Worksheet , A grid in the form of rows and columns., Formula , A mathematical equation or an expression that is used to define how a particular cell is linked to other cells in a worksheet. , Template , A predefined layout containing the main elements of the doucment it represents; the contents and layout of the template can be edited to suit the needs of the specific user, Importing Data, Allows data produced in another application to be used in a spreadsheet, Function , Part of the software application that performs a specific task and returns a value, such as finding the average of a list of numbers, Relative cell reference, Changes a formula's cell references to refer to the next cell(s) when the formula is copied down a column or across a row, Absolute cell reference, When a formula is copied to other cells, part of the cell reference does not change as the formula is modified. , Macro, A small program written to perform a repetitive task automatically , Data modelling , Uses mathematical formulas and calculations on data to help predict outcomes for given situations, CPU , Central processing unit; the processor of the computer. This is where data is processed, Fetch-execute cycle, A computer process that locates a program instruction from internal memory, decodes the instruction and carries out the action required. , RAM, Memory can be read from or written to (volatile), ROM, Memory can be read from but not written to (non-volatile), Local area network, A network where computers are geographically close together, Wide area network, A network where computers are geographically far apart. , Uniform resource locator , The address that can be entered into the address bar to locate a website, HTML, The language used to define the structure of webpages, Network Interface Card, An electronic board fitted to a computer to allow it to be connected to a network, File server, A powerful computer on a network, the main purpose of which is to store users files, Switch , A hardware device that allows a computer to connect to it using a cable to access a network, Virus, A program that is designed to damage a computer system.

Spreadsheets and Computer Hardware

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