Light pen

    
Light pen A small, photosensitive device connected to a computer and moved by hand over an output display in order to manipulate information in the computer. Light pens have the advantage of 'drawing' directly onto the screen, but this can become uncomfortable, and they are not as accurate...

File extensions

    
File extensions You may have noticed that file names are usually followed by a period and three letters. This three letter sequence is known as the ‘file extension’ and is a way for the computer to recognize what type of file formatting you are opening. Some of the more common file extensions are...

Click versus right click

    
Click versus right click When you look at your mouse, you should instantly notice that there are two (or sometimes three) different buttons which can be clicked. For most situations the user will use the left button. For this reason when people refer to ‘click’ they are referring to left click....

RAM, ROM

    
RAM, ROM what are they and how do they affect my computer? RAM, or Random Access Memory, refers to the amount of ‘working memory’ that your computer as. More specifically, RAM is the feature of a computer that allows programs to run. The more RAM that a computer has, the faster programs will run....

Introduction computer basics for PC

    
Introduction computer basics for PC Using a computer is not such a daunting task, especially when you are more familiar with some of its basic operations. This job aid will help the computer novice glide smoothly through some basic operations useful in a PC Windows environment. Parts of a computer Before...

About Designing

    
About Designing Design is the creation of a plan or convention for the construction of an object, system or measurable human interaction (as in architectural blueprints, engineering drawings, business processes, circuit diagrams, and sewing patterns). Design has different connotations in different...