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Using functions in a PHP program (part 1)
As your programming code grows, it is much easier to use functions. Functions are pieces of code that are more manageable and you can reuse the same programming code wherever it is necessary to...
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Using functions in a PHP program (part 2)
As we continue with the series of Using functions in a PHP program, the next program will demonstrate the function block. As shown in the Using functions in a PHP program (part 1) article, in order...
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Using functions in a PHP program (part 3)
In part 3 of the Using functions in a PHP program, we will discuss and demonstrate using a variable declared inside a function. When we use a variable inside a function, it is called a local...
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Using functions in a PHP program (part 4)
Using functions in a PHP program (part 4)As mentioned in the last article, Using functions in a PHP program (part 3), we will continue with a global variable discussion and demonstration. As discussed...
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Using functions in a PHP program (part 5)
In this article we will discuss and demonstrate passing values to a function in a PHP program. A variable must be anticipated by a function, it cannot just appear. When you pass values to a function,...
View ArticleUsing functions in a PHP program (part 6)
As we continue with Using functions in a PHP program (part 6), let’s discuss and show an example of how to pass the right type of values to a function. When passing values to a function, the right...
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Using functions in a PHP program (part 7)
In this next article, we will discuss and demonstrate how to pass values in the correct order to a function. When a function is expected to perform a certain task and the values are not passed in a...
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Using functions in a PHP program (part 8)
As we continue with using functions in a PHP program, we will discuss and demonstrate how to pass the right number of values in a function. As you design a function, you must pass the right number of...
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Tips for the typical computer user to maintain their PC Window computer (part 1)
Many of us depend on our computers on a daily basis by using e-mail, the internet, preparing documents or spreadsheets. Each year end, I usually clean my computer totally off and then reinstall my...
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Tips for the typical computer user to maintain their PC Window computer (part 2)
We will continue to discuss tips for the typical user to maintain their PC windows computer. Listed below are the next steps you can take:4) Run a disk defragmentThe disk defragmentation includes a...
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Tips for the typical computer user to maintain their PC Window computer (part 3)
Tips for the typical computer user to maintain their PC Window computer (part 3) is a bit more advanced than part 1 and part 2. This article discusses opening the case/panel(s) of your computer...
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Data communications, simplified (part 1)
Sharing information is how we communicate. Local communication is between individuals – a face-to-face conversation and remote communication takes place over a distance.Whenever we refer to data...
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Data communications, simplified (part 2)
The five components of a data communication system – continued…The sender is the device that sends the data message - for example, a computer, workstation, telephone handset, video camera, etc.The...
View ArticleNetwork essentials (part 4)
The ring topology is where each device has a dedicated point-to-point link with only the two devices on either side of it. The signal travels through device to device on the ring in one direction...
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Network essentials (part 3)
The star topology is where each device has a dedicated point-to-point link only to the central controller, known as a hub. The hub acts as an exchange. When one device wants data sent to another...
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Network essentials (part 2)
The Physical structures within a network are of key importance. A network as defined is two or more devices connected through links. A link represents the communication pathway that is responsible for...
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Network essentials (part 1)
A network is a set of devices, known as nodes, these nodes can be a printer, a computer, or other devices capable of sending or receiving data generated by other nodes on a the network. Most networks...
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Standalone vs. network computer
A standalone computer is a self-sufficient system. There is no connection to any other computer. For various tasks such as writing a memo or creating a spreadsheet, the software applications installed...
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Computer basic concepts (part 1)
It is important to have a firm understanding of why a computer reacts to the commands of their end-user. It is not essential for you to know everything but it is important to have a basic...
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Computer basic concepts (part 2)
Hard Disk Drive...A hard disk is the main reusable storage device, which holds information, such as software programs or data, in the form of files. Information is permanently saved on disk can be...
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