System Analysis and Design problems
- 1. The four icons used in building Data Flow Diagram are
Options- A. Flow, Source, Store, Process
- B. Flow, Process, Source, Store
- C. Flow, Process, Source/Destination, Store
- D. Source, Process, Destination, Store
- E. None of the above Discuss
Correct Answer: Flow, Process, Source/Destination, Store
- 2. Which of the following is not a part of a Data Flow Diagram?
Options- A. disk storage
- B. arrow
- C. Data store
- D. process represented by a bubble circle (circle)
- E. None of the above Discuss
Correct Answer: disk storage
- 3. The systems conversion technique of totally removing the existing system and immediately implementing the new system is called as
Options- A. crash conversion
- B. phased conversion
- C. pilot conversion
- D. parallel run
- E. None of the above Discuss
Correct Answer: crash conversion
- 4. Which of the following is an integrated collection of data with minimum redundancy, so that different applications can use the required data.
Options- A. records
- B. file
- C. DBMS
- D. schema
- E. None of the above Discuss
Correct Answer: DBMS
- 5. The black-box concept:
Options- A. is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
- B. assumes that the black box is independent
- C. assumes that inputs and outputs will remain stable
- D. All of the above
- E. None of the above Discuss
Correct Answer: None of the above
- 6. Sequential 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
Correct Answer: means storing records in contiguous blocks according to a key.
- 7. The term scheme means
Options- A. the relationship service bureau
- B. a map of overall structure of a database.
- C. a parent with no owners
- D. two dimensional table
- E. None of the above Discuss
Correct Answer: a map of overall structure of a database.
- 8. A _____ is software that is designed for drawing diagrams of information systems, writing process specifications, and maintaining data dictionaries.
Options- A. System Development Life Cycle
- B. CASE tool
- C. Phased Conversion
- D. Success factors
- E. Move of the above. Discuss
Correct Answer: CASE tool
- 9. Structured design produces computer programs that are
Options- A. easily
- B. maintained
- C. easily understood
- D. both (a) and (b)
- E. None of the above Discuss
Correct Answer: both (a) and (b)
- 10. Difference between Decision - Tables and Decision Trees is (are):
Options- A. value to end user
- B. form of representation
- C. one shows the logic while other shows the process
- D. All of the above
- E. None of the above Discuss
Correct Answer: form of representation
More in Computer Science:
Programming
Copyright ©CuriousTab. All rights reserved.