Operating System (OS)
An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as

label
literal
procedure name
macro
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?

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

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