Input Output Modes of Transfer

Input Output Modes of Transfer

University

15 Qs

quiz-placeholder

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Input Output Modes of Transfer

Input Output Modes of Transfer

Assessment

Quiz

Computers

University

Medium

Created by

Ankur Chaturvedi

Used 40+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Status of a IO device is checked by CPU in which mode of transfer?

Interrupt IO

Programmed IO

DMA

All of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When CPU invokes a subroutine it performs following functions:

Pushes updated PC content(return address) on stack

Loads PC with starting address of subroutine

Loads PC with starting address of ALU

Both 1 and 2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technique is used that identifies the highest priority resource by means of software.

Daisy chaining

Polling

Priority

Chaining

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two ways in which computer buses can communicate with memory in case of I/O devices by using:

Separate buses for memory and I/O device

Common bus for memory and I/O device

Both 1 and 2

none of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Advantages of isolated I/O are:

Commonly usable

Small number of I/O instructions

Both 1 and 2

None of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Same control lines for both memory and I/O devices in:

Memory mapped IO

Isolated I/O

Separate I/O

Optimum I/O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who determine the address of I/O interface.

Register select

Chip select

Both 1 and 2

None of these

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