Which of the following is true regarding page Orientation of a Document?
Options: a. Page Orientation can be change at any time
b. Page Orientation of document determines by printer
c. Page Orientation must be set before start typing
d. Page Orientation of a document cannot be changed.
6.In shortest service time first policy, applied on disk scheduling, the disk request is selected
Options: (A)That requires the least movement of disk arm from its current position. (B) That requires the maximum movement of disk arm from its current position. (C) That is recently received. (D) On random. 15
Which one of the following statements most accurately applies to the frequency of a waveform?
Options: The actual frequency of a sine waveform is 1.41 times the working frequency, Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz, The higher the amplitude of a waveform, the higher its frequency, The longer the period of a waveform, the lower its frequency
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