Options: (A)Here data-flow diagram show, how data is processed at different stages in the system. (B) It registers all/ selected activities of a computer system. (C) Technique used to transform raw data into a more useful form. (D) Data is shifted to modern data base management system. 2
What does the show check box in query design window indicate
Options: a. It indicates whether the field is to be used or not
b. It indicates whether the field is to be displayed in query result or not
c. It indicates whether the field names to be displayed in query result or not
d. None of above
Options: (A)Associated with the role of people involved in software process and the activities for which they are responsible. (B) The most effective technique for demonstrating the safety of a system is proof by contradiction. (C) It is concerned with establishing a confidence level in the system that might vary from low to high (D) None of these 23
Which of the following is not true of immediate processing?
Options: It is often used in real-time applications, It can occur with either sequential of direct-access files, It can be used in an airline-reservation system, Transactions are processed shortly after a real-world event occurs
Options: the difference between the sensor input and the absolute sensed parameter., the difference between the controller output and the setting of the manipulated variable., the difference between the control setpoint value and the actual value., All of the above
Before any changes to database structure are attempted one should first:
Options: clearly understand the current structure and contents of the database only., test any changes on a test database only., create a complete backup of the operational database only., All of the above should be done.