Operating System (OS)
Which table is a permanent database that has an entry for each terminal symbol.

Identifier table
Reductions
Terminal table
None of these
Literal table

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Operating System (OS)
Addressing modes

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
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
All of these
None of these

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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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