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- Question
Advantages of data base system is (are)
Options- A. storage space duplication is eliminated
- B. all applications share centralized files
- C. data are stored once in the data base and are easily accessible when needed
- D. All of the above
- E. None of the above
- Correct Answer
- All of the above
- 1. The two classification of inputs are:
Options- A. energies and maintenance
- B. products and waste
- C. maintenance and waste
- D. maintenance and signal
- E. None of the above Discuss
- 2. System prototyping helps the designer in
Options- A. making the programmers understand how the system will function.
- B. communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
- C. giving a demo of the software, to the system manager to whom he reports
- D. both (a) and (b)
- E. None of the above Discuss
- 3. Main characteristic of "ring", in Data structure, is
Options- A. First record points only to the last record
- B. Last record points to the first record
- C. Many records point to one record
- D. Each record points to all other records
- E. None of the above Discuss
- 4. Direct-access organization
Options- A. means storing records in contiguous blocks according to a key.
- B. Stores records sequentially but uses an index to locate records
- C. uses an index for each key type
- D. has records placed randomly throughout the file
- E. None of the above Discuss
- 5. A group of related fields, is known as
Options- A. tuple
- B. schema
- C. records
- D. file
- E. None of the above Discuss
- 6. "User friendly" computers have ensured that
Options- A. management requires no system analysis and design.
- B. programmers are no longer needed
- C. structured programming is not needed
- D. All of the above
- E. None of the above Discuss
- 7. The records in a file on magnetic tape
Options- A. can only be accessed serially
- B. are meant for backup
- C. cannot be transformed to a disk file
- D. have to be arranged in a key sequence
- E. None of the above Discuss
- 8. Backup and recovery procedures are primarily implemented to
Options- A. handle the contingency when a file gets corrupted
- B. to provide data redundancy
- C. to show different versions of data and programs
- D. All of the above
- E. None of the above Discuss
- 9. Sequential or series testing is
Options- A. running the system with line data by the actual user
- B. making sure that the new programs do in fact process certain transactions according to Specifications
- C. is checking the logic of one or more programs in the candidate system
- D. testing changes made in an existing or a new program
- E. None of the above Discuss
- 10. In functional decomposition, the data flow diagram
Options- A. is ignored
- B. is partitioned according to the "closeness" of the datagrams and data storage items
- C. is partitioned according to the logical "closeness" of the actigrams
- D. both (a) and (c)
- E. None of the above Discuss
System Analysis and Design problems
Search Results
Correct Answer: maintenance and signal
Correct Answer: communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
Correct Answer: Last record points to the first record
Correct Answer: has records placed randomly throughout the file
Correct Answer: tuple
Correct Answer: None of the above
Correct Answer: can only be accessed serially
Correct Answer: handle the contingency when a file gets corrupted
Correct Answer: is checking the logic of one or more programs in the candidate system
Correct Answer: is partitioned according to the logical "closeness" of the actigrams
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