Suppose we had a block transfer from an I/O device to memory. The block consists of 1024 words and one word can be transferred to/from memory at a time. a. What is the number of interrupts needed to transfer a block using DMA? b. What is the number of interrupts needed to transfer a block using interrupt driven I/O? c. What is the number of interrupts needed to transfer a block using programmed I/O’?
Suppose we had a block transfer from an I/O device to memory. The block consists of 1024 words and one word can be transferred to/from memory at a time. a. What is the number of interrupts needed to transfer a block using DMA? b. What is the number of interrupts needed to transfer a block using interrupt driven I/O? c. What is the number of interrupts needed to transfer a block using programmed I/O’?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Suppose we had a block transfer from an I/O device to memory. The block consists of 1024 words and one word can be transferred to/from memory at a time.
a. What is the number of interrupts needed to transfer a block using DMA?
b. What is the number of interrupts needed to transfer a block using interrupt driven I/O?
c. What is the number of interrupts needed to transfer a block using
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