Operating System (OS)
Two basic types of operating systems are:

batch and timesharing
sequential and direct
sequential and realtime
batch and interactive
None of these

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Operating System (OS)
Which of the following is not true about documentation?

None of these
Documentation, of a system, should be as clear and direct as possible
Documentation increases the maintenance time and cost
Documentation gives better understanding of the problem
All 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?

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

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Operating System (OS)
A spooler is a

Message sent from the printer to the operating system when a print job is completed
Location in memory that maintains the contents of documents until it prints
Program that coordinates the print job that are waiting to process
Queue of print job that are waiting to print

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Operating System (OS)
Uniform Symbols Table

None of these
a permanent table which lists all key words and special symbols of the language in symbolic form
contains all constants in the program
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

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