Earning Ways 4U

 There's no single standard dictating the number of keys, buttons, or characters on a keyboard; most companies use the PC keyboard with a total of 104 alphanumeric keys as a de facto standard. There have been many different manufacturers over the years, so the number of keys varies from model to model. On this page, we list the key counts for many of the more common types of keyboards in their respective classes. IBM/PC keyboards Original IBM PC Keyboard (1981) - 83 keys Updated IBM PC Keyboard (1984) - 84 keys AT Keyboard - 84 keys AT Enhanced Keyboard - 101 keys US Traditional Keyboard - 101 keys Enhanced European Keyboard - 102 keys Windows Keyboard - 104 keys Windows-based Laptop Keyboard - 86 keys Windows-based multimedia Keyboard - varies by how many special keys are present Apple keyboards Apple Keyboard with Numeric Keypad - 109 keys Apple Wireless Keyboard - 78 keys Apple MacBook Air laptop - 78 keys Miscellaneous keyboards Other keyboard configurations may include more th...

 Computer  The history of computers began with the primitives designs in the early 19th century and went on the change the world during the 20th century During 1801 to 1900 1801: joseph Marie jacquard ,a French merchant and inventor invents a loom that uses punched wooden cards to automatically weave fabiric designs .Early computers would use similar punch cards . 1821: English mathematics Charles Babbage  conceives of a steam-driven calculating machine that would be able to compute tables of numbers. Funded by the British government, the project, called the "Difference Engine" fails due to the lack of technology at the time, according to the University of Minnesota 1848: Ada Lovelace , an English mathematician and the daughter of poet lord  Byron, writes the world's first computer program. According to Anna Siffert, a professor of theoretical mathematics at the University of Münster in Germany, Lovelace writes the first program while translating a paper on Babbage's...