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TCS NQT Input/Output Quiz- 1

Question 1

Time: 00:00:00
Which one of the following connects the high-speed high-bandwidth device to memory subsystem and CPU ?

expansion bus

expansion bus

PCI bus

PCI bus

SCSI bus

SCSI bus

none of the mentioned

none of the mentioned

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Question 2

Time: 00:00:00
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

devices

buses

buses

device drivers

device drivers

I/O systems

I/O systems

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Question 3

Time: 00:00:00
When device A has a cable that plugs into device B, and device B has a cable that plugs into device C and device C plugs into a port on the computer, this arrangement is called a _________.

port

port

daisy chain

daisy chain

bus

bus

cable

cable

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Question 4

Time: 00:00:00
The _________ determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.

interrupt request line

interrupt request line

device driver

device driver

interrupt handler

interrupt handler

All of these

All of these

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Question 5

Time: 00:00:00
The ______ register is read by the host to get input.

flow in

flow in

flow out

flow out

data in

data in

data out

data out

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Question 6

Time: 00:00:00
The ______ register is written by the host to send output.

status

status

control

control

data in

data in

data out

data out

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Question 7

Time: 00:00:00
The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.

interrupt request line

interrupt request line

interrupt bus

interrupt bus

interrupt receive line

interrupt receive line

interrupt sense line

interrupt sense line

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Question 8

Time: 00:00:00
The _________ are reserved for events such as unrecoverable memory errors.

nonmaskable interrupts

nonmaskable interrupts

blocked interrupts

blocked interrupts

maskable interrupts

maskable interrupts

None of these

None of these

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Question 9

Time: 00:00:00
The hardware mechanism that allows a device to notify the CPU is called _______.

polling

polling

interrupt

interrupt

driver

driver

controlling

controlling

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Question 10

Time: 00:00:00
Spooling :

holds a copy of the data

holds a copy of the data

is fast memory

is fast memory

holds the only copy of the data

holds the only copy of the data

holds output for a device

holds output for a device

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