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Alexus [3.1K]
3 years ago
9

Derek is working at the help desk when he receives a call from a client about an issue with the company's email. The customer is

very upset about the email issue. He is complaining about the email service and the IT department in general.
Computers and Technology
1 answer:
jeka57 [31]3 years ago
7 0

Answer:

Give the customer time to express his/her anger and then restart the conversation.

Explanation:

A person working as a help desk executive is meant to be equipped with customer service skills and experience. They are the mediator between the customers and the actual service providers in a company.

A good help desk executive should have good communication skills, they should have the ability to diffuse tension which it needed in this context.

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Research the disadvantages of the computer and explain them.​
lisabon 2012 [21]

Answer:

Too much sitting-affects the back and makes our muscles tight

Carpal tunnel and eye strain-moving your hand from your keyboard to a mouse and typing are all repetitive and can cause injuries

Short attention span and too much multitasking-As you use a computer and the Internet and get immediate answers to your questions and requests, you become accustomed to getting that quick dopamine fix. You can become easily frustrated when something doesn't work or is not answered in a timely matter.

3 0
3 years ago
Given the number of rows and the number of columns, write nested loops to print a rectangle. (PYTHON)
Allushta [10]

Answer:

Explanation:

Please see the attached picture for help.

6 0
3 years ago
Read 2 more answers
For this problem, you will write a function standard_deviation that takes a list whose elements are numbers (they may be floats
Evgesh-ka [11]

Answer:

  1. import math  
  2. def standard_deviation(aList):
  3.    sum = 0
  4.    for x in aList:
  5.        sum += x  
  6.    
  7.    mean = sum / float(len(aList))
  8.    sumDe = 0
  9.    for x in aList:
  10.        sumDe += (x - mean) * (x - mean)
  11.    
  12.    variance = sumDe / float(len(aList))
  13.    SD = math.sqrt(variance)
  14.    return SD  
  15. print(standard_deviation([3,6, 7, 9, 12, 17]))

Explanation:

The solution code is written in Python 3.

Firstly, we need to import math module (Line 1).

Next, create a function standard_deviation that takes one input parameter, which is a list (Line 3). In the function, calculate the mean for the value in the input list (Line 4-8). Next, use the mean to calculate the variance (Line 10-15). Next, use sqrt method from math module to get the square root of variance and this will result in standard deviation (Line 16). At last, return the standard deviation (Line 18).

We can test the function using a sample list (Line 20) and we shall get 4.509249752822894

If we pass an empty list, a ZeroDivisionError exception will be raised.

3 0
3 years ago
What are Operating Systems?
horrorfan [7]

Answer:

the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.

5 0
2 years ago
Research 3 distributions that utilize the big data file systems approaches, and summarize the characteristics and provided funct
OlgaM077 [116]

Answer:

Explanation:

1: The three most popular data systems that make use of Big Data file systems approach are:

The HDFS (Hadoop Distributed File System), Apache Spark, and Quantcast File System(QFS).

HDFS is the most popular among these and it makes use of the MapReduce algorithm to perform the data management tasks. It can highly tolerate faults and can run on low-cost hardware. It was written in Java and it is an open-source software.

Apache Spark makes use of Resilient Distributed Data (RDD) protocol. It is much faster and lighter than the HDFS and it can be programmed using a variety of languages such as Java, Scala, Python, etc. Its main advantage over HDFS is that it is highly scalable.

While QFS was developed as an alternative to the HDFS and it is also highly fault-tolerant and with space efficient. It makes use of the Reed-Solomon Error Correction technique to perform the task of data management.

2: The NewSQL databases were developed as a solution to the scalability challenges of the monolithic SQL databases. They were designed to allow multiple nodes in the context of an SQL database without affecting the replication architecture. It worked really well during the starting years of the cloud technology. Some of the databases that make use of New SQL technology are Vitess, Citus, etc.

Vitess was developed as an automatic sharding solution to the MySQL. Every MySQL instance acts as a shard of the overall database and each of these instances uses standard MySQL master-slave replication to ensure higher availability.

While, Citus is a PostgreSQL equivalent of the Vitess. It ensures transparent sharding due to which it accounts for horizontal write scalability to PostgreSQL deployments.

NoSQL database technology was developed to provide a mechanism for the storage and retrieval of data that is modeled in a way other than the tabular relations used in the traditional databases (RDBMS). The most popular database that makes use of the NoSQL technology is MongoDB. It functions as a cross-platform document-oriented database. It is known for its ability to provide high availability of replica sets. A replica set is nothing but a bundle of two or more copies of the data

3 0
3 years ago
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