Computer Organization...
Thursday, October 13, 2005
  Auxiliary memory
Two Mark Questions……..

1. What is auxiliary memory?
The memory devices that are used for backup storage are called auxiliary memory devices

2. What are the important characteristics of auxiliary devices?
The important characteristics of storage devices are its access mode, access time, transfer rate, capacity and cost

3. Define access time
The average time required to reach a storage location in memory and obtain its contents is access time

4. What is seek time?
In disks and tapes, the time required to position the read –write head to particular location is called seek time

5. What is transfer time?
The average time required to transfer data to or from the device is transfer time

6. What is transfer rate?
The number of characters or words that the device can transfer per second, after it has been positioned at the beginning of the record is called transfer rate

Other questions……

1. Write notes on magnetic disk and explain tracks and sectors with diagram (8)
2. Write notes on magnetic tape (6)
3. What is auxiliary device, and explain the commonly used auxiliary devices (16)
 




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