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Database Systems: Concepts, Design and Applications by S. K. Singh

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Tick (✓) the Appropriate Answer

1.If data are stored sequentially on a magnetic tape, they are ideal for:
  1. on-line applications

  2. batch processing applications

  3. spreadsheet applications

  4. decision-making applications.

2.Compared to the main memory, secondary memory is:
  1. costly

  2. volatile

  3. faster

  4. none of these.

3.Secondary storage devices are used for:
  1. backup of data

  2. permanent data storage

  3. transferring data from one computer to another

  4. all of these.

4.Which of the following is direct access processing method?
  1. relative addressing

  2. indexing

  3. hashing

  4. all of these.

5.Compared to the main memory, secondary memory is:
  1. costly

  2. volatile

  3. faster

  4. none of these.

6.What is a collection of bytes stored as an individual entity?
  1. record

  2. file

  3. field

  4. none of these.

7.A file contains the following ...

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