That's the definition of a CD-ROM, a CD burned with computer data, as opposed to blank CDs such as CD-R or CD-RW.
This is Random Access Memory. It is a form of data storage. Data does not need to be in any particular order with RAM. It is quick, unlike CDROMS for instance which have to be recorded and require the physical movement of a reading head.
A storage device is any computer hardware meant to store data permanently or semi-permanently. This includes, but is not limited to hard disks, floppy disks, cdroms and DVDs.
Secondary data is data that was collected from someone else an already exists for a different purpose. Using secondary data is usually the easiest and cost effective way of gaining data for marketing.
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Data recovery is often done at a computer repair facility. However, there are protection plans that can be bought when you buy a new computer and turning the computer in at the place you bought it is usually enough because the protection plan with ensure the problem will be fixed.
Data that is collected may have been collected previously for some reason, or it might have been collected recently. Data is usually collected to show statistics or information about something specific.
Interpolation is filling in the data points between the data that has already been collected. Extrapolation is filling in data points beyond the data that has already been collected, or extending the data.
When copying cells in Excel to a destination where data already exists, you can choose to either replace the existing data with the copied data, keep the existing data and not copy over it, or merge the copied data with the existing data. When moving cells in Excel to a destination where data already exists, the original cells will be replaced by the moved cells.
"Data" is the plural of "datum". And we don't pluralise nouns that are already plural.
The word data is already plural. The singular form of the word data is datum.
Data series usually refer to groups of data that are on Excel charts.
Expense data is usually reported with expense reporting software. The actual setup depends on the company and the type of expense data being collected.