A browser is not related to spreadsheets. Terms like Cell, Formula, and Character are commonly used in spreadsheets such as Microsoft Excel or Google Sheets. A cell is the basic unit, formulas are used for calculations, and characters are the text or symbols within the cells.

The CPU (Central Processing Unit) is the brain of a computer system, responsible for executing instructions and processing data. While storing and transferring data are also important, these are managed by other components like memory and I/O devices.

In Microsoft Excel, the shortcut Alt+F4 is used to close the application. This key combination works universally across most Windows applications to close the current window.

A search engine is a website used to find information on a specific topic. Examples include Google, Bing, and Yahoo. They index webpages and provide relevant results based on the user's query.

In MS Excel, the COUNTIF function is used to count the number of cells that meet a specific condition. The syntax is COUNTIF(range, criteria), where the range specifies the cells to evaluate, and the criteria define the condition to check.