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mariarad [96]
3 years ago
11

A database administrator (DBA) must have a clear understanding of the fundamental business of an organization, be proficient in

the use of selected database management systems, and stay abreast of emerging technologies and new design approaches.A. True.B. False.
Computers and Technology
1 answer:
Blababa [14]3 years ago
7 0

Answer:

The answer to the given question is "True".

Explanation:

In this question, the answer is true because the database administrator is a programmer that manages the database. The DBA knows everything about the database and he also knows how to manage the database of the core business of the organization.

If there are many trades in the organization. So, the DBA has made all fields that are different from each other that is at the forefront of emerging technologies and new approaches to development.

That's why the answer to this question is "True".

 

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A cache has been designed such that it has 512 lines, with each line or block containing 8 words. Identify the line number, tag,
Reptile [31]

Answer:

Given address = 94EA6_{16}

tag = 0 * 94  ( 10010100 )

line = 0 * 1 D 4 ( 111010100 )

word position = 0*6 ( 110 )

Explanation:

using the direct mapping method

Number of lines = 512

block size = 8 words

word offset = log ^{8} _{2}  = 3 bit

index bit = log^{512}_{2}  = 9 bit

Tag = 20 - ( index bit + word offset ) = 20 - ( 3+9) = 8 bit

Given address = 94EA6_{16}

tag = 0 * 94  ( 10010100 )

line = 0 * 1 D 4 ( 111010100 )

word position = 0*6 ( 110 )

8 0
3 years ago
Opinion on sandshrew​
Alex

Answer:Sandshrew is cute

Explanation:

3 0
3 years ago
Modify the WordCount program so it outputs the wordcount for each distinct word in each file. So the output of this DocWordCount
stepladder [879]

Answer and Explanation:

package PackageDemo;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;

import org.apache.hadoop.fs.Path;

import org.apache.hadoop.io.IntWritable;

import org.apache.hadoop.io.LongWritable;

import org.apache.hadoop.io.Text;

import org.apache.hadoop.mapreduce.Job;

import org.apache.hadoop.mapreduce.Mapper;

import org.apache.hadoop.mapreduce.Reducer;

import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;

import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

import org.apache.hadoop.util.GenericOptionsParser;

public class WordCount {

public static void main(String [] args) throws Exception

{

Configuration c=new Configuration();

String[] files=new GenericOptionsParser(c,args).getRemainingArgs();

Path input=new Path(files[0]);

Path output=new Path(files[1]);

Job j=new Job(c,"wordcount");

j.setJarByClass(WordCount.class);

j.setMapperClass(MapForWordCount.class);

j.setReducerClass(ReduceForWordCount.class);

j.setOutputKeyClass(Text.class);

j.setOutputValueClass(IntWritable.class);

FileInputFormat.addInputPath(j, input);

FileOutputFormat.setOutputPath(j, output);

System.exit(j.waitForCompletion(true)?0:1);

}

public static class MapForWordCount extends Mapper<LongWritable, Text, Text, IntWritable>{

public void map(LongWritable key, Text value, Context con) throws IOException, InterruptedException

{

String line = value.toString();

String[] words=line.split(",");

for(String word: words )

{

Text outputKey = new Text(word.toUpperCase().trim());

IntWritable outputValue = new IntWritable(1);

con.write(outputKey, outputValue);

}

}

}

public static class ReduceForWordCount extends Reducer<Text, IntWritable, Text, IntWritable>

{

public void reduce(Text word, Iterable<IntWritable> values, Context con) throws IOException, InterruptedException

{

int sum = 0;

for(IntWritable value : values)

{

sum += value.get();

}

con.write(word, new IntWritable(sum));

}

}

}

8 0
3 years ago
What is the influence of new technology on society?
sweet [91]

Answer:

E. New technology is beneficial but can also be used in a detrimental way.

Explanation:

New technology such as cryptocurrency (powered by blockchain technology) can be regarded as a welcome development that has benefited the society in so many good ways. However, cryptocurrency as a new technology also has disadvantages it presents to the society. One of such negative influence cryptocurrency has is that it can be used for illicit activities such as money laundering, funding terrorism and so on.

So, in summary, we can conclude that:

"New technology is beneficial but can also be used in a detrimental way."

5 0
2 years ago
The Boffo Balloon Company makes helium balloons. Large balloons cost $13.00 a dozen, medium-sized balloons cost $11.00 a dozen,
IceJOKER [234]

Answer:

name = input("Enter customer name: ")

quantity = int(input("Enter quantity: "))

size = input("Enter size [large-medium-small]: ")

if size == "large":

   sales = (quantity / 12) * 13

if size == "medium":

   sales = (quantity / 12) * 11

if size == "small":

   sales = (quantity / 12) * 8.6

   

print(name + " ordered " + str(quantity) + " " + size + " ballons")

print("Total sales is $" + str(sales))

Explanation:

*The code is in Python.

Ask the user to enter name, quantity, and size

Check the size using if structure. Depending on the size, calculate the sales using the given cost for for a dozen.

Print the order information and total sales

4 0
3 years ago
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