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MCQs

Total Questions : 229 | Page 6 of 23 pages
Question 51. A field that uniquely identifies which person, thing, or event the record describes is a ______.
  1.    file
  2.    data
  3.    field
  4.    key
  5.    None of these
 Discuss Question
Answer: Option D. -> key
Question 52. Numbers in table columns are usually
  1.    right-aligned
  2.    left-aligned
  3.    justified
  4.    centered
  5.    None of these
 Discuss Question
Answer: Option A. -> right-aligned
Question 53. In order to understand DBMS, it is important to understand ?
  1.    the physical schema
  2.    all sub schema that are system support
  3.    one sub schema
  4.    Both (a) and (b)
  5.    on demand report
 Discuss Question
Answer: Option C. -> one sub schema
Question 54. __________ represents raw facts, whereas __________ is data made meaningful.
  1.    Information, reporting
  2.    Data, information
  3.    Information, bits
  4.    Records, bytes
  5.    None of these
 Discuss Question
Answer: Option B. -> Data, information
Question 55. A record is related to a file as a statement is related to a __________.
  1.    procedure
  2.    file
  3.    program
  4.    data
  5.    None of the above
 Discuss Question
Answer: Option D. -> data
Question 56. Meaningful filename helps in easy file ______.
  1.    Storing
  2.    Accessing
  3.    Identification
  4.    Printing
  5.    None of the above
 Discuss Question
Answer: Option B. -> Accessing
Question 57. The main purpose(s) of a database management program is to
  1.    allow users to retrieve and analyze stored records.
  2.    provide a way to store information about specified entities.
  3.    make it possible for users to store information as interrelated records.
  4.    translate hard-to-read data into more legible formats.
  5.    a, b, and c above
 Discuss Question
Answer: Option E. -> a, b, and c above
Question 58. What is a database ?
  1.    It is a collection of data arranged in rows
  2.    It is a collection of data arranged in columns
  3.    It is a collection of data arranged in rows and columns
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> It is a collection of data arranged in rows and columns
Question 59. ______ is one reason for problems of data integrity
  1.    Data availability constraints
  2.    Data inconsistency
  3.    Security constraints
  4.    Unauthorized access of data
  5.    Data redundancy
 Discuss Question
Answer: Option E. -> Data redundancy
Question 60. Distributed processing involves
  1.    solving computer component problems from a different computer
  2.    solving computing problems by breaking them into smaller parts that are separately processed by different computers
  3.    allowing users to share files on a network
  4.    allowing users to access network resources away from the office
  5.    None of these
 Discuss Question
Answer: Option B. -> solving computing problems by breaking them into smaller parts that are separately processed by different computers
Answer: (b)

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