What will be printed out as a result of the following code?

int x = 5, y = 7;
System.out.println(++x);
x += y++;
System.out.println(x + "," + y);

a. 6
6,8

b. 6
13,8

c. 5
13,8

d. 5
12,7

Answers

Answer 1

option b 6,13,8 is the output value for given java code that was compiled and in java compiler.

Sun Microsystems first introduced the programming language and computing environment known as java in 1995. Through the provision of the dependable foundation upon which several services and applications are built, it has grown from modest beginnings to power a significant portion of the digital world of today. Java is still a crucial component of cutting-edge technologies and future-oriented digital services.

Even though the majority of current Java programs integrate the Java runtime with the program itself, there are still a lot of programs and even certain websites that require desktop Java to work. This website, Java.com, is designed for users who may still need Java for desktop programs, more specifically those that target Java 8. Anyone interested in learning Java programming, both developers and users

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Related Questions

which of the following stage triggers the cpu switch from user program to interrupt processing?

a. I/O request
b. transfer done
c. interrupt signaled
d. interrupt handled

Answers

Option D is correct interrupt handled. A software interruption happens when an application program quits or asks the OS for specific services.

When particular circumstances are satisfied by carrying out a special command, the CPU typically requests a software interrupt. This command acts as a call to a procedure and causes the interrupt. The CPU halts running the active program when an interrupt occurs. An interrupt handler, also known as an interrupt service routine, receives control after that. The interrupted program will continue after the interrupt handler processes it. The software has direct, unfettered access to system resources while operating in kernel mode. The application program runs and launches in user mode.

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Which of the following are true about windows update for business? (select three.)

a. Windows Update for Business can be used with all versions of Windows 10 except Windows 10 Home.
b. Windows Update for Business can be configured with Group Policy, Mobile Device Management, or Systems Center Configuration Manager.
c.Windows Update for Business provides the latest features for your Windows 10 devices, including security upgrades.

Answers

Security, critical, and driver updates are among them. Non-Windows updates (such as Microsoft Office or Visual Studio updates) are also treated as quality updates by Windows Update for Business.

When these devices connect directly to the Windows Update (WU) service, Windows Update for Business (WUfB) keeps Windows 10 or later devices in your organization always up to date with the latest security defenses and Windows features. Users can configure the branch readiness level for their device starting with Windows 10, version 1703, by going to Settings > Update & security > Windows Update > Advanced options. If this setting was configured by policy, users will be unable to change it. We can now create folders in the Start menu to organize our apps. we can now select one of three menu layouts.

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Which of the following malware does not harm the system but only targets the data?

a. Ransomware
b. Trojan
c. Worm
d. Logic bomb

Answers

A malware which does not harm the computer system but only targets the data is: a. Ransomware.

What is a malware?

A malware is any type of software program, document, or file that is designed and developed to be intentionally harmful to the host server, computer system, website, or network. This ultimately implies that, a malware is designed and developed for the purpose of wreaking havoc, disruption, and destruction on a computer system.

The examples of malware.

In Computer technology, some examples of malware include the following:

ZombiesWormsVirusesTrojansAdwareSpywareRootkitRansomware

In conclusion, we can reasonably infer and logically deduce that a ransomware is designed and developed to only target an end user's data, but not it is not harmful to the host server or computer system.

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Which of the following commands can only be used to create partitions on a GPT hard disk? a. gdisk b. cfdisk c. fdisk d. parted

Answers

Option a is correct. Gdisk is the command that can only be used to create partitions on a GPT hard disk.

A text-mode menu-driven software for creating and modifying partition tables is called GPT fdisk (also known as gdisk). It will either load a GUID partition table or automatically convert an older Master Boot Record (MBR) partition table to the newer Globally Unique Identifier (GUID) Partition Table (GPT) format, or a BSD disklabel stored without an MBR carrier partition. The application stops after displaying the current partition table when used with the -l command-line option.

Gdisk mostly uses the GPT headers and partition tables, but when necessary, it can and will create a new protected MBR. (The protected MBR will not be impacted by any boot loader code.) If you've generated a unique protective MBR, like a hybrid MBR made with gptsync or gdisk's own hybrid MBR generation tool, this shouldn't be disrupted by most routine operations.

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what is the small file called that is deposited on a hard drive by a website containing information about customers and their web activities? group of answer choices click-through cookie banner ad interactivity

Answers

The small file deposited on a hard drive by a website containing information about customers and their website activities is called cookie.

What is a cookie?

This cookie is placed on their computer. When you visit a website, it will store a small, very small 4096 bytes (you can ignore its size) file in your computer containing limited information about the pages you visited on that website. Why does the website do this, anyway? For better user experience. With these cookies the website can personalize the information just for you based on your previous browsing. This cookie is safe and has been part of the internet.

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11. edra started to create named ranges in the worksheet and has asked you to complete the work. create a defined name for the quarterly walkup values using walkup as the range name.

Answers

To create a defined name for the quarterly walkup values using walkup as the range name.

Choose the desired range, taking note of any row or column labels.Select Create from Selection under Formulas.Depending on where your row/column header is located, pick the appropriate checkbox(es) in the Create Names from Selection dialog box. Simply choose Top row if the top of the table simply contains a header row. If the top row and left column headers exist, you can choose Top row and Left column choices, for example.Select OK.

What is a defined name?

Any of the following can be given a defined name to further describe it: A Cell. Various Cells (including an entire row or entire column) A Permanent (i.e. a number like 8.3) An equation using a number of worksheet fields to define a name

Note that one need to Click Create from Selection under the Defined Names category on the Formulas tab. Choose the Top row, Left column, Bottom row, or Right column check box to indicate where the labels are located in the Create Names from Selection dialog box.

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natural language processing (nlp) is an important component of text mining and is a subfield of computational linguistics but not artificial intelligence. group of answer choices true false

Answers

The above statement is false. In fact, Natural Language Processing (NLP) is an important component of text mining and is a subfield of computational linguistics and artificial intelligence.

A glimpse of Natural Language Processing (NLP)

Human and computer languages are different. This is where Natural Language Processing (NLP) comes in between, it connects the computer with the human so it understands the human language and performs the correct task. It's a part of artificial intelligence whose goal is the computer capability to understand the contents of documents made by humans and the contextual nuances of the language. Therefore, computers can extract any information in the documents accurately.

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subtype supertype relationships should not be used when teh isntances

Answers

A subtype / supertype relationships should not be used when the instances of a subtype do not take part in any relationships specific to that subtype.

A supertype is a type of generic entity that is connected to one or more subtypes. A subtype is a subdivision of an entity type that is significant to the organization and that has characteristics or connections that set it apart from other subgroups.

All supertype properties are inherited by subtypes. Subtypes differ from one another in terms of their qualities. Regardless of whether they are subtypes or supertypes of another entity class, all entity classes are shown using the same diagramming convention (the box with rounded corners).

Definitions must be used to support subtypes and supertypes.

Attributes can exist for both supertypes and subtypes. Individual subtypes are given the properties specific to them, while the supertype is given the common attributes.

Relationships between subtypes and supertypes are possible. By linking our "mother of" and "father of" relationships to entity classes at the most suitable level, we were able to properly represent them in our family tree model. In actuality, this figure illustrates the majority of the relationships that modelers appear to be concerned in, particularly that which exists between an entity class and its own supertype.

Subtypes may also have further subtypes. Two layers of subtyping are not necessary for us to use. The majority of concepts are often represented in practice at one, two, or three levels of generality, however four or five levels might occasionally be helpful.

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What strategies do we use to prevent duplicate ip addresses from being used on a network?

Answers

Set up a DHCP server on our network. Make use of Autonomous Private IP Addressing.

It is critical to use an effective DHCP server in your network to protect your devices from IP conflicts. Subpar DHCP servers may contain bugs that result in IP conflicts by incorrectly assigning IP addresses to network devices during dynamic IP allocation. A Duplicate IP Address error message appears when another device, such as a laptop, desktop, cell phone, or tablet, connects to the network and obtains the same IP Address as the Printer from the DHCP Server. When two devices on the same network try to use the same IP address, a conflict occurs. Both computers are unable to connect to network resources or perform other network operations when this occurs.

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Nikita is using a Windows 10 system. She wants to change the background picture on her desktop, so she decides to open the Settings window.

Which of the following shortcuts can she use to access the Settings windows?
a. Win+I
b. Win+D
c. Win+Ctrl+Shift+B
d. Win+L

Answers

Option a is correct. Win+I is the shortcut that can be use to access the setting windows.

On Windows 10, keyboard shortcuts are rapid ways to move about and carry out tasks using one or more key combinations, which would normally require a lot more mouse clicks and time to execute.

There are a ton of keyboard shortcuts in Windows 10, but you don't have to master them all. Only the ones that will make your life simpler and increase productivity should be kept in mind.

Keyboard shortcuts are keys or key combinations that offer an alternative method of performing tasks that you would ordinarily perform with a mouse.

We designed these lovely desktop backgrounds to help you recall Windows 10's extensive list of keyboard shortcuts so you can make the most of it.

To make any of the pictures your new Windows desktop background image:

To view any of the backdrop pictures in its whole in a new window, first click on any of them below.

Then, to save it to your computer, right-click (or long-press on a touch device) and select Save As.

Lastly, locate the picture on your computer, perform a right-click, and then choose "set as desktop background."

The keyboard shortcuts for Windows 10 are listed below:

Win+I= Open setting

Win+D= Display and hide desktop

Win+L= Lock your PC

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If you want to use evidence found on computers, networks, and other devices to help solve crimes, then which of the following careers is a match for you?

a. Digital forensics
b. Web analytics
c. Data scientist
d. Security specialist

Answers

If you want to use evidence found on computers, networks, and other devices to help solve crimes, then the career which is a match for you is: A. Digital forensics.

What is Digital forensics?

Digital forensics can be defined as a type of technology which is designed and developed to gather, access, and monitor the activities of a particular user or users on a computer system, networks, and other devices over the Internet.

This ultimately implies that, Digital forensics is a career which would avail a graduate student an ability to search and find an evidence about the fraudulent or legal activities carried out using a computer system, networks, and other devices over the Internet.

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write a program that asks the user for the names of two files. the first file should be opened for reading and the second file should be opened for writing

Answers

The given program will be:

import java.util.Scanner;

import java.io.FileReader;

import java.io.IOException;

import java.io.PrintWriter;

public class UpperCaseFile

{

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

{

Scannerin = new Scanner(System.in); // For reading input from the console

System.out.print("In file name: ");

String inFileName = in.nextLine();

System.out.print("Out file name: ");

String outFileName = in.nextLine();

FileReader reader = new FileReader(inFileName);

PrintWriter writer = new PrintWriter(outFileName); // For writing output to the file

Scanner fileReader = new Scanner(reader); // For reading input from the file

while(fileReader.hasNext())

{

String line = fileReader.nextLine();

line = line.toUpperCase();

writer.println(line);

}

fileReader.close();

writer.close();

System.out.println("Done.");

}

}

What is program?

A computer programme is a set of instructions written in a programming language that a computer can execute. Software contains computer programmes as well as documentation and other intangible components.

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kathy executed the show interfaces command on a router and reviewed the output. which output indicates a layer 1 problem with the serial0/1/1 interface?

Answers

A network that is directly connected to the router is identified by the letter C next to an entry in the output of the show ip route command.

Algorithms are employed in dynamic routing to compute numerous potential routes and identify the optimum path for traffic to follow through the network. It employs link state protocols and distance vector protocols, two classes of sophisticated algorithms. A condensed statement about each IP interface, including its IP address, line and protocol status, and how the address was configured, is displayed by the ship interfaces short command (DHCP or Manual). The startup configuration file kept in NVRAM is displayed using the show startup-config command. The router will restart with this configuration in place.

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Next → Creating Documents Using Word Processing Software: Mastery Test
1
Type the correct answer in the box. Spell all words correctly.
Under which key category do the Page Up and Page Down keys fall?
Page Up and Page Down keys fall under the
Reset
keys category.
Next

Answers

Any of these approaches can be used to open a Word document that already exists. Although a doc file will open when double-clicked in Windows Explorer.

What exactly is word processing software?

The process of creating, editing, saving, and printing documents on a computer is referred to as word processing. Specialized software, also referred to as a word processor, is required in order to execute word processing. Microsoft Word is one example of a word processor, while many people also use other word processing programs.

Does Excel have a word-processing component?

MS Excel is a spreadsheet application used to create tables, and charts, and perform intricate computations. Microsoft Word is a word processing tool used for producing papers, reports, and other written work.

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the process of reducing the number of bits required to present information from which the original form cannot be exactly reconstructed is known as ________ compression.

Answers

The process of reducing the number of bits required to present information from which the original form cannot be exactly reconstructed is known as Lossy compression.

When a file is compressed using lossy methods, the data is deleted and not put back together again after decompression. In particular, data is irreversibly deleted, hence the name "irreversible compression" for this technique. Typically, this data loss is undetectable. Data that has been compressed using lossy techniques typically cannot be retrieved or precisely recreated since they result in some information loss. We can typically achieve significantly greater compression ratios than with lossless compression in exchange for allowing this distortion in the reconstruction.

This lack of accurate reconstruction is not a concern in many situations. For instance, it is not necessary to know the precise value of each voice sample while storing or transferring speech. Various degrees of information loss about the value of each sample data can be accepted, depending on the level of quality necessary for the rebuilt speech.

An important amount of information must be lost in order for the rebuilt speech to seem as natural as possible. The amount of information loss that may be accepted is substantially lower if the quality of the reconstructed speech must match that of a compact disc, though.

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1. A ______ is a block of code that can be run by calling it by name



2. _____ are pieces of information that can be sent to a function


I already solved this.
Answers:
1.Function
2.Parameters
3.function
4.random

Answers

A function is a block of code that can be run by calling it by name.

Parameters are pieces of information that can be sent to a function.

What is a function?

A function can be defined as a named portion of a block of executable code that is written to perform a specific task, which is usually a single, related action and can be run when it is called by name.

This ultimately implies that, a function comprises a group of related statements (block of code) that would only run and returns a data when it is called.

In this context, we can reasonably and logically deduce that a parameter is any information that can be passed to a function when it is called by name.

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how do routers create a broadcast domain boundary?

Answers

By passing packets through various network devices, routers create the limits of the broadcast domain. This prevents communication between devices on the same network while isolating your device from other networks.

A hub or switch's ports are all by default in the same broadcast domain. Routers do not forward broadcasts between broadcast domains since every router port is in a different broadcast domain. VLANs, or virtual LANs, are broadcast domains, which explains why. One or more "server" or "provider" nodes are located by using their MAC addresses or switch ports. These sources can produce broadcast frames that can be transmitted to every other node.

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web crawlers or spiders collect information from web pages in an automated or semi-automated way. only the text of web pages is collected by crawlers. group of answer choices true false

Answers

Web crawlers or spiders collect information from web pages in an automated or semi-automated way. Only the text of web pages is collected by crawlers is a false statement.

What are Web crawlers?

Web crawlers, sometimes called spiders or spiderbots, or abbreviated to crawlers, are Internet bots that systematically crawl the World Wide Web, typically operated by search engines for Web indexing. Here's an example of a web crawler used for search engine indexing:Amazonbot is an Amazon web crawler. Bingbot is Microsoft's search engine crawler for Bing. DuckDuckBot is a crawler for the DuckDuckGo search engine. Most search indexes are built through the work of software called crawlers. They automatically visit publicly accessible websites and follow links on those pages. This is the same as browsing content on the Internet.The number of websites is very large. Even the largest crawlers cannot create a perfect index. Because of this, in the early days of the World Wide Web, before 2000, search engines struggled to provide good search results. Today, relevant results are displayed almost instantly.

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What is a good security practice for web browsing?

Answers

The good security practices for web browsing are to open a website that provides a secure connection, not opens a malicious website, use HTTPS, and don't reuse the password.

Having good online security measures or practicing allows you to protect yourself from online fraud, privacy issues, and data or information leakage.

For this purpose, the following are the best security practices while browsing online:

Use an updated browser, and don't install third-party plug-ins or add-on.Use HTTPS. Don't reuse passwords. Always use a different password while browsing on every websiteRead privacy policies on a website.Avoid free or public wifi for browsingDon't open a malicious websiteScan files before downloading and always run anti-virus and keep it updated.

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What is used to create a program that runs on a web server and deals with generation of the content of a web page to satisfy an end-user's request?

Answers

The thing that is used to create a program that runs on a web server and deals with generation of the content of a web page to satisfy an end-user's request is  server-side programming.

What is server-side programing?

Developers can employ sessions, which are essentially a method that allows a server to keep information on the current user of a site and send various answers based on that information, by using server-side programming.

All forms of applications that operate on the web server are collectively referred to as server side programming. They handle user input, work with databases, and decide what information is returned to the client in response to his request.

Therefore, Client-side development solicits user feedback. Developers can use JavaScript, for instance, to make forms that gather user input. Server-side development is processing this input in the interim. Developers can use PHP, for instance, to link a database to a website and send data entered by users to the database.

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document the computers, servers, and network equipment in your classroom. design a form for gathering this information, including space for items such as model number, serial number, nic type, mac address, logical address, location, patch panel port connections, and switch port connections. what other information might be important?

Answers

This exercise is known as Creating an IT Assets Register. The other information that is important is:

The person in charge of the assetThe date the asset was purchasedThe date of the last OS or Hardware upgrade.

What is an Assets Register?


An IT asset register is a tool for tracking and monitoring your IT gear, computers, and equipment. An IT asset register not only allows you to manage your assets in real-time but also allows you to run bespoke reports on what tools the company has and who owns it.

A fixed asset register typically has a unique identifying code, asset name, description, purchase and capitalization dates, acquisition cost, department, residual utility, asset life span, depreciation rule etc.

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what makes fiber preferable to copper cabling for interconnecting buildings? (choose three.)

Answers

The factors that makes fiber preferable to copper cabling for interconnecting buildings are option B, D and E:

Greater distances per cable run.Limited susceptibility to EMI/RFI.Greater bandwidth potential.

What is copper cabling used for?

In many types of electrical wiring, copper serves as the electrical conductor. Power generation, transmission, as well as in distribution, telecommunications, all rely on copper wire.

Therefore, Copper is one of the most electrically conductive materials available, second only to silver. Less insulation can be used, which gives you more setup options. Copper has a high level of corrosion resistance, which lowers the chance of deterioration.

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See full question below

What makes fiber preferable to copper cabling for interconnecting buildings? durable connections limited susceptibility to EMI easily terminated lower installation cost Greater distances per cable run,

developing the concept of what the graphical user interface (gui) for a new system will look like is done in the ___________ stage.

Answers

Concept development of what the new system's graphical user interface (GUI) will look like is done in the design phase.

Through menus, icons, and other visual cues or representations, the user interacts with electronic devices such as computers and smartphones using a graphical user interface (GUI) (graphics). Unlike text interfaces, where data and commands are purely text, GUIs graphically display information and associated user controls. A pointing device such as a mouse, trackball, stylus, or finger on a touchscreen is used to manipulate GUI representations.

Created by the Xerox Palo Alto Research Laboratory in the late 1970s and commercially released on the Apple Macintosh and Microsoft Windows operating systems, the graphical user interface was created as a solution to the inefficient usability of early text-based command-line interfaces. for the typical user.

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a form of database design which maps conceptual requirements is called

Answers

A form of the database design which maps conceptual requirements is called logical designs.

A conceptual schema is a summary of the informational requirements driving a database's design. Usually, it merely covers the key ideas and their primary connections. This model is typically a first cut, lacking enough information to create a real database. For a group of users, this level describes the overall database structure.

When a database system is constructed, the conceptual model, also referred to as the data model, can be utilized to explain the conceptual schema. In order to focus on specifying entities, datatypes, connections, and restrictions, it conceals the internal workings of physical storage.

The design of the database using the ERDM is part of this procedure. This is frequently accomplished through the processes of data normalization (to the third normal form is typically sufficient) and entity modeling to create the tables and relationships that make up the design of the database (or schema).

This stage does not address the RDBMS implementation that will be used, such as MySQL, SQL Server, DB2, and so on, or the hardware platform that the database will be hosted on. Database design comes as the third phase. This process may include two sub-steps: database logical design, which establishes a database in a particular DBMS's data model, and database physical design, which establishes the internal database storage structure, file organization, or indexing methods. The building of operations and user interfaces and the implementation of databases are these two sub-steps.

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In c++ create a program that will allow the user to input a start and stop number, and print out the sum of the even or odd numbers between the 2 numbers.

Answers

Answer:

#include <iostream>
using namespace std;

int main() {

   int start, stop, evenSum=0, oddSum=0;
   cout << "Enter an integer to start: ";
   cin >> start;

   cout << "Enter an integer to stop: ";
   cin >> stop;    

   for(int i = start; i <= stop; i++){
       if (i % 2  == 0){
           evenSum += i;
       }
       else{
           oddSum += i;
       }
   }

   cout << "Sum of odd numbers between " << start << " and " << stop << " is: " << oddSum<< endl;

   cout << "Sum of even numbers between " << start << " and " << stop << " is: " << evenSum<< endl;

   return 0;

}

Important: Please read explanation below

Explanation:

My program computes the sums for odd and even numbers between start number and stop number inclusive.
For example if you enter start = 1 and stop = 8 it will compute odd sum as 1 + 3 + 5 + 7 = 16 and even sum as 2 + 4 + 8= 16

If you want to omit the start and stop numbers in the computation, change the for loop to the following:
for (int i = start + 1; i < stop; i++)

If you want to include the start but omit the end number,
for (int i = start; i < stop;i++)

Well, you get the drift

A section within the virtual machine manager that facilitates the management of servers, networking, and storage resources that make up the infrastructure to deploy private clouds.

a. True
b. False

Answers

It is true that the section in the virtual machine manager makes it easier to manage the servers, networks and storage resources that make up the infrastructure for private cloud deployments. Option a is correct.

The software that creates and manages virtual machines is called a hypervisor, also referred to as a virtual machine monitor or VMM (VM). By essentially sharing its resources such as memory and computation, a hypervisor allows a single host computer to serve many guest virtual machines (VMs).

Because hosted virtual machines are independent of the host hardware, hypervisors enable better utilization of system resources as well as greater IT mobility. They can thus be easily transferred between different servers. The hypervisor reduces: because several virtual machines can run one

a. physical server;

b. Space,

c. Energy,

d. Maintenance need.

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Deciding whether primary data, secondary data, or sometimes both will provide researchers with the answers they need to answer their research problem takes place at which step of the marketing research process?.

Answers

Answer:

Secondary data can provide generalize results that can be helpful, but maybe not as in-depth as you need. Collecting primary data allows you to tailor your collection method, so it delivers specific results. This helps you by cutting down on the time it takes to sift through data that may not apply to your project. Increased accuracy

Explanation:

(1 point) you are the head of a division of a big silicon valley company and have assigned one of your engineers, jim, the job of devising an algorithm to sort through an english text of n words and convert it into an esperanto document. jim comes up with an algorithm which takes 2n2 2n bit operations to handle an input text with n words. suppose the computers in your business can handle one bit operation every nanosecond (1 nanosecond

Answers

Answer:

Explanation:

a) 2n^2+2^n operations are required for a text with n words

Thus, number of operations for a text with n=10 words is 2\cdot 10^2+2^{10}=1224 operation

Each operation takes one nanosecond, so we need 1224 nanoseconds for Jim's algorithm

b) If n=50, number of operations required is 2\cdot 50^2+2^{50}\approx 1.12589990681\times 10^{15}

To amount of times required is 1.12589990681\times 10^{15} nanoseconds which is

1125899.90685 seconds (we divided by 10^{9}

As 1$day$=24$hours$=24\times 60$minutes$=24\times 60\times 60$seconds$

The time in seconds, our algortihm runs is \frac{1125899.90685}{24\cdot 60\cdot 60}=13.0312 days

Number of days is {\color{Red} 13.0312}

c) In this case, computing order of number of years is more important than number of years itself

We note that n=100 so that 2(100)^2+2^{100}\approx 1.267650600210\times 10^{30} operation (=time in nanosecond)

Which is 1.267650600210\times 10^{21} seconds

So that the time required is 1.4671881947\times 10^{16} days

Each year comprises of 365 days so the number of years it takes is

\frac{1.4671881947\times 10^{16}}{365}=4.0197\times 10^{13} years

That is, 40.197\times 10^{12}=$Slightly more than $40$ trillion years$

Correct option is E

which pins in an rj45 connector are used to transmit data when used on a 100baset ethernet network? (select two.)

Answers

Pins in an rj45 connector are used to transmit data when used on a 100baset ethernet network are Pin 1 and 2  data transmission and reception occur over a 100BaseT cable using pins 1 and 2, respectively.

A registered jack (RJ) is a physically standardized network interface for connecting telephone or data equipment. The physical connector types used by registered jacks are mostly modular and 50-pin miniature ribbon connectors. The most widely used twist-pair connector is an RJ45 connector, also known as an 8-position, 8-contact (8P8C) modular plug and jack. The RJ45 connector on an Ethernet cable contains 8 pins. While pins 4 & 5 (blue) and pins 7 & 8 (brown) are inactive, pins 1 & 2 (green) and 3 & 6 (orange) are used for data transmission.

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a network technician wants to upgrade the company's hub to avoid collisions. which solution would help the technician accomplish this to the fullest extent?

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A switch is a device used in electric engineering that has the ability to connect or disconnect a circuit's conducting line, halting the flow of electricity, or rerouting it to another conductor.

Any tool used to stop the passage of electrons in a circuit is known as an electric switch. Essentially binary devices, switches can only be either fully on (closed) or fully off (open). We will look at a few of the many different types of switches that exist in this chapter. The primary switches are safeguards for secure machine control and basic switching devices. For instance, they can be used as repair switches to swiftly shut down big machines and systems so that upkeep work can be done securely.

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