Software applications are increasingly evident and crucial in so many aspects of everyday life that many of us would have a hard time getting through a typical day without the use of some of them. Whether they are on a PC, a Mac, or most recently, on our cell phones, these software applications have drastically [...]

What is Software? Software is a set of instruction written to interface between man and machine. Who writes this instructions? Programmers writes this instructions. How the programmers write the instructions /software? They use computer languages to write software applications. Software can be divided into three main categories: Languages Applications Operating Systems (OS) LANGUAGE: It is [...]

Case study: A secretary using Corel WordPerfect 7 is often required to carry out calculations and insert the values into invoices or other documents. She does this by entering calculations into either a real calculator and transcribing the answer, or the Microsoft calculator and copying then pasting the result into the document. Doing this affects [...]