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ВОРОТА | GATE-CS-2002 | Вопрос 46

Какая комбинация следующих функций будет достаточной для характеристики ОС как многопрограммной ОС?

(a) More than one program may be loaded into main memory 
   at the same time for execution. 
(b) If a program waits for certain events such as I/O, 
   another program is immediately scheduled for execution. 
(c) If the execution of program terminates, another program 
   is immediately scheduled for execution. 

(А)
(Б) а и б
(С) а и с
(D) а, б и в

Ответ: (Б)
Объяснение:

(a) More than one program may be loaded into main memory 
   at the same time for execution. 
True: Only done in a multiprogrammed OS, not in single
       programmed OS

(b) If a program waits for certain events such as I/O, 
   another program is immediately scheduled for execution.
True: Only done in a multiprogrammed OS, not in single
       programmed OS
 
(c) If the execution of program terminates, another program 
   is immediately scheduled for execution. 
False: Done in both Multiprogrammed and single
       programmed OSs

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ВОРОТА | GATE-CS-2002 | Вопрос 46

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