Operating System (OS)
Interprocess communication

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

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Operating System (OS)
A real time operating system is most likely to be used for which of the following task?

Ensuring that system clock works correctly on server
Controlling access to a shared printer in a network
Managing the access to system files in a laptop computers
Controlling the fuel injection system of an automobile engines

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Operating System (OS)
Memory

is the device where information is stored
is a device that performs a sequence of operations specified by instructions in memory.
is a sequence of instructions
is typically characterized by interactive processing and time-slicing of the CPU
None of these

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