A device that converts digital signals to analog signals is?

  1. A modem
  2. A packet
  3. A block
  4. Both (A) and (B)

What is part of a database that holds only one type of information?

  1. Report
  2. Field
  3. Record
  4. File

A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

  1. Memory
  2. Buffer
  3. Accumulator
  4. Address

The two kinds of main memory are:

  1. Primary and secondary
  2. Random and sequential
  3. ROM and RAM
  4. All of above

Storage capacity of magnetic disk depends on

  1. tracks per inch of surface
  2. bits per inch of tracks
  3. disk pack in disk surface
  4. All of above