Discussion
Home ‣ Computer Science ‣ Linux See What Others Are Saying!
- Question
What command is used to assign only read permission to all three categories of the file'letter'?
Options- A. chmod u + r, g + r, o - x letter
- B. chmod ugo = r letter
- C. chmod a - rw letter
- D. chmod go + r letter
- E. None of the above
- Correct Answer
- chmod ugo = r letter
- 1. Demodulation is a process of
Options- A. converting analog to digital signals
- B. converting digital to analog signals
- C. multiplexing various signals into one high speed line signals
- D. performing data description. Discuss
- 2. Which of the following is not a key component of the evaluation process in building a DSS?
Options- A. criteria for evaluation
- B. means of measuring system-development time spent on the project
- C. means of monitoring the progress of the DSS
- D. formal review process
- E. All of the above are key components Discuss
- 3. Which of the following is(are) true of system analysts?
Options- A. their responsibility is to analyze and design system software
- B. they may be looked upon as an intermediary between users and programmers
- C. they are heavily involved with the system-development life cycle
- D. both (a) and (c)
- E. None of the above Discuss
- 4. Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?
Options- A. one bit or any odd number of bits inverted in a block of data during transmission
- B. two bits or any even number of bits inverted in a block during transmission
- C. one bit or any odd number of bits inverted in a byte during transmission
- D. two bits or any even number of bits inverted in a byte during transmission
- E. None of the above Discuss
- 5. With an IP address starting at 200, you currently have 10 subnets. What subnet mask should you use to maximize the number of available hosts?
Options- A. 192
- B. 224
- C. 240
- D. 248
- E. 252 Discuss
- 6. Communication circuits that transmit data in both directions but not at the same time are operating in
Options- A. a simplex mode
- B. a half-duplex mode
- C. a full-duplex mode
- D. an asynchronous mode
- E. None of the above Discuss
- 7. In inkjet printers, what is the most common problem with the paper tray?
Options- A. inconsistent printing
- B. malfunctioning pick-up rollers
- C. misalignment of the sheet feeder
- D. paper jamming on the ink cartridge
- E. None of the above Discuss
- 8. Unit testing is
Options- A. running the system with line data by the actual user
- B. making sure that the new programs do in fact process certain transactions according to Specifications
- C. is checking the logic of one or more programs in the candidate system
- D. testing changes made in an existing or a new program
- E. None of the above Discuss
- 9. You create home directories for users Jan and Kim on a Windows NT Server computer. Jan works on a Windows NT Workstation computer. Kim works on a Microsoft Windows for Workgroups computer. After they log on, Jan can access her home directory, but Kim cannot access her home directory. What should you do?
Options- A. Start the Replication service on Kim's Windows for Workgroups computer
- B. Relocate Kim's home directory to her Windows for Workgroups computer
- C. Map a drive on Kim's Windows for Workgroups computer to her home directory on the server
- D. You cannot do this. Home directories can be accessed only by Windows NT computers Discuss
- 10. The person communicating with the manager to identify information needs is the
Options- A. executive vice-president
- B. vice- president of information system
- C. programmer
- D. system analyst
- E. None of the above Discuss
More questions
Correct Answer: converting analog to digital signals
Correct Answer: means of measuring system-development time spent on the project
Correct Answer: both (a) and (c)
Correct Answer: two bits or any even number of bits inverted in a byte during transmission
Correct Answer: 240
Correct Answer: a half-duplex mode
Correct Answer: malfunctioning pick-up rollers
Correct Answer: testing changes made in an existing or a new program
Correct Answer: Map a drive on Kim's Windows for Workgroups computer to her home directory on the server
Correct Answer: system analyst
Comments
There are no comments.More in Computer Science:
Artificial IntelligenceAutomation SystemComputer FundamentalsComputer HardwareDatabase SystemsDigital Computer ElectronicsDisk Operating System (DOS)Electronic PrinciplesLanguage ProcessorsLinuxManagement Information SystemsNetworkingObject Oriented Programming Using C++Operating Systems ConceptsSystem Analysis and DesignUnixWindows 2000 ServerWindows NTProgramming
Copyright ©CuriousTab. All rights reserved.