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MCQ

Q.

Which operation is performed by an interrupt handler?

A

Saving the current state of the system

B

Loading the interrupt handling code and executing it

C

Once done handling, bringing back the system to the original state it was before the interrupt occurred

D

All of the mentioned

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MCQ

1.

Division by zero, accessing a protected or non existent memory address, or attempting to execute a privileged instruction from user mode are all categorized as ________

A

errors

B

exceptions

C

interrupt handlers

D

all of the mentioned

Discussion

MCQ

2.

A ________ is a full duplex connection between a device driver and a user level process.

A

Bus

B

I/O operation

C

Stream

D

Flow

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3.

I/O hardware contains ____________

A

Bus

B

Controller

C

I/O port and its registers

D

All of the mentioned

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4.

Caching ____________

A

holds a copy of the data

B

is fast memory

C

holds the only copy of the data

D

holds output for a device

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5.

The interrupt vector contains ____________

A

the interrupts

B

the memory addresses of specialized interrupt handlers

C

the identifiers of interrupts

D

the device addresses

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