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MCQ

If one or more devices use a common set of wires to communicate with the computer system, the connection is called ______

CPU

Monitor

Wirefull

Bus

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MCQ

An asynchronous call ____________

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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MCQ

In a programmed input/output(PIO) __________

the CPU uses polling to watch the control bit constantly, looping to see if a device is ready

the CPU writes one data byte to the data register and sets a bit in control register to show that a byte is available

the CPU receives an interrupt when the device is ready for the next byte

the CPU runs a user written code and does accordingly

Discussion

MCQ

Which buffer holds the output for a device?

spool

output

status

magic

Discussion

MCQ

What is an ISR?

Information Service Request

Interrupt Service Request

Interrupt Service Routine

Information Service Routine

Discussion

MCQ

The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.

interrupt request line

interrupt bus

interrupt receive line

interrupt sense line

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Banking

Engineering

General

Medical

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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

Report Error

Community Discussion

Similar Questions

Report Error

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Report Error

Report Error

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