz/873892.html?AP_rand=652640808
for traffic mcqs test at home