单选题 A program becomes a ( ) when it is selected by the operating system and brought to the hold state.
A. job
B. process
C. deadlock
D. partition
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单选题 Every process is a ( ).
A. job
B. program
C. partition
D. a and b
单选题 The ( ) scheduler creates a process from a job and changes a process back to a job.
A. job
B. process
C. virtual
D. queue
单选题 The ()scheduler moves a process from one process state to another.
A. job
B. process
C. virtual
D. queue
单选题 To prevent (), an operating system can put resource restrictions on processes.
A. starvation
B. synchronization
C. paging
D. deadlock