Category Archives: computer fundamentals

Update and notes .. Developing an SQL database server/client system.

Posted on July 24, 2019 by nigel borrington

Its already been a couple of weeks since my last post, I had hoped to post more often in the last couple of days but putting the fine details for my SQL database project in place has taken a lot … Continue reading →

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Linux Shell command tricks – Command completion

Posted on May 17, 2016 by nigel borrington

The power of the command line in Linux Distributions is still very much at the forefront, many admin task can simply be performed much more efficiently this way. This faster command entry speed, for admin tasks is true even by … Continue reading →

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Linux OS and GPIO managment

Posted on May 5, 2016 by nigel borrington

Please note that this post follows on from : GPIO Part 1 :ARM Development boards and their low-level coding Data-sheets This post is part 2 of A Look at how development boards such as the Raspberry PI allow a developer … Continue reading →

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Using Linux Shells, Command entry and Terminal emulators.

Posted on May 1, 2016 by nigel borrington

Please note that this post follows on from : The Linux Shell Operating systems such as Linux and Microsoft windows owe their current existence to much earlier versions of themselves with ASCII-code Text based command lines as their only interface … Continue reading →

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I/O Addresses and I/O memory

Posted on April 28, 2016 by nigel borrington

Please note that this post follows on from : IRQ’s and Interrupts I/O Addresses and I/O memory relate to bi-directional Communications between (CPU/Computer to devices ) as opposed to IRQ’s/Interrupt’s which are one way (device to CPU/Computer) communications. Communication via … Continue reading →

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ARM Development boards and their low-level coding Data-sheets

Posted on April 26, 2016 by nigel borrington

Low level Arm Processor Development Starting to get to grips with coding on any computer system is not a simple task. At the very start you need to select an appropriate coding language and then choose the best possible learning … Continue reading →

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Linux Configuration files and the command shell .

Posted on October 1, 2015 by nigel borrington

In one of my earlier posts I talked about Linux operating systems training and the Linux Professional Institute Study Guide (LIC-1). This study guide is aimed at helping with taking the following Linux Exams : LPIC-1 Linux Professional Institute Certification … Continue reading →

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Linux command shells

Posted on September 21, 2015 by nigel borrington

Unix and Linux command shells Within the Unix and Linux operating systems , a command shell is an operating system service/application that takes commands from a terminal emulator program or from a script source file and performs any given commands … Continue reading →

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Hexadecimal file editors and viewers

Posted on June 25, 2015 by nigel borrington

In my last post I talked a little about the numeric base systems of (Binary, Octal, Hex-decimal and Decimal) relating them to both computer machine level instruction code and application data. However these mathematical concepts are a little hard to … Continue reading →

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Numeric base systems of (Binary, Octal, Hex-decimal and Decimal)

Posted on June 23, 2015 by nigel borrington

Computer related numeric systems and their written representation In My last post I talked a little about the way computers see both their pre-defined commands in the form of machine code instructions that are grouped into applications by a programmer. … Continue reading →

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