Hello frnd today we talk about asus viva book it is an great note book for note book lover great working feature the processor of asus vivo book is i5 we know that i5 is a great processor it have good command prompting speed which boy want do his c programing I suggest this is the great laptop for him it is easily available marke 4 gb ram is availabe 8n this vivo book the battery is also so good I buy this 6 th month ago there is no problem created in six month I used my laptop more than 18 hour in an day