Sunday, June 3, 2007

Question 34

Which of these descriptions of job processing describes real-time processing?

a) Although a single computer is simultaneously shared by multiple users, processing is made to look as though each user were using his or her own computer.
b) Processing is performed at the moment data is generated. As constraints on response time are severe, programs are made to reside in main memory so that they can be executed at once.
c) The processing procedure from entering the data to obtaining the results are predetermined, and the processes are automatically executed according to a set of descriptions to be executed by the computer.
d) Multiple PCs and printers are connected on a LAN so that data can be shared and exchanged between them, and so that printers can be shared.


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