Google Sheets is the best alternative to MS Excel offered by Google Inc. It is a web-based spreadsheet program that allows users to create, edit, and collaborate on spreadsheets online in real time.

Microsoft Excel was first released for the Macintosh in 1985 by Microsoft Corporation. It was later introduced for Windows in 1987 and became one of the most popular spreadsheet applications worldwide.

A Virtual Private Network (VPN) extends a private network across public networks like the internet. It encrypts data to ensure secure communication, enabling users to access the private network remotely as if they were directly connected to it.

The smallest GPS units are wearable devices, often in the form of wristwatches or fitness trackers. These devices are compact and portable, designed for personal use, such as navigation, fitness tracking, and outdoor activities.

VVPAT (Voter Verifiable Paper Audit Trail) is a system used in electronic voting machines (EVMs) to ensure transparency. It provides voters with a printed receipt to verify their vote, adding a layer of accountability to the election process.