Operating System Programming and Technical

Q. Explain the concept of the batched operating systems?

A. In batched operating system the users gives their jobs to the operator who sorts the programs according to their requirements and executes them. This is time consuming but makes the CPU busy all the time

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Operating System Other Question
Q. What are local and global page replacements?

A. Local replacement means that an incoming page is brought in only to the relevant process' address
space. Global replacement policy allows any page frame from any process to be replaced. The latter
is applicable to variable partitions model only. Q. What is SCSI?

A. SCSI - Small computer systems interface is a type of interface used for computer components such as hard drives, optical drives, scanners and tape drives. It is a competing technology to standard IDE (Integrated Drive Electronics).