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Gary Sims

Gary has been a tech writer for over a decade and specializes in open source systems. He has a Bachelor's degree in Business Information Systems. He has many years of experience in system design and development as well as system administration, system security and networking protocols. He also knows several programming languages, as he was previously a software engineer for 10 years.

Gary's Posts

Hands-on with the Alcatel U5, A3, and A5 LED

Alcatel just took the wraps off of their affordable slate of smartphones. We go hands on and give you a quick look at the Alcatel U5, A3, and A5 LED!
by Gary Sims7 hours ago

Hands-on with Huawei P10

To kick off MWC 2017 Huawei is unveiling its latest flagship series, the Huawei P10 and P10 Plus. During the show we had the opportunity to go hands-on with the Huawei P10, and we ...
by Gary Sims13 hours ago2

Google shatters SHA-1, but don’t worry: the Internet is still working

Google has shown that it can create two files with the same SHA-1 hashes, bad news for SHA-1 itself, but don't worry the Internet is still working.
by Gary Sims3 days ago

What is in your smartphone? – Gary explains

We know about the exteriors of our phones, the design language and the build materials. But what about the insides? If you take one apart, what do you find?
by Gary Sims4 days ago2

What is virtual memory? – Gary explains

Before virtual reality and virtual currency there was virtual memory. Windows has it, iOS has it and so does Android. What is it and how does it work?
by Gary Sims2 weeks ago5

Why and how do OEMs cheat on benchmarking? – Gary explains

Benchmark cheating is back in the news, this time the culprits are OnePlus and Meizu. So why and how do OEMs cheat on benchmarking scores? Let me explain.
by Gary Sims3 weeks ago51

Force stop and clear cache – Gary explains

If you have a problem with an app you might need to do a "Force Stop" and "Clear Cache." But why does that help? What is "Force stop" and what is a cache?
by Gary Sims3 weeks ago9

Does Android use more memory than iOS? – Gary explains

Android flagship devices tend to have more memory than their iPhone equivalents. Why is that? Is it because Android uses more RAM than iOS? Gary explains!
by Gary Sims4 weeks ago97

Actually, Android IS optimized – Gary explains

I often see the comment, "Android isn't optimized" or "iOS is better optimized." Why do people say that and is it true? Gary explains!
by Gary SimsJanuary 20, 2017156

What is the BBC micro:bit – Gary explains

The micro:bit is a small computer board with an ARM Cortex-M0 microprocessor plus sensors and LEDS. It is part of an initiative to get kids coding. Interested? Here is my full review.
by Gary SimsJanuary 16, 201710
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