Networks Tcp-Ip DNS Internet Conections Types of Internet Connections. As technology grows, so does our need for things to go faster. Ten years ago, websites just included images, coloured text and some repetitive melodies. Now Flash websites, animations, high resolution photos, online gaming, videos or streaming ( […]
Networks Tcp-Ip DNS Internet Conections TCP/IP Protocol . Internet basics. Divide and win. That is the philosophy of the internet. If you need to send some information from one place in the world to another one far away, what is the best way? If you send all […]
Calc. The spreadsheet of Openoffice The spreadsheet component of OpenOffice is called Calc. With this program you can enter numerical data and then run the program to produce certain results, for example, you can calculate how much you spend on your mobile in a month if you have the […]
Computer Grafics Gimp Inkscape Inkscape. Vectorial graphics program This is the other big graphics program using mathematical formulas. The first example is to create a toothed wheel or gear to make a simple mechanical transmission. Let’s star with a small manual 1st Path Operations There are a number of commands […]
Computer Grafics Gimp Inkscape Computer graphics. Bitmap program Now, a free bitmap software available for Linex and Windows. The GIMP. Like Photoshop, it has plenty of features that allow us to undertake tasks as easy as changing a colour photograph to make a cool logo or an animation. The […]
Computer Grafics Gimp Inkscape Computer graphics. Image treatment The term computer graphics may be defined as images created by computer software. Today, all commercial computers use graphics. A few seconds after you turn on your computer the screan shows icons ( small graphics ). There are two types of […]
Energy Wind Energy Solar Energy Nuclear Energy Work, Energy and Power Work: Wind energy has traditionally been exploited for thousands of years as a source of energy in ship navigation, wind mills and throughout the last 30 years for producing electricity using wind turbines. Wind is a renewable energy because […]
Mechanism Gears Steam engine 4 Stroke engine Turbojet Exercices Mechanisms Exercises 1º Indicate, for each case, in which direction the balance is inclined: towards the right, left or in equilibrium. 2º . What mechanisms can be used if I have to raise a piano to the 6th floor so […]
Mechanism Gears Steam engine 4 Stroke engine Turbojet Exercices Four stroke engine . Stroke is defined as the movement of the piston from the ‘bottom dead centre ‘ (BDC) to the ‘top dead centre’ (TDC) or the other way round, that is from TDC to BDC. A four stroke […]
Mechanism Gears Steam engine 4 Stroke engine Turbojet Exercices Steam engine . A steam engine is a machine that produces mechanical work using steam. It needs a hot source to transform water into steam. On the left, a simple steam engine. There is an inlet valve ( in the […]