Ever opened a file and seen strange symbols or jumbled text? This post shows how to change the character encoding in Excel or ...

You might get a Microsoft Word 2007 email attachment from friends, co-workers or others - especially someone from another country - that can't be read. The text file may contain unusual strings of ...

In the late 1930s, Claude Shannon showed that by using switches that close for "true" and open for "false," it was possible to carry out logical operations by assigning the number 1 to "true" and 0 ...

Digital transmission is the sending of information over physical communication media in the form of digital signals. Analog signals must therefore be digitized first before being transmitted. The ...