Signal original form to a waveform expressed as a current ("I") or a voltage ("V"), or an electromagnetic waveform, for example, an optical signal or radio transmission. Once expressed as an electronic signal, the signal is available for further processing by electrical devices such as electronic amplifiers and electronic filters, and can be transmitted to a remote location by electronic transmitters and received using electronic receivers. In Electrical engineering programs, a class and field of study known as "signals and systems" (S and S) is often seen as the "cut class" for EE careers, and is dreaded by some students as
Word processor (electronic device) was WordPerfect. It had more than 50% of the worldwide market as late as 1995, but by 2000 Microsoft Word had up to 95% market share. MacWrite, Microsoft Word, and other word processing programs for the bit-mapped Apple Macintosh screen, introduced in 1984, were probably the first true WYSIWYG word processors to become known to many people until the introduction of Microsoft Windows. Dedicated word processors eventually became museum pieces. Word processor (electronic device) A word processor is an electronic device or computer software application that performs the task of composing, editing, formatting, and printing of documents. The word processor