Computer Basic Information
Data System management has long-term viability as a separate business function because

It requires large investments
It requires much technical knowledge
An integrated database accessible to all requires independent management
None of these
Specialists in data systems cannot be integrated into a marketing or manufacturing organization

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Computer Basic Information
The magnetic disks and drums are like recirculating shift registers because

None of these
their storage is non volatile
stored data is available for reading over and over again in the same order.
their access times are about the same
they have about the same storage capacity

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