Discussion
Home ‣ Computer Science ‣ Database Systems See What Others Are Saying!
- Question
The main idea behind computer files is that it is convenient to
Options- A. arrange them
- B. store information together
- C. create them
- D. access them
- E. None of the above
- Correct Answer
- store information together
- 1. What would you ask to determine if the display is working?
Options- A. Is there a video cursor or action on the screen?
- B. Did the computer beep or chime?
- C. Is there high voltage static on the screen
- D. Is the brightness or contrast turned up or down?
- E. All of the above Discuss
- 2. _____ use standardized symbols to represent an algorithm.
Options- A. Flowcharts
- B. Flow diagrams
- C. IPO charts
- D. Pseudocharts
- E. Pseudocode Discuss
- 3. Data structuring is refined through a process called
Options- A. structuring process
- B. hierarchical structure
- C. normalization
- D. Relation structure
- E. None of the above Discuss
- 4. If a sine wave has a frequency of 500 Hz, the period in seconds of the sine wave is:
Options- A. 5000
- B. 0.003
- C. 0.02
- D. 0.002.
- E. None of the above Discuss
- 5. What resistance in ohms should be displayed when testing a speaker in a computer?
Options- A. Q Ohms
- B. 16 Ohms
- C. -200 Ohms
- D. Unlimited Ohms
- E. None of the above Discuss
- 6. Which of the following commands is used to display the filenames in multiple columns?
Options- A. ls
- B. ls -1
- C. ls -x
- D. lc
- E. None of the above Discuss
- 7. The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a
Options- A. pilot conversion
- B. crash conversion
- C. phased conversion
- D. parallel run
- E. None of the above Discuss
- 8. The cray X-MP, IBM 3090 and connection machine can he characterized as
Options- A. SISD
- B. SIMD
- C. MISD
- D. MIMD
- E. None of the above Discuss
- 9. A multiple-form file management system
Options- A. lets you define different forms for different operations
- B. lets you create a look-up form with an associated read-only password to prevent access by unauthorized users
- C. both (a) and (b)
- D. allow you to entry data in all the forms
- E. None of the above Discuss
- 10. A bus is a group of _____ carrying digital signals.
Options- A. wires
- B. gates
- C. transistors
- D. registers
- E. None of the above Discuss
More questions
Correct Answer: All of the above
Correct Answer: Flowcharts
Correct Answer: normalization
Correct Answer: 0.002.
Correct Answer: 16 Ohms
Correct Answer: ls -x
Correct Answer: crash conversion
Correct Answer: SIMD
Correct Answer: both (a) and (b)
Correct Answer: wires
Comments
There are no comments.More in Computer Science:
Programming
Copyright ©CuriousTab. All rights reserved.