The Complete Question:
F. A 50. A resistor (R2), and unknown resistor R2, a 120 Volt source, and an ammeter are connected in acomplete circuit. The ammeter reads 0.50 ampere (current).
R1
Determine the resistance of Rz.
R2
Answer:
A) The equivalent resistance of the circuit shown will be 240 Ω.
B) The resistance of resistor R will be 190 Ω
Explanation:
What is resistance?
Resistance is a type of opposition force due to which the flow of current is reduced in the material or wire. Resistance is the enemy of the flow of current.
The given data in the problem is;
R is the resistance = 50.-ohm
v is the voltage = 120-volt source
I is the value of the current =0.50 ampere.
A) The equivalent resistance of the circuit shown will be 240 Ω.
According to ohm's law
Hence the equivalent resistance of the circuit shown will be 240 Ω.
B) The resistance of resistor R will be 190 Ω
The given resistors are connected in the series;
R = R1 + R2 +..... Rn
240 = 50 + R
R = 240 - 50
R = 190 Ω
Hence the resistance of resistor R will be 190 Ω
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in which year can e-commerce be said to have begun?
E-commerce be said to have begun in 1979 .
What is e-commerce?
E-commerce (electronic commerce) is the buying and selling of goods and services, as well as the transmission of funds or data, over an electronic network, most notably the internet.
Online shopping was invented in the United Kingdom in 1979 by entrepreneur Michael Aldrich. Aldrich used a telephone line to connect a modified domestic television to a real-time multi-user transaction processing computer. In 1980, the system was marketed as a business-to-business system, which was then sold in the United Kingdom, Ireland, and Spain.
Book Stacks Unlimited, founded in 1992 by Charles M. Stack, was one of the first consumer shopping experiences. Three years before Amazon, Stack's store began as a dial-up bulletin board. Book Stacks Unlimited went online as Books.com in 1994 and was eventually purchased by Barnes & Noble.
Hence, e-commerce be said to have begun in 1979 .
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Most ____ programs are available to try free of charge, but typically a small fee is required to use the program regularly.
Most shareware programmes are free to try, but a small fee is typically required to use the programmer on a regular basis.
A programmer is a set of instructions that a computer follows to carry out a specific task. To use an analogy, a programme is a recipe for a computer. It consists of a set of ingredients (called variables, which can represent numeric data, text, or images) and a set of instructions (called statements) that instruct the computer on how to perform a specific task.
Specific programming languages such as C++, Python, and Ruby are used to create programmes. These are high-level programming languages that can be read and written by humans. Compilers, interpreters, and assemblers in the computer system then translate these languages into low-level machine languages. Assembly language is a low-level language that is one step above machine language in terms of technicality.
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which network communication method requires a dedicated path between 2 hosts before data can be transmitted?
The method requires a dedicated path between 2 hosts before data can be transmitted is called packet switching.
What is packet switching?By using packet switching, small amounts of data can be sent among both various networks. These "packets" of data allow for faster and more effective data delivery. A file is oftenly sent across an intranet in smaller data packets instead than all at once when a user transmits it. The internet runs on packet switching, which involves sending and receiving data packets for both devices over a shared network. You could receive a webpage from the school's web server over the internet, for illustration, or you could email a partner.
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why cyber security is not solely a concern that should be left to the it department.
IT security, which covers all facets of protecting digital and physical data, is another area of information technology. The study of cybersecurity is highly specific. Cybersecurity is concerned with protecting computer systems, networks, and data from unauthorized intrusions and cyberattacks.
Information technology security entails safeguarding data, particularly when it is being processed. Data and system manipulation by unauthorized third parties is something that IT security is designed to stop. Confidentiality, integrity, and availability are three fundamental security ideas that are crucial to information on the internet. Authentication, authorisation, and nonrepudiation are terms referring to the individuals who use such information. The three main categories of IT security, however, are network, end-point, and internet security (the cybersecurity subcategory). Generally speaking, these three types serve as a general framework for all other types of IT security. Preventing system and data availability, integrity, and confidentiality breaches is one of information security's three main objectives.
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what's the correct sorting function to list colors in alphabetical order
Data may be sorted in a variety of ways by selecting the Sort option from the Data menu item. After that, we may sort by font color or cell color using the Sort On drop-down box. These two strategies are quite beneficial for color sorting.
Text should be sorted in ascending order. Sorting can be used to organize a list of names alphabetically, to construct a list of product inventory levels from highest to lowest, or to arrange rows based on colors or icons. The quickest approach to arrange alphabetically in Excel is as follows: Choose any cell in the column to sort. Click A-Z to sort ascending or Z-A to sort descending on the Data tab's Sort and Filter group. The present ISO basic Latin alphabet is written in the following order: A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z. Names should always be alphabetized by the first letter of the last name. A comes before B, and so forth. If the initial letters of the last name are identical, arrange by the second letter. Douglas Adams is placed before Isaac Asimov on my bookcase since d comes before s alphabetically.
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What is third party services?
Third party services with entity refers to services that are provided by a third party (outsider) to an entity (business, organization, or individual).
What is entity?Entity is a distinct, separate, and identifiable object. It can refer to a physical object, such as a person, place, thing, or event, or to a conceptual object, such as a corporation, society, or currency. Entities are often used in databases to store and manage information. Examples of entities include customers, products, employees, suppliers, accounts, orders, and invoices. Entities may have relationships with each other, such as one-to-one or one-to-many. Entities may also have attributes, such as names, addresses, phone numbers, or dates.
These services may include software development, website hosting, data processing, customer service, marketing, accounting, and other related services. The third party may be an independent contractor or a business that specializes in providing services to the entity. This type of service is often more cost-effective than hiring staff to do the job.
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Advanced hardware lab 1-3: identify parts inside a laptop and all-in-one computer.
Advanced Hardware Lab 1-3 involves identifying the different parts inside a laptop and an all-in-one computer. Both a laptop and an all-in-one computer have several components that work together to create a functional computing system.
A laptop typically has the following components:
Keyboard: used for inputting data into the computer.
Touchpad: used for controlling the cursor on the screen.
Screen: displays the output from the computer.
Processor: the brain of the computer that processes data and performs calculations.
Hard drive: stores data and programs.
RAM (Random Access Memory): temporary storage for data and programs that are in use.
Battery: provides power to the laptop when not connected to an electrical outlet.
Ports: connect the laptop to other devices, such as an external hard drive or a printer.
An all-in-one computer also has similar components, but they are housed in a single unit that combines the monitor and computer components into one package. In addition to the components listed above, an all-in-one computer may also have the following components:
Graphics card: processes and displays images and videos.
Sound card: processes and outputs sound.
Optical drive: reads and writes CDs and DVDs.
Network card: connects the computer to a network and the internet.
In conclusion, identifying the parts inside a laptop and an all-in-one computer is important for understanding the functionality and architecture of a computing system. Both laptops and all-in-one computers have similar components, but all-in-one computers may have additional components that are integrated into the single unit. Understanding the components inside a computer can help users diagnose problems, upgrade components, and optimize performance.
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What replaced Microsoft DreamSpark?
Microsoft DreamSpark was replaced by Microsoft Imagine in 2016.
What is Microsoft DreamSpark?
Microsoft DreamSpark was a program offered by Microsoft that provided students and educators with free access to Microsoft software development tools and platforms for learning, teaching, and academic research purposes. The program was designed to support technical education and entrepreneurship among students, by providing access to popular Microsoft products such as Visual Studio, Windows, and other development tools, for free or at a low cost.
Microsoft DreamSpark was replaced by Microsoft Imagine. The reason for the change was to align the program's focus and branding with other Microsoft initiatives and programs that support student technology education and entrepreneurship.
Microsoft Imagine provides access to Microsoft software development tools, platforms, and resources for students and educators to learn, build, and design technology solutions. It offers similar benefits as DreamSpark, including free access to Microsoft software for educational use, but with a broader range of offerings and a more comprehensive program for student technology education and innovation.
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the abernathy–clark model offers one explanation why incumbents may outperform new entrants in the face of some ""radical"" innovations
This model suggests that incumbents tend to have a number of advantages over new entrants when it comes to introducing new innovations.
What is the innovations?
Innovation is the process of creating something new and improved. It involves coming up with groundbreaking ideas, products, services and solutions that add value to society and enhance people’s lives. Innovations can range from small, incremental changes to large-scale, disruptive breakthroughs. They can be technological, organizational, or process-related, and can span any industry from healthcare to education to agriculture. Innovation goes beyond invention as it requires turning ideas into tangible products or services that can be used in the real world. Innovation drives progress and creates economic growth, which is why it is a key component for successful businesses and organizations.
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What protocol is used to translate MAC layer addresses into numeric IP addresses?
The correct answer is address Resolution Protocol (ARP) that mainly requires as protocol to translate MAC layer addresses into numeric IP addresses.
What is MAC Layer addresses?
An exclusive identification code given to a network interface controller to be used as a network address in communications inside a network segment is called a media access control address. Ethernet, Wi-Fi, and Bluetooth are just a few of the IEEE 802 networking technologies that frequently employ this application.
ARP is the answer which assists in determining the MAC address provided by the IP address of the device present on the network.
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the guidance system of a ship is controlled by a computer that has three major modules. in order for the computer to function properly, all three modules must function. two of the modules have reliabilities of .95, and the other has a reliability of .99. a. what is the reliability of the computer? (round your answer to 4 decimal places.) b. a backup computer identical to the one being used will be installed to improve overall reliability. assuming the new computer automatically functions if the main one fails, determine the resulting reliability. (round your intermediate calculations and final answer to 4 decimal places.) c. if the backup computer must be activated by a switch in the event that the first computer fails, and the switch has a reliability of .97, what is the overall reliability of the system? (both the switch and the backup computer must function in order for the backup to take over.) (round your intermediate calculations and final answer to 4 decimal places.)
Computer reliability, in its simplest terms, means your machine works as expected
What is an example of dependability in a computer?Last copy recall is an example of a high reliability attribute, which means that as long as at least one copy of a message is accessible at any of the receivers, every other recipient who does not fail ultimately receives a copy as well.
In its most basic form, computer dependability implies that your machine performs as intended. After pressing the power button, the computer screen illuminates, and the operating system, applications, and apps work normally. Dependability measures may be used to calculate reliability. Reliability is the study of ensuring the proper operation of computer systems even when individual hardware and software components fail.
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what type of address is the destination hardware address? what network interface does the address define?
The destination hardware address is a MAC address.
A MAC (Media Access Control) address is a unique identifier assigned to a network interface card (NIC) for a networked device. It is used to identify the device and enable communication on a network. MAC addresses are composed of six groups of two hexadecimal digits and are typically written in the format XX:XX:XX:XX:XX:XX.
The destination hardware address is a MAC address. It defines the network interface of the device it is addressing (e.g. Ethernet card, Wi-Fi adapter, etc.). The MAC address is a unique identifier assigned to a network interface card (NIC) by the manufacturer. It is used to uniquely identify a device on a network so that data can be sent to the correct destination.
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if quantity x is conserved for a certain system and during a certain process, that means__________.
If Quantity X for a given system and process is conserved, it means that during the process, Quantity X for that system does not change in any way.
A system is an arrangement of parts or elements that serve the same function. The phrase is used to both describe the structure or plan itself (and is related to the word method in meaning, as in "I have my own little system") and the various components that make up the system (as in "computer system").
A computer system is made up of software components or programs that run on the computer and hardware components that have been carefully selected to perform well together.
A computer's operating system, which controls and offers services to other programs that can run on it, is the primary piece of software.
A group of files that have been planned out into a filing system (for example, alphabetical by customer).
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bertha fox, one of your long-time clients, calls and asks how to track payments made to 1099 vendors.
The best way to track payments made to 1099 vendors is to keep accurate records of each payment. Make sure to include the name of the vendor,the date of the payment,the amount,and the method of payment.
What is vendors?
Vendors are a type of business entity that provides goods or services to customers. They are typically independent contractors or small business owners who offer products or services in exchange for money. In some cases, vendors may work as representatives for larger companies and act as intermediaries between the companies and the customers. Vendors can be found in many different industries and serve as an important link between customers and companies. For example, a vendor may provide food and beverages to restaurants, provide parts to car repair shops, or offer marketing and advertising services to small businesses. Vendors often specialize in specific products or services, and they are typically responsible for the upkeep and maintenance of their products and services.
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What is the connection between self-concept and communication?
The study of interpersonal communication focuses on communication between two persons in close relationships (NCA, nod). Each of us must first establish personal communication.
What is self-concept?The idea that a person has about themselves, including their characteristics and notions of who they are as a person. In his book on the subject from 1979, Rosenberg provided a similar definition of self-concept as "the entirety of an individual's thoughts and feelings bearing reference to himself as an object."Self-concept is how we view our actions, skills, and distinctive qualities. 1 Examples of beliefs that make up a person's general self-concept include "I am a nice friend" and "I am a compassionate person." We separate the four key conceptual building blocks that make up the diverse self-presentational selves. These include the ideal self, the actual or behavioral self, the public self, and the self-concept.To learn more about self-concept refer to:
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What method is the most common way to select multiple cells?
Answer:if were talking about word here you go
To select a range, select a cell, then with the left mouse button pressed, drag over the other cells. Or use the Shift + arrow keys to select the range. To select non-adjacent cells and cell ranges, hold Ctrl and select the cells.
Explanation:
you are in the corporate break room and overhear a discussion by your it colleagues. they're using terms like mttr and mtbf. which subject do you think they're discussing
They are most likely discussing Mean Time To Repair (MTTR) and Mean Time Between Failures (MTBF).
What is Mean Time To Repair (MTTR) and Mean Time Between Failures (MTBF).?Mean Time To Repair (MTTR) is a measure of the average time it takes to repair a broken system or component. It is calculated by dividing the total downtime of a system or component, by the number of repairs performed. Mean Time Between Failures (MTBF) is a measure of the average time between system or component failures. It is calculated by dividing the total operating time of a system or component, by the number of failures it experiences. MTTR and MTBF are important metrics for understanding the reliability of a system or component, and for predicting the cost of maintenance over a given period of time. MTTR and MTBF are typically used in conjunction with each other to ensure a system or component is running optimally and to help identify potential areas for improvement.
They are most likely discussing Mean Time To Repair (MTTR) and Mean Time Between Failures (MTBF). MTTR is the average time it takes to repair a system or component, while MTBF is the average amount of time a system or component can be expected to last before failing. The IT colleagues are likely discussing the performance and reliability of various components and systems in the corporate environment.
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what do you think is the goal of a ping flood attack? why would someone use this type of attack vector? think about the types of hackers on the internet (authorized and unauthorized).
think about the types of hackers on the internet (authorized and unauthorized
A Ping Flood attack is an unauthorized attack vector used by malicious hackers to overwhelm a target system with ICMP echo request packets (aka ping packets).
What is unauthorized?Unauthorized is when a person or entity acts without permission or authorization to do something, often in contravention of established rules or regulations.
The goal of the attack is to overwhelm the target system with so many packets that it becomes unable to respond to legitimate traffic, resulting in a denial of service (DoS) attack. By flooding the target with so many packets, the hacker can effectively prevent the target system from being able to communicate with other systems on the network, denying the intended user access to the system. This type of attack is often used by malicious hackers to disrupt a network or system for their own malicious purposes, such as preventing someone from connecting to a server, disrupting a website or disrupting the operations of a business.
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What is the main difference between analog and digital technology?
The main different between analog and digital technology is that digital technology use discrete signals as on/off representing binary format. In the other side, Analog Systems use continuous signals with varying magnitude.
In computer and technology, Digital technologies generally can be defined as an electronic tools, systems, devices and resources that generate, store or process data. There are several examples of digital technology, such as i social media, online games, multimedia and mobile phones. While analog system generally can be defined as A system that uses continuous time signal for processing is known as an analog system. The analog signals or continuous time signals also can be described as the signals whose magnitude continuously changes with time.
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Generally speaking, annual bluegrass has a lighter green color than kentucky bluegrass.a. Trueb. False
Generally speaking, annual bluegrass has a lighter green color than kentucky bluegrass. The statement is True.
Annual bluegrass (Poa annua) and Kentucky bluegrass (Poa pratensis) are two common species of grass found in lawns and turfgrass. They have some differences in appearance, including the color of their foliage.
Kentucky bluegrass is known for its dark green color, which is a result of its high chlorophyll content. This species also has a dense, fine-textured foliage that forms a thick mat on the ground. Kentucky bluegrass is known for its ability to thrive in cool, moist climates and its good tolerance to shade.
On the other hand, annual bluegrass has a lighter green color, which is a result of its low chlorophyll content. This species also has a thinner, coarser texture than Kentucky bluegrass, and is less dense. Annual bluegrass is known for its ability to germinate and grow quickly in warm, moist climates, and its good tolerance to drought conditions.
In conclusion, the difference in color between annual bluegrass and Kentucky bluegrass is due to the difference in chlorophyll content between the two species. While Kentucky bluegrass has a dark green color, annual bluegrass has a lighter green color, which is a result of its lower chlorophyll content.
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the iscs-xxxx class range consists of how many nodes?
iscs-xxxx class range consists of how many nodes
The iscs-xxxx class range consists of 4 nodes.
What is range?Range is the difference between the highest and lowest values in a set of data. It is a measure of dispersion, indicating how widely values in the data set vary. Range can be used to measure variability in continuous data (such as income, height, weight, temperature, etc.) as well as discrete data (such as test scores, ages, amounts of money, etc.). The range is calculated by subtracting the lowest value in the data set from the highest value in the data set. The range is a good measure of variability when there are no extreme values in the data set. It is also useful when comparing two data sets with different numbers of values.
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what is scheduling technique in os
Scheduling technique in OS is the process of deciding which processes should be allocated operand CPU time in order to optimize system performance and resource utilization. It is an essential part of Operating System design.
Scheduling technique in OS is the process of deciding which processes should be allocated CPU time in order to optimize system performance and resource utilization. It is an essential part of Operating System design. Scheduling algorithms determine the order in which processes should be executed. Various criteria such as CPU utilization, response time, turnaround time, and throughput are considered when making scheduling decisions. Scheduling algorithms are usually categorized according to their scheduling policies, such as preemptive and non-preemptive. Preemptive scheduling allows the CPU to be switched from one process to another at any time, whereas non-preemptive scheduling allows only voluntary context switches. Multilevel queues and scheduling classes are also used for scheduling purposes. The main aim of scheduling techniques is to ensure that all processes are executed efficiently and fairly, and that resource utilization is maximized.
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speech recognition does which of the following to understand your meaning?
A. Synthesizes phonemes
B. Considers context
C. Uses two-factor authentication
D. Analyzes phonemes
B. Considers context is a crucial part of speech recognition to understand the meaning. In order to accurately recognize speech, speech recognition systems need to consider context
Speech recognition is the process of converting spoken language into text. In order to accurately recognize speech, speech recognition systems need to consider context. Context refers to the surrounding words, phrases, and sentences that provide context to the spoken language. This can help the system to determine the intended meaning of the speech and improve its accuracy.
For example, the word "bank" can mean a financial institution or a river bank. In order to determine which meaning is intended, the system needs to consider the context in which the word is used. If the context is related to financial transactions, the system will recognize "bank" as a financial institution, while if the context is related to the outdoors, the system may recognize "bank" as a river bank.
Synthesizing phonemes refers to the process of generating speech-like sounds from text, while analyzing phonemes refers to the process of breaking speech down into individual sounds. Two-factor authentication refers to an authentication method that requires the presentation of two pieces of evidence, such as a password and a security token, in order to access a system. None of these processes are directly related to understanding the meaning in speech recognition.
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What value is displayed as a result of executing the code segment?
The result of executing the code segment will depend on the values of the variables that are being used.
For example, if the code segment is "result = x + y", and x has a value of 7 and y has a value of 20, then the result of executing the code segment would be 27.
However, if the values of x and y were changed to 3 and 17 respectively, the result of executing the code segment would change to 20.
It is also important to consider the type of the variables when working with code segments. For instance, if the variables used in the code segment are of type "int" (integer), the result of the code segment will be of type "int" as well. If the variables are of type "float" (floating-point number), the result of the code segment will be of type "float".
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Look up ""the paper that started the study of computer security."" Prepare a summary of the key points. What in this paper specifically addresses security in previously unexamined areas?
The paper that started the study of computer security. Prepare a summary of the key points.
The Comprehensive Error Rate Testing program is described in this instructional guide, which was created by the Outreach & Education Task Force to inform clinicians on how to write medical records correctly and persuasively.
The program was put in place by the Centers for Medicare & Medicaid Services to track erroneous payments made under the Medicare Fee-for-Service program.
This tool examines a random sample of all Medicare FFS claims to evaluate whether the provider or supplier who submitted the claim by letter had supporting documentation. Professionals in the medical review then examine the submitted documentation to determine whether the claim was appropriately paid or refused.
To guarantee that claims are supported as billed, providers must submit sufficient proof.
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Do client based e-mail accounts require a special program called an e-mail client to be installed on your computer?
Yes, client based e-mail accounts typically require a special program called an e-mail client to be installed on the computer in order to access the account.
What is program?Program is a set of instructions that are written in a particular language that can be executed on a computer or other device. It is a sequence of instructions that a computer can understand and execute to perform a task or a set of tasks. A program can be written in various languages, including C++, Java, Python, etc. It is a way to tell a computer what to do, with the help of algorithms, data structures and syntax. Programmers write programs to solve complex problems that would otherwise be impossible for humans to solve manually. The output of a program can be data or a graphical presentation. Programmers use debugging and testing tools to ensure that the program runs properly and produces the expected output.
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what is the data type of the return value of the string class substring() method with one parameter? (1 point)
Explanation:
Return Value: This method will return the substring which begins from startIndex and continues to the end of the string. The return value type is System.
Consider a simplified program, where we can ONLY draw circles and rectangles on the canvas (no need to consider other shapes). Choose one of these languages: C++/C#/Java, and write down some pseudo-codes (i.e. doesn’t need to be grammatically accurate) for the following questions.
1. Define two classes for a Circle and a Rectangle. For both classes, we would also like to know where the center of the circle/rectangle is, and be able to get the area of the circle/rectangle.
The Rectangle/Circle class and the Shape class have an Inheritance connection.
The Shape class should be declared as abstract.
(a) Circle class
private int a, b; / coordinates of the centre
personal double radius
Circle(int a, int b, double radius) public
a = this.a;
b = this.b;
radius = this.radius;}
return a; public int obtainA();
return b; public int acquire();
get public duplicate
Area() yields 3.14 * radius * radius;}Rectangle class
private int a, b; / coordinates of the centre
private width and height;
C++/C#/Java
public Rectangle(double width, double height, int a, int b)
a = this.a;
b = this.b;
width = this.width;
height = this. height;}
return a; public int obtainA();
obtainB() public int return b
get public duplicate
Return width * height from Area();}
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What is the definition of big data?
Explanation:
extremely large data sets that may be analysed computationally to reveal patterns, trends, and associations.
listen to exam instructions as the director of procurement for your company's sales department, you are working with the it manager and cio to determine the technical requirements for purchasing new laptops for your sales representatives. the sales representatives often store a significant number of multimedia files (such as videos) on their laptops, which they use for customer education and demonstration purposes. they also want to boot their windows operating system quickly. what would be the best price-performance purchasing decision when it comes to providing storage media for the new laptops for the sales representatives (based on their requests)? answer an hdd for the operating system with an external ssd for the multimedia files. an ssd for the operating system and an hdd for storing multimedia files. an hdd for both the operating system and multimedia files. an ssd for both the operating system and the multimedia files.
An SSD for the operating system and an HDD for storing multimedia files.
What data storage mechanism does an SD card employ?An SD card has a high data transfer rate and a low energy usage, which are both important factors in portable devices. An SD card employs flash memory to offer nonvolatile storage, which means that it does not require a power source to maintain recorded data.
Floppy disks, optical discs—compact discs (CDs) and digital video discs (DVDs)—hard disk drives (HDD), flash drives, and solid-state drives (SSD) are examples of DAS devices. Flash drives and SSDs are the most efficient physical ways to backup your system. Flash drives and solid state drives employ flash technology to rapidly write and retrieve data, allowing for fast backups.
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