'Disk access time' diaporamas de présentation

Disks

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Operating Systems: Storage: Disks & File Systems

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Operating Systems: Storage: Disks & File Systems

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766 views • 63 slides

The Memory Hierarchy

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Storage

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Principles of Database Management Systems

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512 views • 45 slides

The Memory Hierarchy

The Memory Hierarchy. Topics Storage technologies and trends Locality of reference Caching in the memory hierarchy. class10.ppt. Random-Access Memory (RAM). Key features RAM is packaged as a chip. Basic storage unit is a cell (one bit per cell). Multiple RAM chips form a memory.

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Device Management

(Lecture 7b). Device Management. CS5002 Operating Systems Dr. Jose M. Garrido. Disk Drive Mechanism. Disk Structure. Disk drives are addressed as large 1-dimensional arrays of logical blocks , where the logical block is the smallest unit of transfer.

578 views • 41 slides

Introduction to Input and Output

Introduction to Input and Output. The I/O subsystem provides the mechanism for communication between the CPU and the outside world (I/O devices). Design factors: I/O device characteristics (input, output, storage, etc.).

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Input/Output & System Performance Issues

Input/Output & System Performance Issues. System I/O Connection Structure Types of Buses in the system. I/O Data Transfer Methods. Cache & I/O. I/O Performance Metrics. Magnetic Disk Characteristics. I/O System Modeling Using Queuing Theory. Designing an I/O System & System Performance:

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Input/Output: Organization, Disk Performance, and RAID

Input/Output: Organization, Disk Performance, and RAID. An example I/O performance question:. How long does it take to rip a CD? Why?. I/O Device Examples and Speeds. I/O Speed: bytes transferred per second (from keyboard to Gigabit LAN: 7 orders of magnitude )

519 views • 35 slides

Input/Output: Organization, Disk Performance, and RAID

Input/Output: Organization, Disk Performance, and RAID. An example I/O performance question:. How long does it take to rip a CD? Why?. I/O Device Examples and Speeds. I/O Speed: bytes transferred per second (from keyboard to Gigabit LAN: 7 orders of magnitude )

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CS 345: Topics in Data Warehousing

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Input-output

Input-output. I/O is very much architecture/system dependent I/O requires cooperation between processor that issues I/O command (read, write etc.) buses that provide the interconnection between processor, memory and I/O devices

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Operating Systems {week 16b }

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The Von Neumann Architecture Odds and Ends

The Von Neumann Architecture Odds and Ends. Chapter 5.1-5.2. Von Neumann Architecture. Designing Computers. All computers more or less based on the same basic design, the Von Neumann Architecture !. The Von Neumann Architecture.

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External Searching

External Searching

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