21. On the feasibility committee, department representatives serve as
A. ready source of information
B. liaison to their departments
C. direct users of the new system
D. both (a) and (c)
E. None of the above
22. The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a
A. pilot conversion
B. crash conversion
C. phased conversion
D. parallel run
E. None of the above
23. Which of the following statements is not true
A. at example of a hierarchical data structure is tree
B. pointers are useful in traversing a linked list
C. a checksum digit is used for detecting errors in data transmission
D. All of the above
E. None of the above
24. The database be prepared until
A. the computer has been selected
B. the MIS staff has been acquired and organized
C. the preparation of physical facilities
D. All of the above
E. None of the above
25. The system study project includes
A. system analysis
B. system design
C. implementation
D. both (a) and (b)
E. None of the above