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Welcome to the Input Output Organization MCQs Page

Dive deep into the fascinating world of Input Output Organization with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Input Output Organization, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of Input Output Organization, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Computer Architecture.

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Check out the MCQs below to embark on an enriching journey through Input Output Organization. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Input Output Organization. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Input Output Organization MCQs | Page 1 of 6

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Q1.
In memory-mapped I/O…

a.

The I/O devices and the memory share the same address space

b.

The I/O devices have a seperate address space

c.

The memory and I/O devices have an associated address space

d.

A part of the memory is specifically set aside for the I/O operation

Discuss
Answer: (a).The I/O devices and the memory share the same address space
Q2.
The usual BUS structure used to connect the I/O devices is

a.

Star BUS structure

b.

Multiple BUS structure

c.

Single BUS structure

d.

Node to Node BUS structure

Discuss
Answer: (c).Single BUS structure
Q3.
The advantage of I/O mapped devices to memory mapped is

a.

The former offers faster transfer of data

b.

The devices connected using I/O mapping have a bigger buffer space

c.

The devices have to deal with fewer address lines

d.

No advantage as such

Discuss
Answer: (c).The devices have to deal with fewer address lines
Q4.
The system is notified of a read or write operation by

a.

Appending an extra bit of the address

b.

Enabling the read or write bits of the devices

c.

Raising an appropriate interrupt signal

d.

Sending a special signal along the BUS

Discuss
Answer: (d).Sending a special signal along the BUS
Q5.
To overcome the lag in the operating speeds of the I/O device and the processor we use

a.

Buffer spaces

b.

Status flags

c.

Interrupt signals

d.

Exceptions

Discuss
Answer: (b).Status flags
Q6.
The method of accessing the I/O devices by repeatedly checking the status flags is

a.

Program-controlled I/O

b.

Memory-mapped I/O

c.

I/O mapped

d.

None of the above

Discuss
Answer: (a).Program-controlled I/O
Q7.
The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is

a.

Exceptions

b.

Signal handling

c.

Interrupts

d.

DMA

Discuss
Answer: (c).Interrupts
Q8.
The method which offers higher speeds of I/O transfers is

a.

Interrupts

b.

Memory mapping

c.

Program-controlled I/O

d.

DMA

Discuss
Answer: (d).DMA
Q9.
The process where in the processor constantly checks the status flags is called as

a.

Polling

b.

Inspection

c.

Reviewing

d.

Echoing

Discuss
Answer: (a).Polling
Q10.
The interrupt-request line is a part of the

a.

Data line

b.

Control line

c.

Address line

d.

None of the above

Discuss
Answer: (b).Control line
Page 1 of 6

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