QUESTION 2

1. You must implement a fixed-order, variable-number of variable length fields in a variable length record using a field delimiter. How will you be able to identify a missing field?

   One cannot identify a missing field.

   The missing field will be padded with an arbitrary number of spaces.

   The byte count for the record will be less than average.

   Two delimiters will occupy adjacent bytes in the record.

1 points   

 

QUESTION 3

1. The default organization for all files is __________ organization.

   indexed

   sequential

   random

   dynamic

   relative

1 points   

 

QUESTION 4

1. Given an 80-byte record and a 6250-characters-per-inch tape drive with a .45 inch gap, the data will take up __________ percent of the tape.

   a.	2.77
   b.	5.65
   c.	3.50
   d.	4.75

1 points   

 

QUESTION 5

1. A self describing file makes use of a(n) __________.

   header record

   index

   variable record structure

   blocking scheme

1 points   

 

QUESTION 6

1. Which of the following is one of the characteristics that recommend tape as a storage medium?

   a.	Tape is durable.
   b.	Tape is fast.
   c.	Tape allows direct access.
   d.	Tape drives are widely available.

1 points   

 

QUESTION 7

1. The area of the tape that contains the code for one character or byte is called a(n) __________.

   frame

   sector

   gap

   track

1 points   

 

QUESTION 8

1. Which of the following is appropriate for a file having a variable order of fields?

   Tags

   Delimiters

   Fixed lengths

   Indexes

1 points   

 

 

 

QUESTION 10

1. Which of the following is NOT a method of maintaining the identity of fields?

   a.	Fixing the length
   b.	Length indicators
   c.	Delimiters
   d.	Tags
   e.	Use of an index file

ComputerScienceExpert

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Status NEW Posted 05 May 2017 01:05 AM My Price 8.00

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