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MCQ

The device-status table contains ____________

each I/O device type

each I/O device address

each I/O device state

all of the mentioned

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The _________ present a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.

Devices

Buses

Device drivers

I/O systems

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Windows NT uses a __________ implementation for I/O.

message

draft

secondary memory

cache

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A non blocking system call _________________

halts the execution of the application for an extended time

does not halt the execution of the application

does not block the interrupts

none of the mentioned

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How does the Hardware trigger an interrupt?

Sending signals to CPU through a system bus

Executing a special program called interrupt program

Executing a special program called system program

Executing a special operation called system call

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What is an interrupt vector?

It is an address that is indexed to an interrupt handler

It is a unique device number that is indexed by an address

It is a unique identity given to an interrupt

None of the mentioned

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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