Discussion
Home ‣ Computer Science ‣ System Analysis and Design See What Others Are Saying!
- Question
All of the following tools are used for process descriptions except:
Options- A. structured english
- B. decision tables
- C. pseudocode
- D. data dictionaries
- E. None of the above
- Correct Answer
- data dictionaries
- 1. Semaphores
Options- A. synchronize critical resources to prevent deadlock
- B. synchronize critical resources to prevent contention
- C. are used to do I/O
- D. are used for memory management
- E. None of the above Discuss
- 2. Which device uses a DMA channel?
Options- A. Modem
- B. Network Card
- C. Sound Card
- D. All of the above
- E. None of the above Discuss
- 3. The most flexibility in how devices are wired together is provided by
Options- A. bus networks
- B. ring networks
- C. star networks
- D. T-switched networks
- E. None of the above Discuss
- 4. What command is used with vi editor to save file and remain in the editing mode?
Options- A. x
- B. q!
- C. :w
- D. :q
- E. None of the above Discuss
- 5. The communication mode that supports data in both directions at the same time is
Options- A. simplex
- B. half-duplex
- C. full-duplex
- D. multiplex
- E. None of the above Discuss
- 6. The major responsibilities of the data-base administrator are all of the following except:
Options- A. analyzing application systems
- B. advising programmers
- C. designing data base
- D. developing data dictionaries
- E. None of the above Discuss
- 7. Which of the following TTL subfamily is the fastest
Options- A. standard TTL
- B. high-speed TTL
- C. schottky TTL
- D. low-speed TTL
- E. None of the above Discuss
- 8. Which command(s) is(are) used to redefine a column of the table in SQL?
Options- A. ALTER TABLE
- B. DEFINE TABLE
- C. MODIFY TABLE
- D. All of the above
- E. None of the above Discuss
- 9. An operating system:
Options- A. can help reduce software development time
- B. provides ability for other programmers to understand the software structure
- C. is useless in most control applications
- D. All of the above
- E. None of the above Discuss
- 10. The time required for the fetching and execution of one simple machine instruction is
Options- A. Delay time
- B. CPU cycle
- C. Real time
- D. Seek time
- E. None of the above Discuss
More questions
Correct Answer: synchronize critical resources to prevent deadlock
Correct Answer: Sound Card
Correct Answer: bus networks
Correct Answer: :w
Correct Answer: full-duplex
Correct Answer: analyzing application systems
Correct Answer: schottky TTL
Correct Answer: ALTER TABLE
Correct Answer: can help reduce software development time
Correct Answer: CPU cycle
Comments
There are no comments.More in Computer Science:
Programming
Copyright ©CuriousTab. All rights reserved.