Thank you haiprazzad.
Your best bet is lubuntu 14.04.1
64bit makes better use of the cpu registers, is about 10-15 % quicker but ram usage is higher.
I am not sure if your netbook cpu supports 64 bit computing. Google it.
I would suggest that you thoroughly read the linux tips website...
HP Pavilion dv4-1506tx is hp product # VT102PA. Link to hp specifications page is :
http://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c01866141
Please confirm your model with the published specifications.
The maximum ram supported is 8gb. The is a slot on the underside of the...
Despite the naysayers the is more of linux on desktop today than there was yesterday. Dell, acer, lenovo ship some laptops with linux, chromebooks are a big hit in usa.
The failure has been on educating the people on usage of linux and open source.
I shall try to answer your query as best as possible.
a) your netbook is limited by cpu and by input-output operations. Web browsers tax the cpu considerably mainly at startup. Opening several tabs taxes the memory. Scrolling down a complex web page is limited by input output operations.
b)...