Hardware and Software
Abbreviated as HW, Hardware is best described as any physical component of a computer system that contains a circuit board, Is's, or other electronics. A perfect example of hardware is the screen on which you are viewing this page whether it be a computer monitor, tablet or smartphone; it's Hardware. Without any hardware, your computer would not exist, and Software could not be used. The picture is a Logitech Webcam an example of an external hardware peripheral. This hardware device allows users to take videos or pictures and transmit them over the Internet.
Sometimes abbreviated as SW and S/W, software is a collection of Instructions that enable the user to interact with a computer, its hardware, or perform tasks. Without software, computers would be useless. For example, without your Internet Browser, you could not surf the Internet or read this page and without an Operating System, the browser could not run on your computer. The picture to the right shows a Microsoft Excel box, an example of a spreadsheet software program. There are lots of different types of software including: PowerPoint, Firefox, Google Chrome, Outlook, Thunderbirds, Java, Perl and Windows.