Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

Fewer people, less management and shorter transition in learning time
Improved debugging capability, and superior documentation
All of these
None of these
A greater degree of machine independence

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Operating System (OS)
The CPU, after receiving an interrupt from an I/O device

branches off to the interrupt service routine immediately
None of these
halts for a predetermined time
hands over control of address bus and data bus to the interrupting device
branches off to the interrupt service routine after completion of the current instruction

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

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

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