Mobile security (wireless security)

Mobile security, also known as wireless security, is the protection of portable electronic devices such as laptops, smartphones, and tablets from unauthorized access and malicious software. Mobile devices are often used to store sensitive data such as corporate email, financial information, and personal photos and videos. These devices are also frequently used to access corporate … Read more


A hierarchy is an organizational structure in which items are arranged in a nested, hierarchical order. In a hierarchy, each item is either a sub-item of another item, or a parent item of one or more sub-items. A common example of a hierarchy is a file system, in which files and folders are arranged in … Read more

Kilogram-meter per second

The term “kilogram-meter per second” (abbreviated “kg-m/s”) is a unit of measurement for angular momentum. It is equal to the momentum of a one kilogram object moving at a speed of one meter per second. Is a newton a kilogram-meter per second? No, a newton is not a kilogram-meter per second. A newton is a … Read more

Fudge factor

A fudge factor is a number or other value that is introduced into a calculation or other process in order to allow for slight variations or inaccuracies. It is also known as a safety factor or margin of safety. For example, when designing a structure such as a bridge, engineers will use a fudge factor … Read more