Computer Basic Information
What is backup?

Accessing data on tape
Filtering old data from the new data
Adding more components to your network
None of these
Protecting data by copying it from the original source to a different destination

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Computer Basic Information
Which of the following is not true of immediate processing?

It can be used in an airline-reservation system
All of these
It is often used in real-time applications
Transactions are processed shortly after a real-world event occurs
It can occur with either sequential of direct-access files

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