Wednesday, February 13, 2008

How To Dress for a Job Interview

The following list should give you a good idea of how to dress for a job interview :

Suit: A conservative, two-piece dark Grey or a dark blue business suit would be the ideal suit to wear on the day of your job interview.

Shirt: A white, long-sleeved dress shirt that is neatly pressed and has a good fit is recommendable.

Tie: Go for a plain colored, non-distracting, conservative dark blue or dark red necktie made of 100% pure silk.

Tie accessories: A classic silver tie bar ensures that your tie is held in place during the interview. Without one, you often end up adjusting your tie several times during the interview, which will make you look nervous.

Shoes: Clean and polished conservative dress shoes, black lace-ups if possible, would be your best choice.

Socks: Dark socks, black if possible, would be ideally suited.

Belt: The belt should match the color of your shoes, so go with a black one if possible

Hair: Make sure that you get a well-groomed hairstyle before the interview. Be aware that short always fares best in interviews.

Beard: A beard needs to be shaved off.

Mustache: Mustaches are a possible negative, but if you must, then at least make sure it is neat and trimmed.

Fingernails: Ensure that they are clean and trimmed.

Rings: Wedding or college rings are generally acceptable but other rings are not.

Earrings & piercings: Both earrings and visible body piercings should be taken out on the day of the interview.

Body odor & fresh breath: Make sure that you do not smell badly and chew some gum before the interview, yet never during the interview.

Perfume & cologne: Keep perfume and cologne to a minimum.

Briefcase: Take along a briefcase with a notepad and a pen for any notes you may have to take during or after the interview.

Realizing that this list is quite exhaustive, I still think that you should try to make effort to ensure your job interview attire resembles the one above. Remember, it is almost always better to be higher than the standard than lower. In the end, you are interviewing for your future so every additional effort that sets you apart from your competitors will benefit you eventually.

Saturday, February 9, 2008

MAINFRAME COMPUTER

Tt refers to a class of ultra-reliable medium and large-scale servers designed for enterprise-class and carrier-class operations.

The first mainframe vendors were Burroughs, Control Data, GE, Honeywell, IBM, NCR, RCA and Univac, otherwise known as "IBM and the Seven Dwarfs." After GE and RCA's computer divisions were absorbed by Honeywell and Univac respectively, the mainframers were known as "IBM and the BUNCH."

The Vendors

For decades, IBM has been the dominant vendor in the mainframe business. Although many tried to compete by offering IBM-compatible mainframes, only Amdahl (Fujitsu) has remained as a competitor in this arena (see IBM-compatible mainframe). Unisys, Sun and others also make mainframe-class machines that typically run under a version of Unix or Linux.

There Is a Difference

One might wonder why mainframes cost a million dollars or more when the raw gigahertz (GHz) rating of their CPUs is not any higher than a PC costing 1,000 times less. Quite often in fact, the ratings are lower. Here are the reasons.

Lots of Processors, Memory and Channels

Mainframes support symmetric multiprocessing (SMP) with several dozen central processors in one system. They are highly scalable. CPUs can be added to a system, and systems can be added in clusters. Built with multiple ports into high-speed caches and main memory, a mainframe can address thousands of gigabytes of RAM. They connect to high-speed disk subsystems that can hold terabytes of data.

Enormous Throughput

A mainframe provides exceptional throughput by offloading its input/output processing to a peripheral channel, which is a computer itself. Mainframes can support hundreds of channels, and additional processors may act as I/O traffic cops that handle exceptions (channel busy, channel failure, etc.).

All these subsystems handle the transaction overhead, freeing the CPU to do real "data processing" such as computing balances in customer records and subtracting amounts from inventories, the purpose of the computer in the first place.

Super Reliable

Mainframe operating systems are generally rock solid because a lot of circuitry is designed to detect and correct errors. Every subsystem may be conPublish Posttinuously monitored for potential failure, in some cases even triggering a list of parts to be replaced at the next scheduled maintenance. As a result, mainframes are incredibly reliable with mean time between failure (MTBF) up to 20 years!

JAVA DATABASE

/*this program is for access database with jdbc odbc driver database1
and database with 3 fields*/

import java.awt.*;
import java.sql.*;
import javax.swing.*;
public class db{
public static void main(String[] arguments) {
PreparedStatement ps;
ResultSet rs;
int id;
String s;
Connection conn;
Statement st;
String data = "jdbc:odbc:database1";
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
conn = DriverManager.getConnection(data, "", "");
System.out.print("\nConnection successful");
s= JOptionPane.showInputDialog(null,"Enter ID : ");
id=Integer.parseInt(s);

String name= JOptionPane.showInputDialog(null,"Enter NAME : ");


s= JOptionPane.showInputDialog(null,"Enter MARK : ");
int mark=Integer.parseInt(s);

st=conn.createStatement();
ps=conn.Statement("select * from sinfo where id = "+id);
rs=st.executeQuery("select * from sinfo where id = "+id);
while(rs.next())
{
System.out.print("\n\nID : "+rs.getString(1)+"\tName : "+rs.getString(2)+"\tMarks : "+rs.getString(3));
}
rs=st.executeQuery("insert into sinfo(id,name,mark) values ("+id+", '"+name+"', "+mark+")");
}
catch(Exception e)
{
System.out.print(e);
}

}
}

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