Multiple Choice questions & answers are available for a Computer Science students to clear GAT, NTS, ECAT exams, various technical interview, competitive examination, and other entrance exam. Input Output (IO) System is the important Topic for a computer science and technical students and one should practice these Mcqs to grasp good knowledge on the topic.
Returns immediately, without waiting for the I/O to complete
Does not return immediately and waits for the I/O to complete
Consumes a lot of time
Is too slow
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Cope with device speed mismatch
Cope with device transfer size mismatch
Maintain copy semantics
All of the mentioned
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Same as
Not the same as
All of the mentioned
None of the mentioned
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Holds a copy of the data
Is fast memory
Holds the only copy of the data
Holds output for a device
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Holds a copy of the data
Is fast memory
Holds the only copy of the data
Holds output for a device
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CPU
OS
Kernel
Shell
Process table
Open file table
Close file table
All of the mentioned
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Message – passing
Draft – passing
Secondary memory
Cache
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Bus
I/O operation
Stream
Flow
Major factor
Minor factor
Does not matter
None of the mentioned
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Interrupt driven I/O is more efficient than programmed I/O
Programmed I/O is more efficient than interrupt driven I/O
Both programmed and interrupt driven I/O are equally efficient
None of the mentioned
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