Samsung has released another flagship smart phone in the form of the Galaxy S5.

It's bigger than its predecessors, and has a heart rate monitor, but its biggest feature is that it's running Google's Android operating system for smartphones and tablets.

Remember hearing that the CryptoLocker ransomware was bad news? Well, there is a new variant of ransomware targeting users on Android phones and tablets.

What would you answer if someone asked you if your computer was up to date? If answer that you have a fairly new model you need to read on.

The question, if you have a Microsoft Windows machine, is actually around whether you have automatic updates turned on within Windows and whether you have allowed them to install.

Microsoft has started taking orders for its new Windows tablet the Surface 3 Pro. It's being billed as the tablet that can replace your laptop by the software giant which recently moved into computer hardware as well.

Apple is adding new functionality to the iPad, iPhone or iPod when it launches a software update in the coming months.

It's called iOS 8 and Apple's calling it the biggest release since the launch of its App Store back in 2008. But critics say Apple is just playing catch up with Google whose Android mobile operating systems includes many of the improvements Apple is crowing about.

Heart set on a new personal computer? It's no longer as simple as an Apple computer or a machine running Microsoft Windows. Here's a few things to consider before you spend your hard-earned cash.