Operating System (OS)
Which of the following is true for machine language.

None of these
Depicting flow of data in a system
Repeated execution of program segments
the language which communicates with the computer using only the binary digits 1 and 0.
A sequence of instructions which, when followed properly, solves a problem

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Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

inquires to see if a terminal has any transaction to send
decides correct alternative by analysing several ones
multiplexes the inputs and updates the memory accordingly
None of these
detects/corrects errors

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Operating System (OS)
The FIFO algorithm

executes first the job with the least processor needs
executes first the job that last entered the queue
None of these
execute first the job that has been in the queue the longest
executes first the job that first entered the queue

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Operating System (OS)
A spooler is a

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

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