Enlist some filename manipulation commands in unix.

1156

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Mention what is the production process in sap?

1017

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How to enable or disable the microsoft windows firewall?

997

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package MYCALC; use Exporter; our @EXPORT = (); our @ISA = qw(Exporter); our @EXPORT_OK = qw(addition multi); our %EXPORT_TAGS = (DEFAULT => [qw(&addition)],Both => [qw(&addition & +multi)]); sub addition { return $_[0] + $_[1]; } sub multi { return $_[0] * $_[1]; } 1; Program: use strict; use warnings; my @list = qw (2 2); use Module qw(:DEFAULT); print addition(@list),"\n"; Above coding is my module MYCALC and the program which using this module, I have not exported any function using @EXPORT, but I have used the DEFAULT in %EXPORT_TAGS with the function addition, when I call this function from the main it says the error as,

2670

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Explain the concept of real-time operating systems?

1005

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Coverage of 25mm.thick ratio of 1:4 cement mortar?

1895

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Specify the port number for dns?

352

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How to Get the time and date in Universal Time ?

1690

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Explain the difference between a canyon, gorge, and valley?

775

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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

1930

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What are pure components?

345

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What is alpha testing?

1132

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Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1346

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please can any one send me BHEL ECE sample papers

2217

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Can private virtual methods be overridden in c#.net?

895

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