Archive for March, 2012
Saturday 31 March, 2012
One ‘Sub’ to rule them all!
So far we have be using Sub Procedures which have been generated when we double click on a button and an event method is called. This lesson we are going to create our own “Custom” Sub which will help us make our code more efficient. If you haven’t already you need to download and run [...]
Friday 30 March, 2012
Many ways to skin a cat!
Last lesson we looked at using If Statements and Checkboxes to control styles applied to fonts. Once you successfully ran your program you would had found that there were issues with using the “CheckState.Checked” and “CheckState.Unchecked”. This lesson we will look at two methods to solve those issues. Remember that with programming there is more [...]
Monday 26 March, 2012
Programming: Classic Controls
The Checkbox is classic control in Visual Basic 2010. It allows the user to elect one or more item by checking the checkbox/checkboxes concerned. The check box control displays a check mark when it is selected. It is commonly used to present a Yes/No or True/False (Boolean) election to the user. You can use a [...]
Wednesday 21 March, 2012
Programming: Converting Data Types
Last lesson we played with receiving inputs from a user and then performing a mathematical sum with the value. When you are converting one datatype class to another, you must realise that the result of that conversion could vary depending on the type of conversion that you perform. For example if you try to convert a Decimal [...]
Tuesday 20 March, 2012
Introduction to Programming
For Year 10 – Computer Science we just started learning to Visual Basic as a part of the programming course work. As this is first time many of you have encountered a programming language many of the concepts and terms will be very foreign, but rest assured if you stick with it you will get [...]
Wednesday 07 March, 2012
Evernote Plugin
Evernote is an awesome tool to keep your class notes. It allows you to index link, categorise and develop relationships between different topics. The best thing of all is that you won’t lose your notes so you can search for the correct topics when it comes time to study. You can also add PDF attachments, [...]
Sunday 04 March, 2012
The Adventures of TinTin Intel: CPU Architecture
We have covered the Input, Processing and Output (IPO) procedure for computers and also the basic hardware components and their purpose. We will now look at the CPU Architecture and machine cycle. The Central Processing Unit (CPU) of a simple computer contains hardware (control unit and arithmetic logic unit) that executes the instructions, as they [...]
Sunday 04 March, 2012
Preparing for Disasters: Backup, Sync and Restore
Everyone who uses a computer to save or store files will at some time or another experience that heart stopping moment when they realise their files are lost. Don’t let those files be lost forever. It’s plain and simple: if you use a computer, you need to backup your data. It’s not a question of [...]
Sunday 04 March, 2012
Disaster Aftermath: System Recovery
After disaster strikes, you will be left to pick-up the pieces and recover what is left of your digital data. Depending on the extent of the damage you will need to restore your system and get back to work as quickly as possible. In order to do this there are physical and virtual preventative measures [...]
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