Explain the following functions of I/O controller
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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Explain the following functions of I/O controller each

Transcribed Image Text:These are the following functions of an 1/0 controller:
Interface translation – It includes the connection, voltage supply, protocol enactor, clocking.
Addressing - It is able to process memory locations or addresses for the function of processing.
Multiplexing - It can combine multiple signals over the bus to reduce multiple bus usage.
Buffering - It gives data transfer a boost by preloading data into memory before processing.
Error detection and correction – It can detect errors and correction.
Control of multiple steps - This reduces CPU workload due to 1/0 controller being the one that
processes I/O instructions.
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