A. hardware problem
B. record organisation problems
C. heavy computational demands
D. loss of comments
Explanation: Records representing the same entity may be organised differently in different programs.
Related Mcqs:
- Extracting data items and objects, to get information on data flow, and to understand the existing data structures that have been implemented is sometimes called__________________?
A. data analysis
B. directionality
C. data extraction
D. client applications - Which of the following steps may not be used to define the existing data model as a precursor to re-engineering a new database model ?
A. Build an initial object model
B. Determine candidate keys
C. Refine the tentative classes
D. Discover user interfaces - Reverse engineering of data focuses on_____________________?
A. Internal data structures
B. Database structures
C. ALL of the mentioned
D. None of the mentioned - Which of the following statements are incorrect with reference to web-based systems? Web-based systems__________________?
A. should be unscalable
B. must be able to cope with uncertain, random heavy demands on services
C. must be secure
D. are subject to assorted legal, social, and ethical scrutiny - Which of the following is not a module type ?
A. Object modules
B. Hardware modules
C. Functional modules
D. Process support modules - Which of the following is not an example of a business process ?
A. designing a new product
B. hiring an employee
C. purchasing services
D. testing software - Which of the following is not an objective of reverse engineering ?
A. to reduce maintenance effort
B. to cope with complexity
C. to avoid side effects
D. to assist migration to a CASE environment - Which of the following is software engineer’s primary characteristics ?
A. A collection of useful tools that will help in every step of building a product
B. An organized layout that enables tools to be found quickly and used efficiently
C. A skilled artisan who understands how to use the tools in an effective manner
D. All of the mentioned - CASE tools are mainly used while developing which of the following methodologies?
A. RAD
B. JAD
C. OO Approach
D. All of the mentioned - Which of the following is not a type of CASE tool ?
A. Lower
B. Classic
C. Real
D. Middle