Gary Sims(674 posts)

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.




All posts by Gary Sims
Most Recent
 

Java vs C app performance – Gary explains

by: Gary Sims4 hours ago
Java is the official language of Android, but you can also write apps in C or C++ using the NDK. But which language is faster on Android?
5
 

VOOC fast charging – everything you need to know

by: Gary SimsApril 23, 2016
OPPO takes fast charging seriously. Rather than using an off-the-shelf fast charging system, the company has designed and developed its own, known as VOOC. Let's take a deeper look.
22
 

Huawei P9 review

by: Gary SimsApril 22, 2016
The Huawei P9 with its co-engineered Leica camera setup could be one of the best smartphones Huawei has released to date? Let's find out in our P9 review.
75
 

Processes and threads – Gary explains

by: Gary SimsApril 12, 2016
You are probably accustomed to the idea that your smartphone can run more than one app at a time. But the question is, how does Android manage to do it?
12
 
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OPPO F1 Plus review

by: Gary SimsApril 11, 2016
The OPPO F1 Plus has a 16MP front facing selfie camera, 4GB of RAM, 64 GB of storage, an octa-core 64-bit processor, and a 2850mAh battery all squeezed into a sleek 6.6mm thin body. Here is my full review.
19
 

What is cache memory – Gary explains

by: Gary SimsApril 7, 2016
SoC designers have a problem: RAM is slow and it can't keep up with the CPU. The workaround is known as cache memory. If you want to know all about cache memory then read on!
14
 

What is a kernel – Gary explains

by: Gary SimsMarch 30, 2016
Spend enough time around Android, or even PCs, and eventually you will come across the term, “the Linux kernel.” What is a kernel? What do we mean by the Linux kernel. Let’s find out!
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IT Crowd’s 0118 999 881 999 119 725 3 Easter egg found in Google’s dialer

by: Gary SimsMarch 28, 2016
The whole "0118 999 881 999 119 725 3" thing is a popular joke among IT Crowd fans, and it looks like there are some IT Crowd fans at Google.
114
 
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DARPA wants to use AI to squeeze more bandwidth out of the airwaves

by: Gary SimsMarch 28, 2016
DARPA has launched its latest Grand Challenge, this time to bring advanced machine-learning capabilities to the way radio frequencies are used.
 

What is root – Gary explains

by: Gary SimsMarch 22, 2016
You may have seen that some apps on the Google Play Store require "root" access to work. But what is root? Do you need it? Let's find out!
17
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