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Operating System (OS)

Operating System (OS)
In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into

None of these
periods
sectors
zones
groups

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Operating System (OS)
When a peripheral device needs immediate attention from the operating system, it generates a(n)

Page file
Interrupt
Stack
Spool

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Operating System (OS)
In which of the storage placement strategies a program is placed in the largest available hole in the main memory?

None of these
best fit
worst fit
first fit
buddy

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Operating System (OS)
The working set theory of programming behaviour of processes running within an operating system involves

the collection of pages that a process accesses
disk scheduling mechanisms
coalescing holes in memory
None of these
assigning the CPU to processes

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Operating System (OS)
Interprocess communication

is usually done via disk drives
allows processes to synchronize activity
is required for all processes
is never necessary,
None of these

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Operating System (OS)
Block caches or buffer caches are used

to speed up main memory read operation
None of these
to increase the capacity of the main memory
to handle interrupts
to improve disk performance

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