题目内容

The program, which tells the computers what to do and the data, which provide the information needed to solve the problem, are kept inside the computer in a place called memory.

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General data structure types include the array, the file, the record, the table, the tree, and so on.

Microsoft Excel is a spreadsheet program that allows you to organize data, complete calculations, make decisions, graph data, develop professional looking reports, publish organized data on the Web, and access real-time data from Web sites.

After all, if we couldn’t feed information in and get results back, these machines would not be of much use.

The processes appear to run simultaneously because the user’s sense of time is much slower than the processing speed of the computer.