An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is
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)One system is designed as the system controller and has responsibility for managing the execution of other subsystems. (B) Each system is named as in attributebased identification and associated with one or more change requests. (C) An object class inheritance diagram, how entities have common characteristics. (D) The objective of this software development is zero-defect software. 13
Options: running the system with line data by the actual user, making sure that the new programs do in fact process certain transactions according to Specifications, is checking the logic of one or more programs in the candidate system, testing changes made in an existing or a new program
Options: (A)A compact data storage device made of thin wafers of garnet (a semiconductor material) in a magnetic field. (B) Nonvolatile memory (C) Data contained in them is not lost when the power turned off (D) All are true 14