information technology please help​

Information Technology Please Help

Answers

Answer 1

Answer:

Read Technical Books. To improve your technical skills and knowledge, it's best to read technical books and journals. ...

Browse Online Tutorials. ...

Build-up online profile. ...

Learn new Tools. ...

Implement what you learned. ...

Enrich your skillset. ...

Try-out and Apply.


Related Questions

Choose all that Apply: Which of the following steps should be performed by the CIS for creating a part dispatch for systemboard through Tech Direct?
a) Enter the customer's contact and email address into the primary contact fields when requesting a systemboard through TechDirect
b) Logging fusion ticket to request DPK via DDL
c) Access the customer's DDL account to retrieve DPK and activate the os for the customer
d) Verify the customer email address

Answers

Answer:

The steps that should be performed by the CIS for creating a part dispatch for system board through TechDirect are:

a) Enter the customer's contact and email address into the primary contact fields when requesting a system board through TechDirect

b) Logging fusion ticket to request DPK via DDL

c) Access the customer's DDL account to retrieve DPK and activate the os for the customer

d) Verify the customer email address

Explanation:

The four steps given above must be performed in the CIS if you want to create a part dispatch for the system board through TechDirect.  TechDirect is a support system that enables one to manage all Dell technologies from a single location. After creating the part dispatch, the customer's contact and email address are entered into the primary contact fields to enable the verification of the customer's email address  through the TechDirect.

Many companies possess valuable information they want to guard closely (ex. new chip design, competition plans, legal documents). Personal computer hard disks these days are full of important photos, videos, and movies. As more and more information is stored in computer systems, the need to protect it is becoming increasingly important. Which of the following statements is incorrect with respect to Security?
a. security has many facets; three of the more important ones are: the nature of the threats, the nature of intruders, and cryptography
b. data integrity means that unauthorized users should not be able to modify any data without the owner's permission
c. a common category of intruders are driven by determined attempts to make money; for example: bank programmers attempting to steal from the bank they work for
d. in addition to threats caused by malicious users, data can be lost by accident; for example: rats gnawing backup tapes

Answers

Answer: D. in addition to threats caused by malicious users, data can be lost by accident; for example: rats gnawing backup tapes

Explanation:

Data security is essential to protecting unwanted people from having access to ones data, malicious attack should also be prevented and unusual behavior should be monitored.

Data security has many facets such as threat nature, the nature of intruders, and cryptography. Furthermore, data integrity means that unauthorized users should not be able to modify any data without the owner's permission. Also, the statement that a common category of intruders are driven by determined attempts to make money; for example: bank programmers attempting to steal from the bank they work for is correct.

It should be no noted that rats gnawing backup tapes cannot prevent data loss. Therefore, the correct option is D

Una persona decide comprar un número determinado de quintales de azúcar, ayúdele a presentar el precio de venta al público por libra, considerando un 25% de utilidad por cada quintal.

Answers

I need help with this problem also %


Please help us

Trace the evaluation of the following expressions, and give their resulting values. Make sure to give a value of the appropriate type (such as including a .0 at the end of a double or quotes around a String).
4 + 1 + 9 + "." + (-3 + 10) + 11 / 3
8 + 6 * -2 + 4 + "0" + (2 + 5)
1 + 1 + "8 - 2" + (8 - 2) + 1 + 1
5 + 2 + "(1 + 1)" + 4 + 2 * 3
"1" + 2 + 3 + "4" + 5 * 6 + "7" + (8 + 9)

Answers

Answer:

[tex](a)\ 14"."43[/tex]

[tex](b)\ 0"0"7[/tex]

[tex](c)\ 2"8 - 2"611[/tex]

[tex](d)\ 7"(1 + 1)"46[/tex]

[tex](e)\ "1"23"4"30"7"17[/tex]

Explanation:

Required

Evaluate each expression

The simple rules to follow are:

(1) All expressions in bracket will be evaluated based on its data type

(2) Divisions will return only integer values

(3) Integers immediately after string values will be concatenated (not added)

So, the results are as follows:

[tex](a)\ 4 + 1 + 9 + "." + (-3 + 10) + 11 / 3[/tex]

Evaluate till a string is encountered

[tex]4 + 1 + 9 = 14[/tex]

Followed by "."

Then:

[tex](-3 + 10) = 7[/tex]

[tex]11/ 3 = 3[/tex]

[tex]"." + (-3 + 10) + 11/3 = "."73[/tex] -- because expressions after string operations are concatenated.

So, we have:

[tex]4 + 1 + 9 + "." + (-3 + 10) + 11 / 3 = 14"."43[/tex]

[tex](b)\ 8 + 6 * -2 + 4 + "0" + (2 + 5)[/tex]

Evaluate till a string is encountered

[tex]8 + 6 * -2 + 4 =0[/tex]

[tex]"0" + (2 + 5) ="0"7[/tex]

So, we have:

[tex]8 + 6 * -2 + 4 + "0" + (2 + 5) = 0"0"7[/tex]

[tex](c)\ 1 + 1 + "8 - 2" + (8 - 2) + 1 + 1[/tex]

Evaluate till a string is encountered

[tex]1 + 1 = 2[/tex]

[tex]"8 - 2" + (8 - 2) + 1 + 1 = "8 - 2"611[/tex]

So, we have:

[tex]1 + 1 + "8 - 2" + (8 - 2) + 1 + 1 = 2"8 - 2"611[/tex]

[tex](d)\ 5 + 2 + "(1 + 1)" + 4 + 2 * 3[/tex]

Evaluate till a string is encountered

[tex]5 + 2 =7[/tex]

[tex]"(1 + 1)" + 4 + 2 * 3 = "(1 + 1)"46[/tex] --- multiply 2 and 3, then concatenate

So, we have:

[tex]5 + 2 + "(1 + 1)" + 4 + 2 * 3= 7"(1 + 1)"46[/tex]

[tex](e)\ "1" + 2 + 3 + "4" + 5 * 6 + "7" + (8 + 9)[/tex]

Since a string starts the expression, the whole expression will be concatenated except the multiplication and the expressions in bracket.

So, we have:

[tex]"1" + 2 + 3 + "4" + 5 * 6 + "7" + (8 + 9) = "1"23"4"30"7"17[/tex]

A strategy that adopts interface standards that are defined by and widely used throughout industry to facilitate the update of components with new technology is __________. Open systems Non-developmental items Software-embedded systems Automated Information Systems

Answers

Answer:

The right approach is Option d (Automated information systems).

Explanation:

A technology that collects as well as disseminates knowledge or material throughout a range or variety of computerized systems, they are determined as an Automated information system.Oftentimes virtually minimal individual personal interference is necessary except perhaps construction as well as services.

Other choices aren't related to the given scenario. So the above is the appropriate one.

View "The database tutorial for beginners" and discuss how database management systems are different from spreadsheets. Describe one experience you have had working with data.

Answers

Answer and Explanation:

A spreadsheet is an interactive computer application for the analysis and storage of data. The database is a collection of data and accessed from the computer system. This is the main difference between spreadsheets and databases. The spreadsheet is accessed by the user and the database is accessed by the user. The database can store more data than a spreadsheet. The spreadsheet is used for tasks and used in enterprises to store the data. Spreadsheet and database are two methods and the main difference is the computer application that helps to arrange, manage and calculate the data. The database is a collection of data and organized to access easily. Spreadsheet applications were the first spreadsheet on the mainframe. Database stores and manipulates the data easily. The database maintains the data and stores the records of teachers and courses. The spreadsheet is the computer application and analyzing the data in table form. The spreadsheet is a standard feature for productive suite and based on an accounting worksheet.

Create a variable in php to store your university information and parse using jQuery Ajax and print your name. The variable must contain information about name, roll no, department and CGPA.

Answers

AnswLab giya j ty dy dio:

Explanation:

how many copies of each static variable and each class variable are created when 10 instances of the same class are created

Answers

Answer:

Static variables are initialized only once

Explanation:

Only one copy of static variables are created when 10 objects are created of a class

A static variable is common to all instances of a class because it is a class level variable

The computer that is used in scientific research is ........​

Answers

Answer:

supercomputers are the computer that is used in scientific research.

Answer:

super computer is the right answer

Why is OS important in every data processing system?
Please Answer Fast! ​

Answers

Answer:

Functions of an operating system. An operating system provides three essential capabilities: It offers a UI through a CLI or GUI; it launches and manages the application execution; and it identifies and exposes system hardware resources to those applications -- typically, through a standardized API.

Explanation:

_________________________ are the countable products resulting from a program, while ________________________ are the changes in clients that are achieved as a result of program participation.

Answers

Answer: Outputs; Outcomes.

Explanation:

Program refers to the collection of instructions which the computer can execute in order to perform a certain task.

Outputs are are the countable products resulting from a program, while on the other hand, outcomes are the changes in clients that are achieved as a result of program participation.

A ----------------has the least flexibility and is best suited for mass production. It has an arrangement of machines that process identical products in a predefined order, with automatic movement of materials between machines.

Answers

Answer:

Job order production

Explanation:

A job order production has the least flexibility and is best suited for mass production.

It also has an arrangement of machines that process identical products in a predefined order, with automatic movement of materials between machines.

brainleist please..

Answer -------> Transfer line <---------

please click on the picture look at the PICTURE for the correct answer.

Batter boards (if properly offset) will allow for the end user to continually re-string the layout to double check accuracy without having to continually set up an instrument True False

Answers

Answer:

The given statement is "True".

Explanation:

Batter panels seem to be platform frames that are used to temporarily suspend foundations plan threads. These same batter board members look like barriers once built.Its positioning is important for creating a foundation precisely as the plans state since some components of their development would have to be accurate. Placed correctly batter panels guarantee that the boundaries seem to be at the appropriate temperatures as well as positions.

In the forward chaining technique, used by the inference engine component of an expert system, the _____ condition is evaluated first.

Answers

Answer:

"if" is the right response.

Explanation:

Forward chaining is being utilized just to split the logical sequential order down as well as operate throughout every component once the preceding one is accomplished, from start to finish.Its whole algorithm begins with proven information that activates all the rules, which are fulfilled as well as makes established realities even more complete.

4) a) List two hardware devices that are associated with the Data Link layer. b) Which is the most commonly used in modern Ethernet networks

Answers

Answer:

Bridges and switches

Explanation:

4a) A bridge is an intelligent repeater that is aware of the MAC addresses of the nodes on either side of the bridge and can forward packets accordingly.

A switch is an intelligent hub that examines the MAC address of arriving packets in order to determine which port to forward the packet to.

4b) Twisted-pair cable is a type of cabling that is used for telephone communications and most modern Ethernet networks

List and explain the type of networking​

Answers

Answer:

Used for everything from accessing the internet or printing a document to downloading an attachment from an email, networks are the backbone of business today. They can refer to a small handful of devices within a single room to millions of devices spread across the entire globe, and can be defined based on purpose and/or size.

We put together this handy reference guide to explain the types of networks in use today, and what they’re used for.

 

11 Types of Networks in Use Today

 

1. Personal Area Network (PAN)

The smallest and most basic type of network, a PAN is made up of a wireless modem, a computer or two, phones, printers, tablets, etc., and revolves around one person in one building. These types of networks are typically found in small offices or residences, and are managed by one person or organization from a single device.

 

2. Local Area Network (LAN)

We’re confident that you’ve heard of these types of networks before – LANs are the most frequently discussed networks, one of the most common, one of the most original and one of the simplest types of networks. LANs connect groups of computers and low-voltage devices together across short distances (within a building or between a group of two or three buildings in close proximity to each other) to share information and resources. Enterprises typically manage and maintain LANs.

 

Using routers, LANs can connect to wide area networks (WANs, explained below) to rapidly and safely transfer data.

 

3. Wireless Local Area Network (WLAN)

Functioning like a LAN, WLANs make use of wireless network technology, such as Wi-Fi. Typically seen in the same types of applications as LANs, these types of networks don’t require that devices rely on physical cables to connect to the network.

 

4. Campus Area Network (CAN)

Larger than LANs, but smaller than metropolitan area networks (MANs, explained below), these types of networks are typically seen in universities, large K-12 school districts or small businesses. They can be spread across several buildings that are fairly close to each other so users can share resources.

 

5. Metropolitan Area Network (MAN)

These types of networks are larger than LANs but smaller than WANs – and incorporate elements from both types of networks. MANs span an entire geographic area (typically a town or city, but sometimes a campus). Ownership and maintenance is handled by either a single person or company (a local council, a large company, etc.).

 

6. Wide Area Network (WAN)

Slightly more complex than a LAN, a WAN connects computers together across longer physical distances. This allows computers and low-voltage devices to be remotely connected to each other over one large network to communicate even when they’re miles apart.

 

The Internet is the most basic example of a WAN, connecting all computers together around the world. Because of a WAN’s vast reach, it is typically owned and maintained by multiple administrators or the public.

 

7. Storage-Area Network (SAN)

As a dedicated high-speed network that connects shared pools of storage devices to several servers, these types of networks don’t rely on a LAN or WAN. Instead, they move storage resources away from the network and place them into their own high-performance network. SANs can be accessed in the same fashion as a drive attached to a server. Types of storage-area networks include converged, virtual and unified SANs.

 

8. System-Area Network (also known as SAN)

This term is fairly new within the past two decades. It is used to explain a relatively local network that is designed to provide high-speed connection in server-to-server applications (cluster environments), storage area networks (called “SANs” as well) and processor-to-processor applications. The computers connected on a SAN operate as a single system at very high speeds.

 

9. Passive Optical Local Area Network (POLAN)

As an alternative to traditional switch-based Ethernet LANs, POLAN technology can be integrated into structured cabling to overcome concerns about supporting traditional Ethernet protocols and network applications such as PoE (Power over Ethernet). A point-to-multipoint LAN architecture, POLAN uses optical splitters to split an optical signal from one strand of singlemode optical fiber into multiple signals to serve users and devices.

 

10. Enterprise Private Network (EPN)

These types of networks are built and owned by businesses that want to securely connect its various locations to share computer resources.

 

11. Virtual Private Network (VPN)

By extending a private network across the Internet, a VPN lets its users send and receive data as if their devices were connected to the private network – even if they’re not. Through a virtual point-to-point connection, users can access a private network remotely.

9.17 LAB: Acronyms An acronym is a word formed from the initial letters of words in a set phrase. Write a program whose input is a phrase and whose output is an acronym of the input. If a word begins with a lower case letter, don't include that letter in the acronym. Assume there will be at least one upper case letter in the input.

Answers

Answer:

Hence the code is given as follows,

import java.util.Scanner;

public class LabProgram {

   public static String createAcronym(String userPhrase){

       String result = "";

       String splits[] = userPhrase.split(" ");

       for(int i = 0;i<splits.length;i++){

           if(splits[i].charAt(0)>='A' && splits[i].charAt(0)<='Z')

               result += splits[i].charAt(0);

       }

       return result;

   }

   public static void main(String[] args) {

       Scanner scan = new Scanner(System.in);

       String s = scan.nextLine();

       System.out.println(createAcronym(s));

   }

}

What are the LinkedIn automation tools you are using?

Answers

Answer:

Well, for me I personally use LinkedCamap to drive more LinkedIn connections, hundreds of leads, sales, and conversions automatically.

Some other LinkedIn automation tools are;

ExpandiMeet AlfredPhantombusterWeConnectLinkedIn Helper

Hope this helps!

Write a Python program square_root.py that asks a user for an integer n greater or equal to 1. The program should then print the square root of all the odd numbers between 1 and n (Including n if n is odd). Print the square roots rounded up with no more than two digits after the decimal point.

Answers

Answer:

import math

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

for number in range(1, n+1):

   if number % 2 == 1:

       print("{:.2f}".format(math.sqrt(number)), end=" ")

Explanation:

In order to calculate the square roots of the numbers, import math. Note that math.sqrt() calculates and gives the square root of the given number as a parameter

Ask the user to enter the n

Create a for loop that iterates from 1 to n+1 (Since n is included, you need to write n+1)

Inside the loop, check whether the number is odd or not using the if structure and modulo. If the number is odd, calculate its square root using the math.sqrt() and print the result with two digits after the decimal

Answer to this problem

Answers

Answer:

hi..,.................................................

A cashier distributes change using the maximum number of five-dollar bills, followed by one-dollar bills. Write a single statement that assigns num_ones with the number of distributed one-dollar bills given amount_to_change. Hint: Use %.
Sample output with input: 19
Change for $ 19
3 five dollar bill(s) and 4 one dollar bill(s)
1 amount_to_change = int(input())
2
3 num_fives amount_to_change // 5
4
5 Your solution goes here
6 I
7 print('Change for $, amount_to_change)
8 print(num_fives, 'five dollar bill(s) and', num_ones, 'one dollar bill (s)')

Answers

Answer:

Explanation:

The code that was provided in the question contained a couple of bugs. These bugs were fixed and the new code can be seen below as well as with the solution for the number of one-dollar bills included. The program was tested and the output can be seen in the attached image below highlighted in red.

amount_to_change = int(input())

num_fives = amount_to_change // 5

#Your solution goes here

num_ones = amount_to_change % 5

print('Change for $' + str(amount_to_change))

print(num_fives, 'five dollar bill(s) and', num_ones, 'one dollar bill (s)')

Indicate whether the following actions are the actions of a person who will be a victim, or will not be a victim, of phishing attacks.

Replying to an e-mail requesting your user ID and password Phishing victim Not a phishing victim

Answers

Answer:

Phishing Victim

Explanation:

Replying to this email could make you a victim of a phishing scam. Phishing attacks are common challenges on security that internet users are faced with. It could lead to others getting hold of sensitive information like your password or bank details. email is one way the hackers used to get this information. replying to such an email could lead one to an unsecure website where information could be extracted

Which statement describes data-sharing in a blockchain?

Answers

Answer:

wheres the statement

Explanation:

uuhdcnkhbbbbhbnbbbbnnnnnnnnnfddjkjfs

Answers

Answer:

The answer is "Option c"

Explanation:

In PHP to remove all the session variables, we use the session_destroy() function. It doesn't take any argument is required and then all sessions variables could be destroyed by a single call. If a particular clinical variable is now to be destroyed, the unset() function can be applied to unset a session variable. Its session doesn't unset or unset the session cookie by either of the local variables associated with it.

Create a function called GetColors that will accept two parameters. These parameters can only be red, blue or yellow. Your function needs to analyze these two colors and determine the color mix. Make sure your function returns the color mix back to where it was called.

Answers

Answer:

Explanation:

The following code is written in Java. It creates a GetColors method that takes in the two parameter colors of either red, blue or yellow. It combines those colors and returns the mix of the two colors back to the user. A test case has been used in the main method and the output can be seen in the attached image below.

import java.util.Scanner;

class Brainly {

   public static void main(String[] args) {

       System.out.println(GetColors("yellow", "red"));

   }

   public static String GetColors(String color1, String color2) {

       if (color1 == "red") {

           if (color2 == "blue") {return "purple";}

           else if (color2 == "yellow") {return "orange";}

           else {return "red";}

       } else if (color1 == "blue") {

           if (color2 == "red") {return "purple";}

           else if (color2 == "yellow") {return "green";}

           else {return "blue";}

       } else if (color1 == "yellow") {

           if (color2 == "red") {return "orange";}

           else if (color2 == "blue") {return "green";}

           else {return "yellow";}

       } else {

           return "Wrong Parameters";

       }

   }

}

9. Which of the following prefixes which relate to bytes are arranged from the smallest to the largest? a) mega, giga, tera, kilo b) meqa tera, giga, kilo c) kilo, mega, giga, tera d) kilo, giga, mega, tera​

Answers

Answer:

Explanation:

C

kilo = 1000

mega = 1,000,000

giga = 1 billion = 1 000 000 000

tera = 1 trillion = 1 000 000 000  000

Giải thích mục đích của các thao tác open() và close().

Answers

Answer:

Which lan is it

Answer:

Đang học năm nhất trường TDT đúng k bạn :D

Explanation:

Write a recursive function that calculates the sum 11 22 33 ... nn, given an integer value of nin between 1 and 9. You can write a separate power function in this process and call that power function as needed:

Answers

Answer:

The function in Python is as follows:

def sumDig(n):

if n == 1:

 return 11

else:

 return n*11 + sumDig(n - 1)

Explanation:

This defines the function

def sumDig(n):

This represents the base case (where n = 1)

if n == 1:

The function returns 11, when it gets to the base case

 return 11

For every other value of n (n > 1)

else:

This calculates the required sum recursively

 return n*11 + sumDig(n - 1)

Which of the following terms describes an attacker walking or driving through business areas and neighborhoods to identify unprotected wireless networks from the street using a laptop or a handheld computer?
A. Wi-Fi stealing.
B. Wi-Fi trolling.
C. Wi-Fi jacking.
D. Wi-Fi hacking.

Answers

Answer:

C. Wi-Fi jacking

Explanation:

Answer: yessir b

Explanation:

Select the correct statement(s) regarding DCE and DTE interfaces.

a. DTE and DCE describes the device types (e.g., computers, switches, routers, etc.)
b. distinguishing between DTE and DCE is only required for half-duplex communications
c. DTE and DCE describes the interface and direction of data flow between devices; a single device may have both types of interfaces
d. all statements are correct

Answers

Answer:

The correct statement regarding DCE and DTE interfaces is:

c. DTE and DCE describes the interface and direction of data flow between devices; a single device may have both types of interfaces.

Explanation:

DTE stands for Data Terminal Equipment.  It is a device that initiates or controls a device's serial connection. The term DCE stands for Data Communications Equipment.  It is a device that is used to a modem or other communication interfaces to the DTE device.  DTE is a communication receptor, while DCE is a communication broadcaster or distributor.

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QuestionKilang-kilang perusahaan dibena oleh para-para pelabur di kawasan perindustrian yang letaknya di pinggir bandar. Pertumbuhan kilang-kilang ini menyusahkan banyak penduduk apabila terdapat pemiliknya yang tidak bertanggung jawab dan mengambil laluan pintas. Pemilik kilang menyalurkan bahan buangan ke dalam sungai hingga berlaku pencemaran air dan keputusan bekalan air bersih berhari-hari lamanya. Ramai orang yang tiada pilihan terpaksa menggunakan air sungai yang tercemar hingga mereka mengalami berbagai jangkitan bawaan air. Kesan daripada pembuangan sisa toksid itu menyebabkan air sungai semakin pekat dan meloyakan. Dari aspek yang lain, sungai tidak lagi menjadi habitat yang selamat bagi hidupan akustik bahkan penghuni sungai semakin pupos kerana kerakusan manusia. Kebiadaban ini jika terbiar bakal mendatangkan sengsara yang berpanjangan kepada banyak pihak sementelahan beberapa kerat sahaja yang menerima untung dari pencemaran sungai di negara ini. People with expertise tend to have more influence using ___, whereas those with a strong legitimate power base are usually more successful applying ___.A. upward appeal; persuasionB. silent authority; coalition formationC. persuasion; silent authorityD. silent authority; assertivenessE. information control; persuasion Acetic acid and water react to from hydronium cation and acetate anion, like this: HCH3CO2 (aq) + H2O (I) H3O+(aq) + Ch3CO2-(aq)Imagine 226. mmol of CH3CO2- are added to a flask containing a mixture of HCH3CO2, H2O, H3O + and CH3CO2- at equilibrium, and then answer the following questions. 1. What is the rate of the forward reaction before any HCH3CO2 has been removed from the flask? a. Zero.b. Greater than zero, but less than the rate of the reverse reaction. c. Greater than zero, and equal to the rate of the reverse reaction. d. Greater than zero, and greater than the rate of the reverse reaction. 2. What is the rate of the forward reaction just after the HCH3CO2 has been removed from the flask?a. Zero.b. Greater than zero, but less than the rate of the reverse reaction. c. Greater than zero, and equal to the rate of the reverse reaction. d. Greater than zero, and greater than the rate of the reverse reaction.3. What is the rate of the forward reaction when the system has again reached equilibrium?a. Zero.b. Greater than zero, but less than the rate of the reverse reaction. c. Greater than zero, and equal to the rate of the reverse reaction. d. Greater than zero, and greater than the rate of the reverse reaction. Which function has a vertex at (2, 6)?O f(x) = 2|x 2| 6O f(x) = 2|x 2| + 6Of(x) = 2|x + 2| + 6Of(x) = 2|x + 2| - 6