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)is executed when a window is becoming visible or is being hidden (B) when a window is being disabled or enabled this event is executed (C) this event is executed when the user switches to another window of the same application (D) when a window receives the keyboard focus this event is executed 2
Which of the following is not a characteristic of a daisy chaining priority control scheme?
Options: priority is programmable, it is relatively easy to add more devices to the chain, the failure of one device may affect other devices on the chain, the number of control lines is independent of the number of devices on the chain