CS 201

Chandigarh University

Hier vind je de beste samenvattingen om te slagen voor CS 201. Er zijn o.a. samenvattingen, aantekeningen en oefenvragen beschikbaar.

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Presentatie

Architecture and Functions of Input-Output Processors (IOPs)
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18

december 2025

2025/2026
This document explores the architecture and working of Input-Output Processors—dedicated processors designed to manage I/O tasks independently from the CPU. It explains channel programs, Channel Command Words (CCWs), CPU–IOP communication, and how IOPs store and return status information. Key features such as data buffering, interrupt handling, bus arbitration, data conversion, and error handling are discussed. The lecture highlights how IOPs improve system throughput by offloading I/O opera...
hardikmehta
$7.99 Meer Info

Presentatie

Interrupt-Driven I/O and Direct Memory Access (DMA) in Computer Systems
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24

december 2025

2025/2026
This document explains interrupt-driven I/O, where the CPU is notified only when an I/O device is ready, improving efficiency over programmed I/O. It details the steps of interrupt-based I/O processing, including the role of device drivers and interrupt handlers. The second part introduces Direct Memory Access (DMA), which enables high-speed data transfer directly between memory and peripherals without CPU involvement. The lecture covers DMA operations, cycle stealing, burst mode, DMA controller...
hardikmehta
$7.99 Meer Info

Presentatie

Programmed I/O and Polling-Based Data Transfer Techniques
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19

december 2025

2025/2026
This document discusses Programmed I/O, the simplest form of data transfer where the CPU actively checks device status and controls all I/O operations. It explains input and output programmed transfers, device readiness checking using polling, and the busy-wait problem. The lecture also covers the basic I/O commands—control, test, read, and write—and differentiates between memory-mapped and isolated I/O. Programmed I/O is highlighted as a CPU-intensive technique suited for simple, low-speed ...
hardikmehta
$7.99 Meer Info

Presentatie

Understanding Interrupts and CPU Interrupt Handling Mechanisms
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28

december 2025

2025/2026
This document explains the concept of interrupts and their role in improving system responsiveness by temporarily halting CPU execution to address urgent events. It covers hardware and software interrupts, internal and external triggers, and the difference between maskable and non-maskable interrupts. It further describes interrupt priority schemes, the Interrupt Vector Table (IVT), and the steps involved in interrupt handling—from acknowledging the interrupt to executing the ISR and restoring...
hardikmehta
$8.49 Meer Info

Presentatie

"Input/Output Systems: Peripherals, Interfaces, Interrupts, DMA, and I/O Processors"
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23

december 2025

2025/2026
This document provides a comprehensive overview of Input/Output (I/O) organization in computer systems. It covers the role and types of peripheral devices, the functioning of I/O interfaces, and the difference between synchronous and asynchronous data transfer using strobe and handshaking methods. The document explains various I/O transfer modes, including programmed I/O, interrupt-driven I/O, and Direct Memory Access (DMA), highlighting their operations, advantages, limitations, and system-leve...
hardikmehta
$8.49 Meer Info