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

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

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Operating System (OS)
Addressing modes

All of these
None of these
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
defines the fundamental method of determining effective operand addresses

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Operating System (OS)
Which of the following refers to the associative memory?

the address of the data is supplied by the users
there is no need for an address i.e. the data is used as an address
the data are accessed sequentially
the address of the data is generated by the CPU
None of these

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