DBMS-Physical Data Organization Questions and Answers

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Q51
Which of the following file is created by extracting data to prepare a report?
  • A report file
  • B master file
  • C transaction file
  • D all of these
Answer: Option A
Q52
DASD stands for:
  • A Discrete Application Scanning Devices
  • B Double Amplification Switching Devices
  • C Direct Access Storage Devices
  • D None of these
Answer: Option C
Q53
Advantages of Secondary storage devices are:
  • A economy
  • B security
  • C capacity
  • D all of these
Answer: Option D
Q54
Employee ID, Supplier ID, Model No and so on are examples of:
  • A primary keys
  • B fileds
  • C unique record identifier
  • D all of these
Answer: Option D
Q55
Which of the following is DASD ?
  • A magnetic tape
  • B magnetic disk
  • C zip disk
  • D DAT Cartridge.
Answer: Option B
Q56
Which of the following is sequential access storage device?
  • A hard disks
  • B magnetic tape
  • C jaz disk
  • D floppy disk.
Answer: Option B
Q57
In primary data storage area:
  • A records are written when an indexed-sequential file is originally created
  • B record are written by the user's programs
  • C records are written in data blocks in ascending key sequence
  • D all of these.
Answer: Option D
Q58
Which storage media does not permit a record to be read and written in the same place?
  • A magnetic disk
  • B hard disk
  • C magnetic tape
  • D none of these
Answer: Option C
Q59
Data transfer rate is the time:
  • A from when a read or write request is issued to when data transfer begins
  • B amount of time required to transfer data from the disk to or from main memory
  • C required to electronically activate the read/write head over the disk surface where data transfer is to take place
  • D none of these
Answer: Option B
Q60
Optical storage is a:
  • A high-speed direct access storage device
  • B low-speed direct access storage device
  • C medium-speed direct access storage device
  • D high-speed sequential access storage device.
Answer: Option B

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