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MCQs

Total Questions : 251 | Page 25 of 26 pages
Question 241. A self check digit is useful in detecting
  1.    transcription errors only
  2.    None of these
  3.    transposition errors only
  4.    All of these
  5.    Random errors only
 Discuss Question
Answer: Option D. -> All of these
Question 242. A square symbols
  1.    defines a source or destination of system data
  2.    identifies data flow
  3.    is a data store-data at rest, or a temporary repository of data
  4.    None of these
  5.    represents a process that transforms incoming data flow(s) into outgoing data flows
 Discuss Question
Answer: Option A. -> defines a source or destination of system data
Question 243. A turnkey package includes
  1.    software
  2.    None of these
  3.    training
  4.    All of these
  5.    hardware
 Discuss Question
Answer: Option D. -> All of these
Question 244. During system study, data can be collected through
  1.    on-site observations
  2.    questionnaires
  3.    All of these
  4.    interviews
  5.    None of these
 Discuss Question
Answer: Option C. -> All of these
Question 245. Advantages of Relational Database Management systems are
  1.    All of these
  2.    Flexibility, of relating different logical files
  3.    Data independence since it allows the database to grow by adding new attributes and relations.
  4.    Security controls can be more easily implemented.
  5.    None of these
 Discuss Question
Answer: Option A. -> All of these
Question 246. Conversion method in which users, being used to an old system, continue to use the old system, along with the new system, is
  1.    Parallel run
  2.    Multitasking
  3.    Multiprocessing
  4.    None of these
  5.    All of these
 Discuss Question
Answer: Option A. -> Parallel run
Question 247. Which of the following represents processor activities, methods, and procedures in a data flow diagram?
  1.    None of these
  2.    feed back
  3.    flow chart
  4.    datagram
  5.    actigram
 Discuss Question
Answer: Option B. -> feed back
Question 248. The systems have been classified in different ways
  1.    All of these
  2.    None of these
  3.    open or closed
  4.    man-made information system
  5.    physical or abstract
 Discuss Question
Answer: Option A. -> All of these
Question 249. The person communicating with the manager to identify information needs is the
  1.    programmer
  2.    system analyst
  3.    None of these
  4.    vice- president of information system
  5.    executive vice-president
 Discuss Question
Answer: Option B. -> system analyst
Question 250. A structure chart is
  1.    a statement of information processing requirements
  2.    a hierarchical partitioning of the program
  3.    All of these
  4.    None of these
  5.    a document of what has to be accomplished
 Discuss Question
Answer: Option B. -> a hierarchical partitioning of the program

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