The necessary conditions needed before deadlock can occur?
Options: Â No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
B. Â Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
C. Â Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
D. Â Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
What are reasons for creating OSPF in a hierarchical design? To decrease routing overhead To speed up convergence To confine network instability to single areas of the network To make configuring OSPF easier
Options: (A)Machine-learning involving different techniques (B) The learning algorithmic analyzes the examples on a systematic basis and makes incremental adjustments to the theory that is learned 120 | (C) Learning by generalizing from examples (D) None of these 4
The refresh-vector CRT uses which of the following techniques?
Options: The beam constantly travels across the screen to turn on/off a series of pixels., Makes changes on the image by increasing the anode voltage., Uses an electron gun to continuously flood the surface of the tube., Creates images on the screen by scanning straight-line vectors between selected points.
Options: A) The name of companies that made computers
B) The name of product a company gives to identify its product in market
C) A name of class to indicate all similar products from different companies
D) All 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
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