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- Question
Error detecting code is
Options- A. an error-detecting code based on a summation operation performed on the bits to be checked
- B. a check bit appended to an array of binary digits to make the sum of all the binary digits.
- C. a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the error is detected.
- D. the ratio of the data units in error to the total number of data units
- E. None of the above
- Correct Answer
- a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the error is detected.
- 1. What command is used to remove jobs from the print queue?
Options- A. lpq
- B. lpr
- C. lprm
- D. lpc
- E. None of the above Discuss
- 2. Which of the following is a universal gate?
Options- A. AND
- B. OR
- C. EX-OR
- D. NAND
- E. None of the above Discuss
- 3. What command is used to copy directory structures in and out?
Options- A. copy
- B. cp - p
- C. cpio
- D. cp
- E. None of the above Discuss
- 4. The EIA-232 interface has _____ pins.
Options- A. 20
- B. 24
- C. 25
- D. 30 Discuss
- 5. The net charge of a neutral copper atom is
Options- A. 0
- B. +1
- C. -1
- D. +4
- E. None of the above Discuss
- 6. What is the port number for NNTP?
Options- A. 119
- B. 80
- C. 79
- D. 70 Discuss
- 7. 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
- 8. A route is a path between two network segments
Options- A. True
- B. False Discuss
- 9. 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
- 10. EDP auditing has become popular since
Options- A. 1980
- B. 1950
- C. 1970
- D. 1975
- E. None of the above Discuss
More questions
Correct Answer: lprm
Correct Answer: NAND
Correct Answer: cpio
Correct Answer: 25
Correct Answer: +1
Correct Answer: 119
Correct Answer: cut
Correct Answer: True
Correct Answer: None of the above
Correct Answer: 1970
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