46.
In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into

47.
The total time to prepare a disk drive mechanism for a block of data to be read from it is

48.
Part of a program where the shared memory is accessed and which should be executed invisibly is called

49.
Indicate which, of the following, is not true about Nassi-Shneiderman charts

50.
What is the name of the operating system that reads and reacts in terms of actual time.

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