✅ The correct answer is option D.
Before the invention of word processing and spreadsheet software, personal computers had little value in the mainstream business world. WordStar was used before the days of function keys and the mouse. It, instead, used a set of Ctrl and Alt key combinations to navigate and edit text documents.
✅ The correct answer is option D.
The term EMF, or Electromotive Force, its use now in decline, is attributed to Italian physicist Alessandro Volta (1745-1827). Today we generally use the term “voltage” – can you guess why we call it that?
✅ The correct answer is option B.
Spiders are also referred to as “bots” or “crawlers,” and constantly scan the Internet for new and updated Web sites.