Is it both same performance? intel dual-core 3.4 ghz 2mb cache of two processor and core 2 quad 1.6 with 8mb cache.. plzz tell me and thanks in advance

what is the deference between "pre-paid" and "post-paid" ? what is the deference between "pre-paid" and "post-paid" ?

what is it "having+past participle" and where does it use??

what is the meaning of "bite your tongue"????

Which one is correct??? 1. don't tease him,he has been working since morning.. 2. don't tease him,he kept on working since morning.. please let me know..

what is the defrrence between this to sentence???? 1 i leave no stone to beat him 2 i leave no stone untruned to beat him and which one is more correct? let me knw with definition plzzz ...

what is the deffrence in "besides" or "other than"? what is the deffrence in "besides" or "other than"?

what is the deffrence in "between" or "other than"?

what is deffrence between in this two sentence??? 1 He goes 2 He goes away