Gary Sims(678 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
 

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!
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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.
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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!
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Assembly language and machine code – Gary explains

by: Gary SimsMarch 17, 2016
You might have heard the terms "assembly language" and "machine code" but what exactly do they mean? Let's find out.
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Raspberry Pi 3 review

by: Gary SimsMarch 16, 2016
The Pi 3 has a better CPU plus built-in Wi-Fi & Bluetooth. Is it a worthwhile upgrade? Is the now the best time to buy your first Pi board? Let's find out.
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Java tutorial for beginners

by: Gary SimsMarch 14, 2016
To write your own Android app you are going to need to do some programming. The language of Android is Java, and this tutorial will help you get started.
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OIS – Optical Image Stabilization – Gary explains!

by: Gary SimsMarch 10, 2016
Optical Image Stabilization (OIS) is a feature that you find on many high-end smartphones, but what is it? And how does it work? Let's find out.
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Apple overtakes Xiaomi in India, but Samsung remains top

by: Gary SimsMarch 3, 2016
According to new data, Apple shipped more units in India than Xiaomi for Q4 '15. However Samsung still remains the top vendor.
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