Discussion
Home ‣ Computer Science ‣ Electronic Principles See What Others Are Saying!
- Question
Which one of the following phrases best describes residual magnetism?
Options- A. Magnetism that remains in the core of an electromagnet after the current through the coil is turned off
- B. The force of attraction between the poles of a permanent and temporary magnetic field
- C. The amount of magnetic flux that is not confined to the core material of an electromagnet
- D. The circular magnetic field that surrounds a conductor carrying a current
- E. None of the above
- Correct Answer
- Magnetism that remains in the core of an electromagnet after the current through the coil is turned off
- 1. What is the port number for NNTP?
Options- A. 119
- B. 80
- C. 79
- D. 70 Discuss
- 2. Which command is used to extract specific columns from the file?
Options- A. cat
- B. cut
- C. grep
- D. paste
- E. None of the above Discuss
- 3. A route is a path between two network segments
Options- A. True
- B. False Discuss
- 4. A band is always equivalent to
Options- A. a byte
- B. a bit
- C. 100 bits
- D. 16 bits
- E. None of the above Discuss
- 5. EDP auditing has become popular since
Options- A. 1980
- B. 1950
- C. 1970
- D. 1975
- E. None of the above Discuss
- 6. Which of the following is not a filter?
Options- A. cat
- B. grep
- C. wc
- D. sort
- E. None of the above Discuss
- 7. Which option is used with the chmod command recursively to all files and sub-directories in a directory?
Options- A. -1
- B. -i
- C. -x
- D. -R
- E. None of the above Discuss
- 8. The tracks on a disk which can be accessed without repositioning the R/W heads is
Options- A. Surface
- B. Cylinder
- C. Cluster
- D. All of the above
- E. None of the above Discuss
- 9. Which command is used to link the files?
Options- A. lk
- B. ln
- C. cp
- D. tar
- E. None of the above Discuss
- 10. What sign is used to back up over typing errors in vi?
Options- A. !
- B. $
- C. #
- D. @
- E. None of the above Discuss
More questions
Correct Answer: 119
Correct Answer: cut
Correct Answer: True
Correct Answer: None of the above
Correct Answer: 1970
Correct Answer: None of the above
Correct Answer: -R
Correct Answer: Cylinder
Correct Answer: ln
Correct Answer: #
Comments
There are no comments.More in Computer Science:
Programming
Copyright ©CuriousTab. All rights reserved.