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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

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 Sims7 hours 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 Sims1 week 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 Sims2 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 Sims3 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

What is Android Things? – Gary explains

Android Things is Google's new IoT OS. Based on Android it allows developers to use their existing skills to move into IoT. What is it and how does it work? Gary explains.
by Gary SimsJanuary 13, 20177

SoC showdown 2016: Snapdragon 821 vs Exynos 8890 vs MediaTek Helio X25 vs Kirin 960

Which is the best Android mobile processor for 2016? I test Qualcomm, Samsung, MediaTek and Huawei. Which one will come out on top?
by Gary SimsDecember 13, 201652

Qualcomm Snapdragon 821 versus Apple A10 Fusion

Qualcomm's flagship SoC for 2017 is the Snapdragon 821, and Apple's is the A10 Fusion. They are both popular chips, but how do they compare? Let's find out.
by Gary SimsDecember 2, 201673
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