Read the following statement Multi-processing operation permits highly efficient parallel processing at several levels.Multi processing involves use of several processing units jointly on a common program and severally on different programs.In multi-processing the assignment of facilities to tasks, loading of programs and monitoring of I/O activity is taken care of by operating system. Which of the above are correct?

Read the following statement Multi-processing operation permits highly

1.	Read the following statement Multi-processing operation permits highly efficient parallel processing at several levels.Multi processing involves use of several processing units jointly on a common program and severally on different programs.In multi-processing the assignment of facilities to tasks, loading of programs and monitoring of I/O activity is taken care of by operating system. Which of the above are correct?
A.	All
B.	1 and 2 only
C.	1 and 3 only
D.	2 and 3 only
Answer» B. 1 and 2 only

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