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KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________.

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Präsentation zum Thema: "KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________."—  Präsentation transkript:

1 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

2 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Betriebssystemschichten

3 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Scheduling

4 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

5 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

6 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

7 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

8 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Non-preemptives Scheduling First Come First Serve (FCFS) Shortest Job First (SJF) T m =( ):3=13,67 T m =(3+7+17):3=9,0

9 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

10 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

11 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Speicherverwaltung

12 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Begriffe Adressen / Adressraum Logische Adressen / Logischer Adressraum Physische Adressen / Phys. Adressraum Virtueller Adressraum Page / Seite / Segment Selector / Descriptor Swapping / Paging / Auslagerung Memory Management / MMU

13 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Speicher Hauptspeicher Phys. Speicher Arbeitsspeicher Phys. Speicher Virtueller Speicher Cache Speicher 1. Level 2. Level Plattencache

14 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

15 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

16 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

17 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Speicher

18 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Speicher ROM PROM EPROM EEPROM RAM DRAM SRAM VRAM Magnet. Speichermedien Diskette Festplatte Magnetbänder Optische Medien CD-ROM Magneto-Optisch

19 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Datenspeicher Bandlaufwerke Festplatten (DASD – „direct access storage device“ (SCSI – intern - extern ) Disk farms CD / MO –Laufwerke CD-Server Juke-Boxen Daten im Netzwerk SAS (Server Attached Storage)

20 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib Interrupt

21 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

22 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib

23 KA – Rechnerarchitektur II ____________________________________________________________________________________________ ____________________________________________________________________________________________ KA.R Juli-01 Prof. G. Staib


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