Answer Posted / ahmad

drift current is the result of reverse biasing and the
difussing current is rhe result of forward biasing

Define what are the main purposes for which a common-collector amplifier may be used?

1111

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Explain how many mosfet switches are there in dynamic ram?

1044

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how to interface hall effect sensor with 8051 microcontroller?

3923

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What is the difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?

1046

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How is sio2 layer formed in a monolithic ic?

1025

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which modulation will be suitable for transmitting audio file? is there any transformation needed for transmission?

1550

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Define input offset current.

1079

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how to see the MAC address in your server's ARP table?

2109

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what is the wireless access subscriber unit(WASU) and how does it work?

2700

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Define why r-c filters are suitable only for light loads?

1065

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I went to Germany for my masters and stayed there for 1.5 months. Due to personal reasons I came back to india and I want to apply for student visa for USA..will there be any issues?

2661

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For explain what vertical and horizontal plates are provide in a cro?

1002

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How does a signal differ from a wave?

1006

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plz give the question about interview to the post JR.Executive (ATC)

2700

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.We want to compare the performance of a single threaded disk server with a multithreaded 1. Suppose the server takes 25 ms to receive a request for work from client, dispatch the request for processing and actual data request processing when reqd. Data is in main memory. If the reqd. Data is not in the main memory a real disk operation is needed and an additional 75 ms are reqd. On the average. On the average 25% of the clients requests access the disk. During the disk I/O period the thread waits. Assume that there is no other process in system when the server is running. How many requests can the server handle per second if its a)single threaded b)multithreaded

1920

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