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- Question
RS-449/442-A/423-A is
Options- A. a set of physical layer standards developed by EIA and intended to replace RS-232-C.
- B. a check bit appended to an array of binary digits to make the sum of the all the binary digits
- C. a code in which each expression conforms to specific 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 errors is detected
- D. the ratio of the number of data units in error to the total number of data units
- E. None of the above
- Correct Answer
- a set of physical layer standards developed by EIA and intended to replace RS-232-C.
- 1. In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?
Options- A. best fit
- B. first fit
- C. worst fit
- D. buddy
- E. None of the above Discuss
- 2. When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?
Options- A. COPY C:\DOS\COMMAND.COM A:\
- B. ATTRIB C:\*.SYS A:\
- C. XCOPY C:\DOS\*.* A:\
- D. SYS C: A:
- E. None of the above Discuss
- 3. Who invented the first junction transistor?
Options- A. Smith
- B. Gomes
- C. Fisher
- D. Shockley
- E. None of the above Discuss
- 4. Changes made periodically to a system, after its implementation, is known as system
Options- A. analysis
- B. design
- C. development
- D. maintenance
- E. none of the above Discuss
- 5. Which of the following NIS clients returns the name of the NIS server used by the NIS client?
Options- A. ypwhich
- B. ypbind
- C. ypcat
- D. yppoll
- E. None of the above Discuss
- 6. Slack is the calculated time span within which the event must occur:
Options- A. true
- B. false
- C. cannot be said
- D. All of the above
- E. None of the above Discuss
- 7. The online hotel reservation systems having database capabilities are a good example of
Options- A. database management system (DBMS)
- B. marketing information system
- C. manual information system
- D. managerial information system.
- E. None of the above Discuss
- 8. The macro processor must perform
Options- A. recognize macro definitions and macro calls
- B. save the macro definitions
- C. expand macro calls and substitute arguments
- D. All of the above Discuss
- 9. The advantage of a command processor running only built-in commands is:
Options- A. flexibility to the users in running lists of commands by simply collecting them in named batch command files
- B. the command set being common across different hardware configurations
- C. users can create system programs and run them as commands
- D. the processing is much faster than would other-wise be the case when user defined commands are used
- E. None of the above Discuss
- 10. A drum timer is a good example of:
Options- A. an output actuator
- B. an input sensor
- C. a position sensor
- D. a sequence controller
- E. None of the above Discuss
More questions
Correct Answer: best fit
Correct Answer: SYS C: A:
Correct Answer: Shockley
Correct Answer: maintenance
Correct Answer: ypwhich
Correct Answer: true
Correct Answer: managerial information system.
Correct Answer: All of the above
Correct Answer: the command set being common across different hardware configurations
Correct Answer: a sequence controller
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