Options: the lock is obtained only after the transaction has processed., the lock is obtained before the transaction has processed., the lock never needs to be obtained., transactions that are best suited are those with a lot of activity.
Options: (A)the window wants to know what cursor it must display for the mouse pointer (B) the mouse is moved over a window (C) when a mouse button is pressed this event is executed (D) a mouse button is released 2
Options: the human aspect of the environment around the workstation as well as the workstation itself, the cost relationship of the workstation versus productivity, the level of involvement the operator has with the workstation, the technology involved in the workstation itself
8.A process of collecting, organizing, storing and otherwise maintaining a complete historical record of programs and other documents used or prepared during the different phases of the system is called
Options: (A)Documentation (B) Document reader (C) Data process (D) None of these
The difference between linear array and a record is
Options: a. An array is suitable for homogeneous data but the data items in a record may have different data type b. In a record, there may not be a natural ordering in opposed to linear array. c. A record form a hierarchical structure but a linear array does not d. All of above