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- Question
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?
Options- A. chmod 761 note
- B. chmod 671 note
- C. chmod 167 note
- D. chmod 4=rwx, g=rw note
- E. None of the above
- Correct Answer
- chmod 761 note
- 1. Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current?
Options- A. 0.3 A
- B. 0.2 A
- C. 0.4 A
- D. 0.6 A
- E. None of the above Discuss
- 2. The functional difference between SR flip-flop and JK flip-flop is that
Options- A. JK flip-flop is faster than SR flip-flop
- B. JK flip-flop has a feed back path
- C. JK flip-flop accepts both inputs 1
- D. JK flip-flop does not require external clock
- E. None of the above Discuss
- 3. The field that investigates the mechanics of human intelligence is:
Options- A. history
- B. cognitive science
- C. psychology
- D. sociology
- E. None of the above Discuss
- 4. Which of the following is a graphical input device?
Options- A. light pen
- B. keyboard
- C. mouse
- D. Track ball
- E. None of the above Discuss
- 5. In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.
Options- A. Network database
- B. Relational database
- C. Distributed database
- D. Hierarchical database
- E. None of the above Discuss
- 6. An IRQ allow interface cards to:
Options- A. Interrupt the CPU to request service
- B. Pass data to the CPU to be processed
- C. Pass data from one card to another
- D. Pass data to the computers memory
- E. None of the above Discuss
- 7. Indicate whether the statement LDA B is a statement, in
Options- A. Machine language
- B. Assembly language
- C. High level language
- D. All of the above Discuss
- 8. The "walk-through" method of programming a robot involves:
Options- A. walking through your suggested procedure with your supervisor prior to programming
- B. physically moving the robot through all the motions it is to repeat
- C. moving the robot from one location to another
- D. All of the above.
- E. None of the above Discuss
- 9. Computing systems most often facilitate planning because they:
Options- A. make it possible to take into account many possibilities in an uncertain situation
- B. make it possible to solve complex problems
- C. enable an appropriate data processing system to provide answers quickly
- D. All of the above
- E. None of the above Discuss
- 10. The background and experience of analyst include;
Options- A. a background in systems theory and organization behavior
- B. familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model building, and production control.
- C. competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages.
- D. All of the above
- E. None of the above Discuss
More questions
Correct Answer: 0.2 A
Correct Answer: JK flip-flop accepts both inputs 1
Correct Answer: cognitive science
Correct Answer: light pen
Correct Answer: Hierarchical database
Correct Answer: Interrupt the CPU to request service
Correct Answer: Assembly language
Correct Answer: physically moving the robot through all the motions it is to repeat
Correct Answer: make it possible to take into account many possibilities in an uncertain situation
Correct Answer: All of the above
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