Computer Organization and Architecture Mcqs

Page No. 20

The technique whereby the DMA controller steals the access cycles of the processor to operate is called __________


aFast conning

✖


bMemory Con

✖


cCycle stealing

✓


dMemory stealing

✖


View Answer Cycle stealing

Can a single DMA controller perform operations on two different disks simultaneously?


aTrue

✓


bFalse

✖


ceither true either false

✖


dnone of the mentioned

✖


View Answer True

The controller is connected to the ____


aProcessor BUS

✖


bSystem BUS

✓


cExternal BUS

✖


dNone of the mentioned

✖


View Answer System BUS

When the R/W bit of the status register of the DMA controller is set to 1.


aRead operation is performed

✓


bWrite operation is performed

✖


cRead & Write operation is performed

✖


dNone of the mentioned

✖



The DMA controller has _______ registers.


a4

✖


b2

✖


c3

✓


d1

✖


View Answer 3

After the completion of the DMA transfer, the processor is notified by __________


aAcknowledge signal

✖


bnterrupt signal

✓


cWMFC signal

✖


dNone of the mentioned

✖


View Answer nterrupt signal

In DMA transfers, the required signals and addresses are given by the __________


aProcessor

✖


bevice drivers

✖


cDMA controllers

✓


dThe program itself

✖


View Answer DMA controllers

The DMA transfers are performed by a control circuit called as __________


aDevice interface

✖


bDMA controller

✓


cData controller

✖


dOverlooker

✖


View Answer DMA controller

The DMA differs from the interrupt mode by __________


aThe involvement of the processor for the operation

✖


bThe method of accessing the I/O devices

✖


cThe amount of data transfer possible

✖


dNone of the mentioned

✓


View Answer None of the mentioned

If two devices A and B contesting for the BUS have ID’s 5 and 6 respectively, which device gets the BUS based on the Distributed arbitration.


aDevice A

✖


bDevice B

✓


cInsufficient information

✖


done of the mentioned

✖


View Answer Device B

Goto Page No.

Page 20 of 74

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan