how can an algorithm be described in which the work it does grows as a function of the square of the problem size?
Answers
The algorithm be described as : quadratic
About Time-Complexity:
Your program is functional, but it runs too slowly. Or perhaps your neat little piece of code is running just fine, but slower than that other, longer one. In computer science, the Big-O notation is frequently used to describe the efficiency or complexity of an algorithm. Practically speaking, it serves as a gauge to determine whether your function is effective and whether it needs to be improved.
As you continue your education, time-complexity will play a bigger role in your development environment. You'll eventually be able to evaluate your software and determine which programs fit into which time complexity categories (constant, linear, quadratic, exponential, logarithmic). To better understand how Time-Complexity works in your code and in real life, we'll be breaking down the fundamentals in this guide.
O(N²) — Quadratic Time:
An algorithm with quadratic time complexity has performance that is squarely correlated with the size of the input data set (think of Linear, but squared). This temporal complexity will appear in our applications anytime we nest over numerous iterations in the data sets.
Let's look at the cards again. How to eliminate all the cards with the same number if, for example, you chose the first card in the deck. You would need to go through the deck and eliminate any duplicate cards. You would repeat the process with the next card, the next, and so on until you reached the last card in the deck after you were certain that all the duplicates had been eliminated. An illustration of quadratic time complexity is this.
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Related Questions
Hey, can you guys please help me please??
Answers
Answer:
17
Explanation:
(3*5) + (1+1) = 17
Explain how to accept a spelling correction suggested by the Spelling task pane:
Answers
Click the correct spelling Suggestions list in the Editor's pane. Hope this helped!
Type the correct answer in the box. Spell all words correctly.
What do modern CPUs use to simulate the performance of multiple processors within one processor?
Modern CPUs use to simulate the performance of multiple processors within one processor?
Answers
Answer:
Modern CPUs contain multiple cores. Think of it as multiple smaller CPU's on the single CPU chip. The multiple cores can handle different processes in parallel allowing for multiple programs to be running at the same time. This is not considered true multi-processing since the architecture still has a single I/O bus and can be subject to a single point of failure. But the operating system will take advantage of the additional cores as if they were multiple physical CPU's - enhancing performance and productivity.
Explanation:
Authentication is concerned with determining _______.
Answers
Authentication can be described as the process of determining whether someone or something is, in fact, who or what it says it is. Authentication technology serves us to access control for systems by checking to see if a user's credentials match the credentials in a database of authorized users or in a data authentication server.
There are three basic kind of authentication. The first is knowledge-based — something like a password or PIN code that only the identified user would know. The second is property-based, meaning the user possesses an access card, key, key fob or authorized device unique to them. The third is biologically based.
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Find the maximum number of paths between any two vertices of a
tree.
Answers
The maximum number of paths between any two vertices of a tree can be determined using the formula `n(n-1)/2A tree is a connected graph having no encryption cycles.
In a tree with `n` vertices, the maximum number of paths between any two vertices can be determined using the formula `n(n-1)/2`. This formula is derived as follows: For a given vertex, there are `n-1` vertices that it can be connected to directly (excluding itself).
Therefore, the maximum number of paths from this vertex is `n-1`.Similarly, for each of the `n-1` vertices that are connected to the first vertex, there are `n-2` vertices that they can be connected to (excluding themselves and the first vertex). Therefore, the maximum number of paths from each of these vertices is `n-2`.Continuing this pattern for all `n-1` vertices, we get the following sum:`(n-1) + (n-2) + (n-2) + ... + 1 = (n-1) + ((n-2) + (n-3) + ... + 1) = (n-1) + ((n-2)(n-1)/2) = n(n-1)/2`Therefore, the maximum number of paths between any two vertices of a tree with `n` vertices is `n(n-1)/2`.
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Which hardware component interprets and carries out the instructions contained in the software.
Answers
Answer:
Processor
A processor interprets and carries out basic instructions that operate a computer.
which of the following must be true to remotely wipe your phone? the phone must have the correct app downloaded. the phone must be turned on. the phone must be connected to the internet. the phone must be associated with an email account.
Answers
Answer: the phone must be connected to the internet
Explanation:
how many microprocessers will a small computer have
Answers
Answer:
for what i know its one hope that helps
What is a user data?
Answers
Answer: Any data the user creates or owns.
Explanation:
the user being the one on the otherside of the computer, usually a human.
but examples of user data are intalled programs, uploads, word documents created by user (computer user)
giúp tớ với ạ :( tớ cảm ơn
Answers
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this question has to do with the different types of clouds. a family-run small store has determined that system and data security is not a high priority. which cloud computing option would likely be the best option? public cloud computing private cloud computing hybrid cloud computing vertical cloud computing horizontal cloud computing
Answers
If system and data security is not a high priority for a family-run small store, the best cloud computing option would likely be public cloud computing.
Public cloud computing involves using third-party cloud service providers to host and manage computing resources and data over the internet. Public clouds are designed to be scalable, flexible, and cost-effective, with resources shared among many customers to reduce costs. Since the cloud provider is responsible for the security and maintenance of the underlying infrastructure, the small store would not have to invest in expensive security measures or hire specialized IT personnel to maintain the system. This makes public cloud computing an attractive option for small businesses with limited budgets or IT expertise.
In contrast, private cloud computing involves hosting and managing computing resources and data in a dedicated, in-house infrastructure, which can be costly and require significant IT expertise. Hybrid cloud computing combines public and private clouds, while vertical and horizontal cloud computing are more specialized types of cloud architectures designed for specific industries or applications.
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If you do not specify what kind of variable you are creating, the default is what kind of variable?
String
Decimal
Integer
Alphanumeric
Answers
Answer:
Interger is the correct answer im pretty sure
Explanation:
Answer:
Interger
Explanation:
I got it right
What changes should be made in OSI model(Open System Interconnection).
Answers
Answer:
Explanation:
When most non-technical people hear the term “seven layers”, they either think of the popular Super Bowl bean dip or they mistakenly think about the seven layers of Hell, courtesy of Dante’s Inferno (there are nine). For IT professionals, the seven layers refer to the Open Systems Interconnection (OSI) model, a conceptual framework that describes the functions of a networking or telecommunication system.
The model uses layers to help give a visual description of what is going on with a particular networking system. This can help network managers narrow down problems (Is it a physical issue or something with the application?), as well as computer programmers (when developing an application, which other layers does it need to work with?). Tech vendors selling new products will often refer to the OSI model to help customers understand which layer their products work with or whether it works “across the stack”.
Layer 7 - Application
To further our bean dip analogy, the Application Layer is the one at the top--it’s what most users see. In the OSI model, this is the layer that is the “closest to the end user”. It receives information directly from users and displays incoming data it to the user. Oddly enough, applications themselves do not reside at the application layer. Instead the layer facilitates communication through lower layers in order to establish connections with applications at the other end. Web browsers (Google Chrome, Firefox, Safari, etc.) TelNet, and FTP, are examples of communications that rely on Layer 7.
Layer 6 - Presentation
The Presentation Layer represents the area that is independent of data representation at the application layer. In general, it represents the preparation or translation of application format to network format, or from network formatting to application format. In other words, the layer “presents” data for the application or the network. A good example of this is encryption and decryption of data for secure transmission - this happens at Layer 6.
Answer:
go darlin
Explanation:
bhhwbuwqdybquyiqyiuydwbuqiwdbyuqwudyb,
Answers
Answer:
The cell state splitter is a membraneless organelle at the apical end of each epithelial cell in a developing embryoThe cell state splitter is a membraneless organelle at the apical end of each epithelial cell in a developing embryoThe cell state splitter is a membraneless organelle at the apical end of each epithelial cell in a developing embryoThe cell state splitter is a membraneless organelle at the apical end of each epithelial cell in a developing embryo
Answer:
butter
Explanation:
(True/False) Using the pthreads API, threads belonging to separate processes cannot share variables.
Answers
Using the pthreads API, threads belonging to separate processes can share variables. This statement is false.
The pthreads API provides a standard way for the creation and management of threads. Threads are lightweight and are created using the pthread_create() function. Once a thread is created, it runs independently of the main program and other threads that may be running. The pthreads API allows for thread synchronization, which is necessary when multiple threads are accessing shared resources. This ensures that only one thread has access to the resource at any given time.Each thread has its own stack, but the heap is shared between threads. This means that variables created on the stack are local to that thread and cannot be accessed by other threads.
However, variables created on the heap can be accessed by other threads. This can be useful for sharing data between threads. However, this also requires synchronization to ensure that only one thread is accessing the shared data at any given time.In summary, threads belonging to separate processes cannot share variables using the pthreads API. However, threads within the same process can share variables, but proper synchronization is required to ensure that data is not corrupted.
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Type the correct answer in the box. Spell the word correctly.
Which programming language completes the sentence?
Translators convert code written in a high-level language to the ___
that the computer processor can execute.
Answers
Translators convert code written in a high-level language to the machine language.
Answer:
compiler
Explanation:
1. what are two advantages of encrypting data stored in the database?
Answers
Encrypting data stored in a database offers two key advantages: enhanced data security and compliance with data protection regulations. Encryption ensures that sensitive information remains confidential even if the database is compromised.
It also helps organizations meet regulatory requirements by safeguarding personal and sensitive data. Encrypting data stored in a database provides two significant advantages: enhanced data security and compliance with data protection regulations.
1. Enhanced Data Security: Encryption adds an extra layer of protection to the data stored in a database. It transforms the information into an unreadable format using cryptographic algorithms, making it inaccessible to unauthorized individuals even if they gain unauthorized access to the database. By encrypting data, organizations can mitigate the risk of data breaches and unauthorized disclosure of sensitive information. Encryption helps prevent data leaks and protects valuable assets, intellectual property, financial records, and customer data from unauthorized access.
2. Compliance with Data Protection Regulations: Many industries and jurisdictions have strict data protection regulations, such as the General Data Protection Regulation (GDPR) in the European Union and the Health Insurance Portability and Accountability Act (HIPAA) in the healthcare sector. These regulations require organizations to implement appropriate security measures to protect personal and sensitive data. Encrypting data stored in the database is often a requirement to ensure compliance with such regulations. Encryption provides organizations with a means to demonstrate that they have taken the necessary steps to protect data and maintain privacy.
In summary, encrypting data stored in a database offers advantages in terms of data security and regulatory compliance. It helps protect sensitive information from unauthorized access, reduces the risk of data breaches, and ensures compliance with data protection regulations. By implementing encryption, organizations can strengthen their overall data protection strategy and instill trust among their stakeholders, including customers, partners, and regulatory bodies.
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in a role based access control system, a role can only have one permission assigned to it.
true/false
Answers
In a role-based access control (RBAC) system, a role can have multiple permissions assigned to it. Therefore the given statement is false.
RBAC is a widely adopted access control model where permissions are associated with roles, and roles are then assigned to users. The purpose of RBAC is to simplify access control management by grouping users with similar responsibilities into roles and assigning permissions to those roles.
In RBAC, a role represents a set of related privileges or permissions that define what actions a user assigned to that role can perform within a system or organization. Permissions, on the other hand, are the specific actions or operations that users with the corresponding role are allowed to carry out.
It is common for a role in RBAC to have multiple permissions associated with it. This allows for flexible access control, as different roles can be created to accommodate various levels of access and responsibilities within an organization. By assigning multiple permissions to a role, RBAC enables more fine-grained control over user privileges based on their assigned roles.
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how do you play pokemon go
Answers
Answer:
download the app then tap your screen for the rest of your life
(And I'm being serious)
Question 26 (5 points) Make ONE malware example for each of the following malware categories. Then,
explain how each of these examples works: a. Imprison b. Launch c. Snoop d. Deceive e. Evade
Answers
a. Ransomware, a type of malware, falls under the imprison category. It encrypts files, demands ransom, and provides a decryption key upon payment.
b. Botnets, a type of malware, fall under the launch category. They create networks of infected computers used for coordinated attacks.
c. Keyloggers, a type of malware, fall under the snoop category. They record keystrokes to capture sensitive information.
d. Phishing malware falls under the deceive category, imitating legitimate websites to trick users into revealing personal information.
e. Rootkits, a type of malware, fall under the evade category. They modify operating systems to hide their presence from security software.
a. Imprison: An example of malware that falls under the imprison category is ransomware. Ransomware encrypts the victim's files, making them inaccessible, and demands a ransom in exchange for the decryption key. Once the victim pays the ransom, the attacker provides the decryption key to unlock the files. Ransomware can be distributed through malicious email attachments or infected websites.
b. Launch: A type of malware that falls under the launch category is a botnet. A botnet is a network of infected computers controlled by a central command and control server. The malware infects computers, turning them into "zombies" that can be used to launch coordinated attacks, such as DDoS (Distributed Denial of Service) attacks. The command and control server sends instructions to the infected computers, directing them to launch attacks on targeted systems.
c. Snoop: Keyloggers are an example of malware that falls under the snoop category. Keyloggers record keystrokes made by a user on their computer or device. This allows the attacker to capture sensitive information such as passwords, credit card numbers, or personal messages. Keyloggers can be delivered through infected websites, phishing emails, or malicious downloads.
d. Deceive: Phishing malware is an example of malware that falls under the deceive category. Phishing malware imitates legitimate websites or services, tricking users into entering their sensitive information, such as usernames, passwords, or credit card details. The attacker then uses this information for identity theft or financial gain. Phishing malware can be delivered through emails, social media messages, or malicious links.
e. Evade: Rootkits are an example of malware that falls under the evade category. Rootkits modify the operating system to hide their presence and evade detection by security software. They can alter system files, processes, or drivers, making it difficult for antivirus software to detect or remove them. Rootkits are typically installed through vulnerabilities in software or by exploiting security weaknesses.
It is important to note that these are just examples, and there are many variations and subcategories within each malware category. The examples provided give you an idea of how each category works, but it's essential to stay vigilant and use security measures to protect against these threats.
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in the queuing model, assume everything else being equal, a system with multiple servers but one waiting line on average has longer waiting time than a system with multiple servers and multiple waiting lines. group of answer choices true false
Answers
in the queuing model, assume everything else being equal, a system with multiple servers but one waiting line on average has longer waiting time than a system with multiple servers and multiple waiting lines. it is false.
In a queuing model, assuming everything else is equal, a system with multiple servers and multiple waiting lines can actually have longer waiting times than a system with multiple servers and a single waiting line.
This is because in a multiple waiting line system, customers may choose to join the shortest queue, which may result in some servers being underutilized while others are overutilized. As a result, customers may end up waiting longer in some queues than in others .In contrast, in a single waiting line system, customers are served in a first-come, first-served (FCFS) order, which can result in a more balanced utilization of servers and shorter waiting times overall.
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Can you see who tries to access a password-protected file, but does not put in the password?
Answers
Yes/no
Explanation:
Depending on the person.
Yes, if your cousins,parents,etc have opened it.
No, if people like hackers have done it.
Which of the following occupations is the most likely to require working
weekends and night shifts?
A.software developer
B.computer programmer
C.web designers
D.computer support specialist
Answers
Answer:
D
Explanation:
Tim is trying to explain to his aunt how her computer works, but she does not understand what a CPU does. Which description will most likely help Tim’s aunt understand the CPU’s role?
Answers
Answer:
CPU is considered as the brain of the computer. CPU performs all types of data processing operations. It stores data, intermediate results, and instructions (program). It controls the operation of all parts of the computer.
Explanation:
Answer:
The CPU processes commands from software.
Explanation:
Learned on edge
Create an infographics using the Word Processing Software, informing the audiences about internet safety practices.
Answers
Here is a suggested infographic on internet safety practices using Microsoft Word:
[A Word document shows the following infographic:]
Staying Safe Online
Protect your personal information. Never share your name, address, phone number, passwords, or Social Security Number on social media or public websites.
Be wary of phishing emails and malicious links. Never click links or download attachments from unknown or untrusted sources. Legitimate companies will not ask for sensitive data via email.
Use strong and unique passwords. A strong password contains a minimum of 8 characters, a mix of letters, numbers and symbols, and is not based on personal information. Use different passwords for different online accounts.
Be cautious of what you post. Anything you post online can potentially last forever. Do not post anything that you would not want seen by anyone.
Turn on two-factor authentication whenever possible. This adds an extra layer of security for your accounts like email, social media, and cloud storage services.
Ensure all devices and software are up to date. Install the latest updates to keep security patches current to protect against threats.
Be wary of public Wi-Fi networks. Public networks are not secure and all your online activity and information can be visible to others. Avoid conducting sensitive activities on public Wi-Fi.
Signal for help if anything suspicious happens. If you notice any suspicious activity on your accounts or devices, changing passwords or unauthorized logins, report it immediately to the concerned companies and consider filing a police report.
Online privacy and security is a shared responsibility. Be proactive and spread awareness about internet best practices to help keep everyone safe online. Together, we can make the internet a safer place!
Does this infographic look okay? I tried to highlight some key best practices around protecting personal information, using strong passwords, being cautious of what is posted online, enabling two-factor authentication, keeping software up to date, avoiding public Wi-Fi and knowing how to get help if needed. Please let me know if you would like me to modify anything in the infographic. I can also suggest some other topics or formatting styles if required.
A brief overview of some important internet safety practices that you can include in your infographic using the Word Processing Software is given.
How to explain the informationUse strong passwords: Use a combination of uppercase and lowercase letters, numbers, and symbols in your passwords, and avoid using personal information.
Enable two-factor authentication: Two-factor authentication provides an extra layer of security by requiring a second form of authentication in addition to your password.
Be careful with personal information: Don't share personal information like your full name, address, phone number, or social security number online.
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counseling is considered urgent crisis counseling
Answers
Answer:
yes
Explanation:
How did tribes profit most from cattle drives that passed through their land?
A.
by successfully collecting taxes from every drover who used their lands
B.
by buying cattle from ranchers to keep for themselves
C.
by selling cattle that would be taken to Texas ranches
D.
by leasing grazing land to ranchers and drovers from Texas
Answers
The way that the tribes profit most from cattle drives that passed through their land is option D. By leasing grazing land to ranchers and drovers from Texas.
How did Native Americans gain from the long cattle drives?When Oklahoma became a state in 1907, the reservation system there was essentially abolished. In Indian Territory, cattle were and are the dominant economic driver.
Tolls on moving livestock, exporting their own animals, and leasing their territory for grazing were all sources of income for the tribes.
There were several cattle drives between 1867 and 1893. Cattle drives were conducted to supply the demand for beef in the east and to provide the cattlemen with a means of livelihood after the Civil War when the great cities in the northeast lacked livestock.
Lastly, Abolishing Cattle Drives: Soon after the Civil War, it began, and after the railroads reached Texas, it came to an end.
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More than ___ of organizations in the United States report that they are unprepared for even basic security attacks.
90%
30%
70%
50%
Answers
all the below are examples of plug-ins except adobe flash player java microsoft silverlight hushmail
Answers
All the below are examples of plug-ins except Hushmail (Option D).
What are plug-ins?A plug-in is a software component in computing that adds a specific feature to an existing computer application. When a program accepts plug-ins, it allows for customization. A plug-in is a piece of software that controls Internet material that is not meant to be processed by a browser.
Hushmail is a proprietary encrypted web-based email service that provides PGP-encrypted e-mail and vanity domain service. Hushmail adheres to OpenPGP specifications.
Hushmail secures attorney-client communications by encrypting emails and online forms. It is safe, secure, and trusted by legal experts all around the world. Hushmail is simple to install and use. Send your first encrypted email now, and in just a few minutes, you can set up a secure online contact form.
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A network administrator needs to keep the user id, password, and session contents private when establishing remote cli connectivity with a switch to manage it. which access method should be chosen?
Answers
The SSH access method should be chosen to keep the user id, password, and session contents private when establishing remote CLI connectivity with a switch to manage it.
What is an access method?
A computer's operating system component known as an access method is in charge of preparing data sets and sending them to particular storage locations. Examples from the mainframe world include Indexed Sequential Access Method (ISAM) and Virtual Storage Access Method (VSAM) (ISAM).
Software routines that open files, fetch data into memory, and write data to permanent storage, like a disk, make up an access method. Similar to device drivers in non-mainframe operating systems, access methods offer an application programming interface (API) for programmers to transport data to or from devices, but often offer a higher level of capability.
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