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    gregdavenport's Avatar
    gregdavenport Posts: 1, Reputation: 1
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    #1

    Oct 24, 2004, 12:46 PM
    Device drivers
    Hi, I have a few questions related to device drivers and Input/Output:

    Q1: What is a "bus header"? (for example there are USB bus headers and PCI bus headers)

    Q2: Consider the instruction set of a microprocessor - consider the OUT instruction which sends some data over a bus to a specified peripheral - how does the processor know in what format to send the data over the bus, and how to coordinate the transfer?

    Q3: This question relates to "bus drivers" - I have seen that there are PCI drivers and SCSI drivers - how do these control the PCI and SCSI controllers, and how do they interact with the device drivers of the device controllers that are plugged into the SCSI or PCI expansion ports?

    Q4: What is a filesystem driver, and what is its primary purpose?



    Thank you
    Greg
    millieJP's Avatar
    millieJP Posts: 2, Reputation: 1
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    #2

    Feb 1, 2006, 07:29 AM
    Cuando tenía cinco años, vivía en Bethlehem, Pennsylvania. Cada mañana mi mamá me despertaba para ir a la escuela. Tomaba una ducha, conseguía un vestido, me comía el desayuno y me cepillaba los dientes. Después besaba a mi madre y me iba a la parada del autobús que quedaba delante de mi casa. En la parada del autobús yo jugaba con mis amigos hasta que venía el autobús. Me gustaba siempre ir a la escuela porque me gustaba aprender y ver a mis amigos. También me gustaba mi professor que era muy agradable. Aprendíamos matemáticas y deletrear. Luego, nosotros íbamos a la clase de gimnasia, arte, o a la clase de música. Mi clase preferida era la clase de gimnasia porque me gustaba jugar deportes con mis amigos y realmente tuve gusto del professor de gimnasia. Luego, teníamos almuerzo y recreo. Entonces teníamos lectura hasta la hora de ir a la casa. Era siempre triste ir a casa pero sabía que cuando llegara a la casa jugaría con mi pequeña hermana, de modo que siempre era feliz.

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