The definition for latency is simple: Latency = delay. Itâs the amount of delay (or time) it takes to send information from one point to the next. Latency is usually measured in milliseconds or ms. Itâs also referred to (during speed tests) as a ping rate.
VLOOKUP is a powerful Excel function that allows you to look for a specified value in one column of data inside a table, and then fetch a value from another column in the same row.
The built-in VLOOKUP function in Office Excel 2007 is used to dynamically search for matching values in a table arrays. Given a value, it performs a vertical search in the first column of the specified table, and if it finds a match, it returns a value from the specified column in the same row.