Related Questions

The records in a file or magnetic tape
A can only be accessed serially
B have to be arranged in a key sequence
C are meant for backup
D cannot be transferred to a disk file
E None of the above
Records on magnetic tape are often grouped into ---- in order to enhance reading/writing
A sectors
B blocks
C tracks
D files
Magnetic tape can serve as
A Secondary storage media
B Output media
C Input media
D All of them
_________ is most commonly used for making magnetic recording tape
A Silver nitrate
B Ferric oxide
C Small particles of iron
D Silicon-iron
What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
A Load maker
B Load marker
C Tape separator
D Tape marker
E None of the above
When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.
A True
B False
Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?
A indexed sectors
B sequential
C direct
D indexed direct
E None of the above
The data stored on a tape or disk file may be recorded in a report form described as
A a soft copy ledger
B printer spacing from
C proof listing
D All of the above
E None of the above
Which of the following file organizations is most efficient for a file with a high degree of file activity?
A sequential
B ISAM
C VSAM
D B-Tree index
E All of the above
The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.
A Database
B Table
C Flat file
D Data structure
E None of the above

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