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JAVA For the code in which I implemented most of the quick select algorithm. Quick select is a O(n) time algorithm to find the nth smallest value in an (unordered list). The following recursive algorithm finds thenth smallest element with an index bewtween left and right in list: Code: Solution A multi-year effort to prevent hackers from altering computers while they boot up has largely failed because of lax application of preventive steps, researchers say, despite disclosures that flaws are being actively exploited. In the latest sign that the problem persists, researchers at the federally funded MITRE lab said this week that many customers of Intel still had not adopted revised security designs Intel distributed in March after the MITRE team found new vulnerabilities in the start-up process. That could mean many newer Windows computers remain exposed, the MITRE team said ahead of a presentation at the Black Hat security conference in Las Vegas next week. Intel’s point person on the issue, Bruce Monroe, said he did not know how many suppliers and computer makers had followed Intel’s recommendations. “We’re not privy to whether they’ve fixed it or not,” Monroe said. “We asked them to let us know.” The glitches illustrates how well-funded spying programs as those exposed by former National Security Agency contractor Edward Snowden can continue to succeed against targets that depend on a complex supply chain. Long before Snowden’s documents began appearing in the media, professional technicians and US officials were concerned about the vulnerabilities that left computers severely exposed as they are turned on. Years ago, then-US National Security Agency Director Keith Alexander privately urged the chief executives of major American technology companies to do something about the boot-up procedure known as the Basic Input/Output System, or BIOS..
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Bottom of Form
Top of Form
Bottom of Form
I have to create a matrix with unique pointers and do the following :
1.Matrix a, b
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3.Matrix d=a
4.Matrix e=a+b
Every element from matrix is a unique pointer. First, I have to create a class matrix with constructor destructor(rule of 5 if it is possible).
At first in main, I have to create 2 object a, b, Matrix type.
At 2.I have to create another object c that have as constructor the object b
3.to copy all element from matrix a to d
4.To add Matrix a with Matrix b and the sum to be copy in Matrix e
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Money and Our Monetary System
The monetary system in any economy facilitates trade and allows people to trade more
efficiently, as compared to a barter economy. In the United States, the monetary authority is the
Federal Reserve System (also referred to as the Federal Reserve, or informally, as the “Fed”.)
For this use the Fed’s website (http://www.federalreserve.gov/) when addressing the questions
below.
What are the requirements for something to be considered money? Why does the dollar have
value?
What does the money supply consist of and what are the respective amounts in the total money
supply for the United States?
What are the primary functions of the Fed? What role does the Federal Open Market Committee
(FOMC) play in our economy?
What role do the financial institutions (commercial banks and other institutions) play in our
financial system?
What is meant by the term “fractional-reserve banking” in our system? What are the implications
for consumers?
What are the tools available to the FED for controlling the money supply? Which are used most
often? Which are most effective?
How does the money multiplier help to determine the effects of monetary policy?
What are the pros and cons of using monetary policy, as opposed to the use of fiscal policy, for
implementing economic policies and practices?
Solution
Money is basically medium of exchange so for anything to be consideredd money there are three
eligibility criterias
It is a currency which is backed by a stable and sound government, other than that dollar has
value because it fulfills all the three criteria mentioned above. It is widely accepted which
provides good strength to its value.
It consist of M1 and M2(the definitions and details are copied from fedreserve site)
Money Stock Measures. Billions of dollars.
There are four primar functions of Fed
The role of FOMC is to make monetary policy for federal reserve stsrem which it could
implement in the U.S.
The most basic role of financial institutions is to provide circulate money in the economy and
facilitate liquidity. It enables the flow of economic activities and helps in spreading the effects of
implemented monetary policies.Table 1
Money Stock Measures. Billions of dollars.DateSeasonally adjustedNot seasonally adjustedM1
1M2 2M1 1M2 2Jan. 20142,688.411,033.82,697.511,058.9Feb.
20142,712.911,098.92,701.711,110.3Mar. 20142,746.111,153.52,768.711,235.4Apr.
20142,770.911,212.32,805.211,288.7May 20142,790.511,281.82,777.711,231.9June
20142,820.811,335.32,820.211,293.7July 20142,836.811,402.02,837.411,348.7Aug.
20142,807.411,438.72,786.111,379.9Sept. 20142,869.611,476.62,831.111,430.4Oct.
20142,874.011,528.62,860.411,496.4Nov. 20142,884.711,566.72,856.011,572.2Dec.
20142,927.311,636.42,985.211,717.4Jan. 20152,937.911,703.52,944.611,723.7Feb.
20152,985.111,800.12,976.111,812.2Mar. 20152,990.211,835.13,019.611,921.3Apr.
20152,995.611,888.03,032.411,970.7May 20152,989.811,923.92,973.111,873.0June
20153,015.311,970.63,017.011,926.7July 2015.
Investigators are conducting a cohort study to determine whether wom.pdf
Investigators are conducting a cohort study to determine whether women exposed to high levels
of exposure to electromagnetic fields are more likely to be depressed. Low socioeconomic
status is associated with 1) living near power lines and 2) depression. What type of bias or error
is most likely to result?
a. Selection bias
b. Nondifferential misclassification
c. Ecologic fallacy
d. Confounding
e. Random error
Solution
c. ecologic fallacy.
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INT 1010 05-1.pdf
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ghostsinthemachine2
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Final Research Project - Securing IoT Devices: What are the Challenges?
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IoT devices are quite a bit different from other internet-connected devices such as laptops and servers. They are designed with a single purpose in mind, usually running minimal software with minimal resources to serve that purpose. Adding the capability to run and update security software is often not taken into consideration.
Due to the lack of security integrated into IoT devices, they present significant risks that must be addressed. IoT security is the practice of understanding and mitigating these risks. Let’s consider the challenges of IoT security and how we can address them.
Some security practitioners suggest that key IoT security steps include:
1. Make people aware that there is a threat to security;
2. Design a technical solution to reduce security vulnerabilities;
3. Align the legal and regulatory frameworks; and
4. Develop a workforce with the skills to handle IoT security.
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1) Address each of the FOURIoT security steps listed above in terms of IoT devices.
2) Explain in detail, in a step-by-step guide, how to make people more aware of the problems associated with the use of IoT devices.
Bottom of Form
Top of Form
Bottom of Form
I have to create a matrix with unique pointers and do the following :
1.Matrix a, b
2.Matrix c(b)
3.Matrix d=a
4.Matrix e=a+b
Every element from matrix is a unique pointer. First, I have to create a class matrix with constructor destructor(rule of 5 if it is possible).
At first in main, I have to create 2 object a, b, Matrix type.
At 2.I have to create another object c that have as constructor the object b
3.to copy all element from matrix a to d
4.To add Matrix a with Matrix b and the sum to be copy in Matrix e
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https://www.techrepublic.com/article/how-to-secure-your-iot-devices-from-botnets-and-other-threats/
https://www.peerbits.com/blog/biggest-iot-security-challenges.html
https://www.bankinfosecurity.asia/securing-iot-devices-challenges-a-11138
https://www.sumologic.com/blog/iot-security/
https://news.ihsmarkit.com/press-release/number-connected-iot-devices-will-surge-125-billion-2030-ihs-markit-says
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The NSA's ANT Division has developed exploits that gain access to nearly every major software and hardware system. A leaked NSA catalog reveals exploits that burrow into products from Cisco, Huawei, Dell, Apple, Juniper Networks and more. ANT specialists are able to access networks and devices at all levels, from servers to individual computers and phones. The catalog lists the tools and their prices, ranging from free to $250,000, that allow extensive surveillance capabilities.
Cyber
This document provides definitions and context about cyberwarfare and the Stuxnet virus attack. It defines cyberwarfare as actions by a nation-state to penetrate another nation's computers or networks to cause damage or disruption. It then summarizes the Stuxnet virus, including that it targeted Iranian nuclear facilities, represented a new level of cyberthreat sophistication, and exposed vulnerabilities in critical infrastructure cybersecurity. Experts believe Stuxnet was part of a government-backed cyberattack but its origins remain uncertain.
IJWMN -Malware Detection in IoT Systems using Machine Learning Techniques
Malware detection in IoT environments necessitates robust methodologies. This study introduces a CNN-LSTM hybrid model for IoT malware identification and evaluates its performance against established methods. Leveraging K-fold cross-validation, the proposed approach achieved 95.5% accuracy, surpassing existing methods. The CNN algorithm enabled superior learning model construction, and the LSTM classifier exhibited heightened accuracy in classification. Comparative analysis against prevalent techniques demonstrated the efficacy of the proposed model, highlighting its potential for enhancing IoT security. The study advocates for future exploration of SVMs as alternatives, emphasizes the need for distributed detection strategies, and underscores the importance of predictive analyses for a more powerful IOT security. This research serves as a platform for developing more resilient security measures in IoT ecosystems.
MALWARE DETECTION IN IOT SYSTEMS USING MACHINE LEARNING TECHNIQUES
Malware detection in IoT environments necessitates robust methodologies. This study introduces
a CNN-LSTM hybrid model for IoT malware identification and evaluates its performance against
established methods. Leveraging K-fold cross-validation, the proposed approach achieved 95.5%
accuracy, surpassing existing methods. The CNN algorithm enabled superior learning model
construction, and the LSTM classifier exhibited heightened accuracy in classification.
Comparative analysis against prevalent techniques demonstrated the efficacy of the proposed
model, highlighting its potential for enhancing IoT security. The study advocates for future
exploration of SVMs as alternatives, emphasizes the need for distributed detection strategies, and
underscores the importance of predictive analyses for a more powerful IOT security. This
research serves as a platform for developing more resilient security measures in IoT ecosystems.
FinalResearch_95752_oliver
The document discusses security issues with internet of things (IoT) devices. It outlines vulnerabilities like the network effect, device mobility, and ubiquity. Most devices do not have security built into software or hardware. This allows vulnerabilities that can enable undesired surveillance, user profiling, or active intrusions with real world consequences. Potential solutions proposed are implementing security from the start (privacy by design) and establishing protocol and network security standards.
IRJET- Windows Log Investigator System for Faster Root Cause Detection of a D...
This document describes a Windows Log Investigator System that was created to help developers more easily detect the root cause of defects. The system uses a log analysis algorithm and backtracking to determine the type of defect and possible solutions. It has a graphical user interface built with C# and WPF to provide an interactive experience for analyzing logs. The system aims to significantly reduce the difficulties faced by developers in solving defects.
Whitepaper | Network Security - How to defend your Plant against the threats ...
Yokogawa offers a range of cyber-security solutions for control systems, including network security assessment, network and firewall design, PC/server and network device hardening, antivirus and patch management, backup and recovery systems, and network management systems. By seamlessly integrating these solutions with its proven control system solutions, Yokogawa is also aiming to meet its customers' needs for control system security management. Read more about Yokogawa’s approach to cyber security in this whitepaper.
Cehv8 module 01 introduction to ethical hacking
This module introduces ethical hacking and penetration testing. It discusses how ethical hackers play an important role in assessing network security vulnerabilities to help organizations strengthen their defenses against real attackers. The module covers key topics like hacking phases, essential security terminology, types of attacks, elements of information security, why ethical hacking is necessary, top attack vectors, skills of an ethical hacker, and the difference between hacking and ethical hacking. It aims to help students understand security concepts and the role of ethical hackers in enhancing security.
Intrusion detection systems for internet of thing based big data: a review
Intrusion detection systems for internet of thing based big data: a reviewInternational Journal of Reconfigurable and Embedded Systems
Network security is one of the foremost anxieties of the modern time. Over
the previous years, numerous studies have been accompanied on the
intrusion detection system. However, network security is one of the foremost
apprehensions of the modern era this is due to the speedy development and
substantial usage of altered technologies over the past period. The
vulnerabilities of these technologies security have become a main dispute
intrusion detection system is used to classify unapproved access and unusual
attacks over the secured networks. For the implementation of intrusion
detection system different approaches are used machine learning technique
is one of them. In order to comprehend the present station of application of
machine learning techniques for solving the intrusion discovery anomalies in
internet of thing (IoT) based big data this review paper conducted. Total 55
papers are summarized from 2010 and 2021 which were centering on the
manner of the single, hybrid and collaborative classifier design. This review
paper also includes some of the basic information like IoT, big data, and
machine learning approaches are discussed.Security News bytes October 2013
The document contains summaries of several security news articles. The articles discuss issues like vulnerabilities in iPhone fingerprint authentication and signed Mac malware, flaws in Verizon femtocells allowing eavesdropping, a remote access tool targeting Android devices, and vulnerabilities in a Ukrainian bank's mobile app allowing account theft. The document also mentions several upcoming security events in India.
Threat Check for Struts Released, Equifax Breach Dominates News
It’s our second all-Equifax “Open Source Insight,” as the Equifax breach unfortunately still leads the cybersecurity and open source security news cycle this week. As the Equifax breach has shown, open source security risks are a daunting reality. But that breach should never have happened — a known, fixable open source vulnerability not being remediated.
Open source software — such as Apache Struts — comprises 80 to 90 percent of the code in modern applications, yet most organizations lack any visibility into the open source they are using. In response, Black Duck, the global leader in automated solutions for securing and managing open source software, announced this week the availability of a free-use tool that enables organizations to determine if they are at risk from the Apache Struts vulnerability that was exploited in the recent, high-profile Equifax breach.
Open Source Insight: Happy Birthday Open Source and Application Security for ...
Open Source Insight: Happy Birthday Open Source and Application Security for ...Black Duck by Synopsys
Opinions differ on exactly when, but open source turned twenty this year. Most security breaches in 2017 were preventable (you hear that, Equifax?), and it’s time to take a look back to prevent similar breaches in 2018. iPhone source code gets leaked (for a short time). And keeping medical devices, voting machines, automobiles, and critical infrastructure safe in a world of increasing application risk.
Read on for open source security and cybersecurity in Open Source Insight for February 9th, 2018.Mobile threat-report-mid-year-2018 en-us-1.0
The document summarizes mobile threat data from January to June 2018. It finds that every customer saw mobile OS threats, MITM attacks increased over the last half of 2017, and one in three devices detected a mobile threat. Specific threats discussed include Meltdown and Spectre CPU vulnerabilities, vulnerabilities in Apple's Bluetooth daemon, the ZipperDown app vulnerability affecting 100 million iOS users, cryptojacking malware, and threats from unpatched vulnerabilities, malicious apps, and network attacks like MITM and rogue access points.
Ethical hacking
The document discusses ethical hacking and describes what ethical hackers do. It provides context around the growth of hacking and defines ethical hackers as security professionals who test systems for vulnerabilities but do not damage systems or steal information. They seek to answer what an intruder can see, what they can do with that information, and if the target would notice an intrusion. The document outlines the skills, qualifications, and process of ethical hacking to evaluate security and help clients identify and remedy vulnerabilities.
Bot software spreads, causes new worries
Bot software infects millions of computers worldwide without the owners' knowledge and turns them into zombies that perform malicious tasks as part of a bot network. These bot networks, which can include thousands of infected computers, are used to spread viruses and worms, send spam emails, install spyware, and launch denial-of-service attacks. While initially just an automated way to spread malware, bot networks are now also used for criminal activities like identity theft due to their ability to stealthily command a large number of compromised computers. Security experts warn that the proliferation of bot networks poses serious risks and is very difficult to stop given their automation and scale.
Review on effectiveness of deep learning approach in digital forensics
Cyber forensics is use of scientific methods for definite description of cybercrime activities. It deals with collecting, processing and interpreting digital evidence for cybercrime analysis. Cyber forensic analysis plays very important role in criminal investigations. Although lot of research has been done in cyber forensics, it is still expected to face new challenges in near future. Analysis of digital media specifically photographic images, audio and video recordings are very crucial in forensics This paper specifically focus on digital forensics. There are several methods for digital forensic analysis. Currently deep learning (DL), mainly convolutional neural network (CNN) has proved very promising in classification of digital images and sound analysis techniques. This paper presents a compendious study of recent research and methods in forensic areas based on CNN, with a view to guide the researchers working in this area. We first, defined and explained preliminary models of DL. In the next section, out of several DL models we have focused on CNN and its usage in areas of digital forensic. Finally, conclusion and future work are discussed. The review shows that CNN has proved good in most of the forensic domains and still promise to be better.
Similar to JAVAFor the code in which I implemented most of the quick select a.pdf (20)
Briskinfosec - Threatsploit Report Augest 2021- Cyber security updates
Briskinfosec - Threatsploit Report Augest 2021- Cyber security updates
Final Research Project - Securing IoT Devices What are the Challe.docx
Final Research Project - Securing IoT Devices What are the Challe.docx
IJWMN -Malware Detection in IoT Systems using Machine Learning Techniques
IJWMN -Malware Detection in IoT Systems using Machine Learning Techniques
MALWARE DETECTION IN IOT SYSTEMS USING MACHINE LEARNING TECHNIQUES
MALWARE DETECTION IN IOT SYSTEMS USING MACHINE LEARNING TECHNIQUES
IRJET- Windows Log Investigator System for Faster Root Cause Detection of a D...
IRJET- Windows Log Investigator System for Faster Root Cause Detection of a D...
Whitepaper | Network Security - How to defend your Plant against the threats ...
Whitepaper | Network Security - How to defend your Plant against the threats ...
Intrusion detection systems for internet of thing based big data: a review
Intrusion detection systems for internet of thing based big data: a review
Threat Check for Struts Released, Equifax Breach Dominates News
Threat Check for Struts Released, Equifax Breach Dominates News
Open Source Insight: Happy Birthday Open Source and Application Security for ...
Open Source Insight: Happy Birthday Open Source and Application Security for ...
Review on effectiveness of deep learning approach in digital forensics
Review on effectiveness of deep learning approach in digital forensics
More from arjunstores123
Money and Our Monetary SystemThe monetary system in any economy fa.pdf
Money and Our Monetary System
The monetary system in any economy facilitates trade and allows people to trade more
efficiently, as compared to a barter economy. In the United States, the monetary authority is the
Federal Reserve System (also referred to as the Federal Reserve, or informally, as the “Fed”.)
For this use the Fed’s website (http://www.federalreserve.gov/) when addressing the questions
below.
What are the requirements for something to be considered money? Why does the dollar have
value?
What does the money supply consist of and what are the respective amounts in the total money
supply for the United States?
What are the primary functions of the Fed? What role does the Federal Open Market Committee
(FOMC) play in our economy?
What role do the financial institutions (commercial banks and other institutions) play in our
financial system?
What is meant by the term “fractional-reserve banking” in our system? What are the implications
for consumers?
What are the tools available to the FED for controlling the money supply? Which are used most
often? Which are most effective?
How does the money multiplier help to determine the effects of monetary policy?
What are the pros and cons of using monetary policy, as opposed to the use of fiscal policy, for
implementing economic policies and practices?
Solution
Money is basically medium of exchange so for anything to be consideredd money there are three
eligibility criterias
It is a currency which is backed by a stable and sound government, other than that dollar has
value because it fulfills all the three criteria mentioned above. It is widely accepted which
provides good strength to its value.
It consist of M1 and M2(the definitions and details are copied from fedreserve site)
Money Stock Measures. Billions of dollars.
There are four primar functions of Fed
The role of FOMC is to make monetary policy for federal reserve stsrem which it could
implement in the U.S.
The most basic role of financial institutions is to provide circulate money in the economy and
facilitate liquidity. It enables the flow of economic activities and helps in spreading the effects of
implemented monetary policies.Table 1
Money Stock Measures. Billions of dollars.DateSeasonally adjustedNot seasonally adjustedM1
1M2 2M1 1M2 2Jan. 20142,688.411,033.82,697.511,058.9Feb.
20142,712.911,098.92,701.711,110.3Mar. 20142,746.111,153.52,768.711,235.4Apr.
20142,770.911,212.32,805.211,288.7May 20142,790.511,281.82,777.711,231.9June
20142,820.811,335.32,820.211,293.7July 20142,836.811,402.02,837.411,348.7Aug.
20142,807.411,438.72,786.111,379.9Sept. 20142,869.611,476.62,831.111,430.4Oct.
20142,874.011,528.62,860.411,496.4Nov. 20142,884.711,566.72,856.011,572.2Dec.
20142,927.311,636.42,985.211,717.4Jan. 20152,937.911,703.52,944.611,723.7Feb.
20152,985.111,800.12,976.111,812.2Mar. 20152,990.211,835.13,019.611,921.3Apr.
20152,995.611,888.03,032.411,970.7May 20152,989.811,923.92,973.111,873.0June
20153,015.311,970.63,017.011,926.7July 2015.
Investigators are conducting a cohort study to determine whether wom.pdf
Investigators are conducting a cohort study to determine whether women exposed to high levels
of exposure to electromagnetic fields are more likely to be depressed. Low socioeconomic
status is associated with 1) living near power lines and 2) depression. What type of bias or error
is most likely to result?
a. Selection bias
b. Nondifferential misclassification
c. Ecologic fallacy
d. Confounding
e. Random error
Solution
c. ecologic fallacy.
In the class we extensively discussed a node class called IntNode in.pdf
In the class we extensively discussed a node class called IntNode in which each linked list node
contains an integer and each node is linked forward to the next element in the list. Implement a
node class called DoublyIntNode in which each node contains an integer number and each node
is linked not only forward to the next element in the list but also backward to the previous
element in the list. Your implementation of DoublyIntNode should adapt and implement all the
methods of IntNode including the following methods:
Constructor for DoublyIntNode
addNodeAfter, removeNodeAfter
getData, setData
getForeLink, setForeLink
getBackLink, setBackLink
listCopy
listCopyWithTail
listLength
listPart
listPosition
listSearch
IntNode and Node classes:
public class IntNode{
private int data;
private IntNode link;
// methods here
}
public class Node {
private E data;
private Node link;
// methods here
}
Solution
program
#include
using namespace std;
struct list
{
struct list *prev;
int data;
struct list *next;
}
*node = NULL, *first = NULL, *last = NULL, *node1 = NULL, *node2 = NULL;
class Dlist
{
public:
void insert_beg() {
list *addBeg = new list;
cout << \"Enter value for the node:\" << endl;
cin >> addBeg->data;
if(first == NULL) {
addBeg->prev = NULL;
addBeg->next = NULL;
first = addBeg;
last = addBeg;
cout << \"Linked list Created!\" << endl;
}
else {
addBeg->prev = NULL;
first->prev = addBeg;
addBeg->next = first;
first = addBeg;
cout << \"Data Inserted at the beginning of the Linked list!\" << endl;
}
}
void insert_end() {
list *addEnd = new list;
cout << \"Enter value for the node:\" << endl;
cin >> addEnd->data;
if(first == NULL) {
addEnd->prev = NULL;
addEnd->next = NULL;
first = addEnd;
last = addEnd;
cout << \"Linked list Created!\" << endl;
}
else {
addEnd->next = NULL;
last->next = addEnd;
addEnd->prev = last;
last = addEnd;
cout << \"Data Inserted at the end of the Linked list!\" << endl;
}
}
void display() {
node = first;
cout << \"List of data in Linked list in Ascending order!\" << endl;
while(node != NULL) {
cout << node->data << endl;
node = node->next;
}
node = last;
cout << \"List of data in Linked list in Descending order!\" << endl;
while(node != NULL) {
cout << node->data << endl;
node = node->prev;
}
}
void del()
{
int count = 0, number, i;
node = node1 = node2 = first;
for(node = first; node != NULL; node = node->next)
cout << \"Enter value for the node:\" << endl;
count++;
display();
cout << count << \" nodes available here!\" << endl;
cout << \"Enter the node number which you want to delete:\" << endl;
cin >> number;
if(number != 1)
{
if(number < count && number > 0)
{
for(i = 2; i <= number; i++)
node = node->next;
for(i = 2; i <= number-1; i++)
node1 = node1->next;
for(i = 2; i <= number+1; i++)
node2 = node2->next;
node2->prev = node1;
node1->next = node2;
node->prev = NULL;
node->next = NULL;
node = NULL;
}
else if(number == count)
{
node = last;
last = node->prev;
last->next = NULL;
node = NULL;
}
else
cout << \"Invalid node.
In January of 2012, the second stop for a Republican to get votes to.pdf
In January of 2012, the second stop for a Republican to get votes toward the presidential
nomination was at the New Hampshire Primary. The following exhibit shows the votes several
candidates received from registered Republicans and Independents.
Party Affiliation
Mitt Romney
Ron Paul
Jon Huntsman
Others
Republicans
62645
16792
12733
27610
Not Republican
34887
40056
29212
24550
Source: ABC News
What is the probability that a randomly selected voter voted for Ron Paul?
Given that a randomly selected voter is not a Republican, what is the probability that he/she
voted for Ron Paul?
If a randomly selected voter voted for Jon Huntsman, what is the probability he is a Republican?
Party Affiliation
Mitt Romney
Ron Paul
Jon Huntsman
Others
Republicans
62645
16792
12733
27610
Not Republican
34887
40056
29212
24550
Solution.
I need some help answering these three questions listed below.1. A.pdf
I need some help answering these three questions listed below.
1. An application requires users to either select one of the predefined names Alice, Bob, and
Cindy or input a new name. Which Swing component is the most suitable? Provide a code
fragment illustrating the creation of that component, with proper initialization.
2. In an interface that includes several buttons, how may an event-handling method determine
which button triggered the event? Provide a code fragment to illustrate your answer.
3. An application that displays a computationally intensive animation would benefit from
disabling the animation when the main application window is iconified. How may this feature be
implemented? Provide a code fragment to illustrate your answer.
Solution
1. Editable JCombo Box can be used. The editable combo box, features a text field with a small
button abutting it. The user can type a value in the text field or click the button to display a drop-
down list.
Implementation
2. The event handler is tied to the button, hence it is possible to differentiate between multiple
buttons.
Implementation
3. When using a JFrame, we can detect window minimization with a windowStateListener().
Implementation.
hi i need to produce a 300 word report on the construction of struct.pdf
hi i need to produce a 300 word report on the construction of structures aligned to the railway
infrastructure and explaine the impact of track engineering construction. and my report should
include examples from the following
tunnels, side bridges, sea defences, platforms, operatinal bulidings, platform awnings, mast and
towers.
iv started to answer the report but im not to sure if iv stuck to rigth path of the question. so i
wounder if any one called help me.
Solution
Railway is like a lifeline to a country. Most.of the people and goods are transported through
railways. As railway runs mostly on land , in order to make it accessible to most part of the land
supporting structures are made. Some of them are discussed below.
Tunnels- These structures are mainly made when the terrain are rough or they are at very high
altitude. At very high altitude it becomes difficult to travel and if travelling is done it is done at
very low speed. It is basically carried out in hilly areas. So to overcome this problem tunnels are
being constructed in the hills. This solve 2 main purposes. Firstly it reduces the travel time and
secondly it connects the places.
Side bridges- They are mainly constructed in order to connect the places divided by a water ,
valley etc.
Sea Defences- They are mostly constructed along the sea shore. When a railway passes through
sea , it is very likely that it will get affected by its tides. In order to neutralize it sea defences are
made to avoid water coming on the tracks and also to avoid soil erosion beneath the tracks.
Platform Awnings- Thes structures are mainly above the platforms. These are basically shed type
of structures. They can solve many purposes. Firstly they provide shed and shelter to people
beneath. Then they lower the temperature from around 5-8 . Installation of solar panels above
them can lead to generation of electricity.
Platforms- They serve the purpose of people boarding in and out of train. They also act as
waiting area for passengers. They are designed according to train length and height. A busy
station has more no of platform compared to less busy one as more no of persons are arriving and
departing at a busy station compared to less busy one.
Mast- They are constructed to hold the electric cables. These cables provide electricity for the
train to run.
Towers- They are constructed basically for signaling system..
HTML elements are split into two types “block” elements and “inline.pdf
HTML elements are split into two types: “block” elements and “inline” elements. Explain the
differences.
Solution
Block Level Elements:
A block element is an element that has, but may not be limited to, the following characteristics:
Inline Elements:
An inline element has, but may not be limited to, the following characteristics:.
How does multicore differ from a classic multiprocessing environment.pdf
How does multicore differ from a classic multiprocessing environment?
Solution
Multicore is differ from Multi processing because
A multiprocessor systems having more than one central processing unit and allowing them to
work in parallel. This is known as Simultaneous Multiprocessing.
A multicore central processing unit has many execution cores on one CPU it means different
things depending on the correct design but basically it means that a definite subset of the CPU\'s
components is duplicate so multiple cores can work in parallel on separate operations. This is
known as Chip level Multiprocessing..
How the non-dense index worksHow the non-dense index works.pdf
How the non-dense index works?
How the non-dense index works?
Solution
Dense Index:
An index record appears for every search key value in file.
This record contains search key value and a pointer to the actual record.
This makes searching faster but requires more space to store index records itself. Index
records contain search key value and a pointer to the actual record on the disk.
A non-dense index has:
One entry for each block
One entry for each different value
Sparse Index is non-dense index
In sparse index, index records are not created for every search key. An index record here
contains a search key and an actual pointer to the data on the disk. To search a record, we first
proceed by index record and reach at the actual location of the data. If the data we are looking for
is not where we directly reach by following the index, then the system starts sequential search
until the desired data is found..
Given below is the response of several types of temperature sensors. .pdf
Given below is the response of several types of temperature sensors. Which type of temperature
sensor has (a) highest sensitivity at low temperatures, (b) best linearity, (c) applicable for high
temperatures? What does Fourier analysis of signals mean? What information can one extract
once the analysis has been performed? How is this information useful to engineers?
Solution
Best linearity is of RTD
Thermocouple is capable for higher temperatues
Thermistor has highest sensitivity at low temperatures.
Genetic recombination can occur in many different stages. Identify t.pdf
Genetic recombination can occur in many different stages. Identify the possible stages below.
Select all that apply.
A. Horsetail sporangia
B. Moss sporophyte
C. Fern sori
D. Club moss strobili
E. Moss gametophyte
Solution
Correct answers would be:
A. Horsetail sporangia
B. Moss sporophyte
C. Fern sori
D. Club moss strobili.
For every one NADH molecule oxidized at complex I, how many TOTAL hy.pdf
For every one NADH molecule oxidized at complex I, how many TOTAL hydrogen ions are
pumped across all of the complexes from the mitochondrial matrix to the inner membrane space?
A:1
B:10
C:12
-An explanation would be appreciated!
Solution
Answer is B: NADH is the rich source of electron and it possess high reduction potential. So it
transfer electrons (2e-) to oxygen through various complexes of Electron Transport Chain of
Mitochondria. Those are Complex-I ----> Complex-III & Complex-IV. During electron transfer,
4:2:4 protons pumped form mitochondrial matrix to peri mitochondrial space via Complex-I,
Complex-III & Complex-IV respectively.
Find the domain of the function. (Enter your answer using interval no.pdf
Find the domain of the function. (Enter your answer using interval notation.) f(t) = cubic root 8t
- 7
Solution
given function
f(t) = (8t - 7)^1/3
The domain is all values that t can take on. There is problem with this function that it can have a
negative or positive. The result will be my domain:
(-infinte , +infinte)
since cube root can negetive and postive values
DOMAIN:(-infinte , +infinte).
explain as specifically as possible how each of the following helps .pdf
explain as specifically as possible how each of the following helps to enhance safety in the
microbiology lab. Explain whether each is necessary in all instances.
Negative air flow (i.e., air flows into laboratory rather than out
Solution
29 Equipments every microbiology laboratory should have
General Concepts : The clinical presentation of an infectious disease reflects the interaction
between the host and the microorganism. This interaction is affected by the host immune status
and microbial virulence factors.Sings and symptomes vary according to the site and severity of
infection. Diagnosis requires a composite of information, including history, physical
examination, radiographic findings, and laboratory data. In fections may be caused by bacteria,
viruses, fungi, and parasites. The pathogen may be exogenous(acquired form environmental or
animal sources or from other persons) or endogenous (from the normal flora)..
Each of the following lymphatic structures in the correct category ba.pdf
Each of the following lymphatic structures in the correct category based on their location.
Solution
Cisterna Chyll- loated in THORACIC DUCT. it is a sac in which intestinal and two lumber
lymphatic trunk flow.
TONSILS- located in NECK. it is near the throat made of soft lymphoid tissue.
THYMUS- location THORAX. here T lymphocytes mature.
THORACIC DUCT- located in thorax. it is extended in chest area at C7 vertebra.
MEDIASTINAL LYMPH NODE- loated in thorax. it is placed between lungs in thoracic cavity.
SPLEEN- located in abdomen. it is to the left of stomach and recycles RBC..
Answer the following questions from the Article belowExercise #1..pdf
Answer the following questions from the Article below:
Exercise #1. Read the following article and then answer the following questions in paragraph
form.
1. How has DNA changed the study of biology over the past 50 years? Explain whether scientists
have shifted to a molecular level in the various subdisciplines of biology. Also, do you believe
any trend to the molecular level will continue far into the future?
2. Explain the role of DNA in the development of an organisms. Does DNA fully provide a
blueprint to create an individual? Can DNA by itself propagate itself or does it require other
molecular machines?
3. In modern biology, which is the role of physics in the study of organisms and their molecules?
Has physics moved to the forefront or does it play an ancillary role? As described in the article,
why are the molecular forces of very low energy in an organism?
Historians have the luxury of look- ing back at human endeavor over long periods of time, but
most scien- tists are too busy working in the present and thinking anxiously about the future and
have no time to view their work in the context of what has gone before. I once remarked that all
graduate students in biology divide history into two epochs: the past 2 years and every- thing else
before that, where Archimedes, Newton, Darwin, Mendel—even Watson and Crick—inhabit a
time-compressed universe as uneasy contemporaries. It seems remark- able that historians once
thought that science progressed by the steady addition of knowl- edge, building the edifice of
scientific truth, brick by brick. In his 1962 book The Struc- ture of Scientific Revolutions,
Thomas Kuhn argued that progress occurs in revolutionary steps by the introduction of new
paradigms, which may be new theories—new ways of looking at the world—or new technical
meth- ods that enhance observation and analysis.
Between Kuhn’s revolutions, scientif ic knowledge does advance by accretion, as there is much
to do to consolidate the new sci- ence. But then, inevitably, unsolved problems accumulate and,
in many cases, the inconsis- tencies have been put to one side and every- body hopes that they
will quietly go away. The edifice becomes rickety; some of its founda- tions are insecure and
many of the bricks have not been well-baked. This is when a new rev- olutionary wave in the
form of new ideas or new techniques appears, which allows us to condemn and demolish the
unsafe or corrupt parts of the edifice and rebuild truth. Often there is great resistance to the new
wave, but as Max Planck pointed out, it succeeds because the opponents grow old and die. The
process is then repeated: The radicals become liberals, the liberals become conservatives, the
conservatives become reactionaries, and the reactionaries disappear. Students of evolu- tion will
recognize this process in the theory of punctuated equilibrium: Organisms stay much the same
for very long periods of time; this is interrupted by bursts of change when novelty appears,
f.
All answers are in the form of TrueFalse with a explantion as to wh.pdf
All answers are in the form of True/False with a explantion as to why:
1) An ideal band-pass filter centered (at ± 0) can be created by just multiplying the sinc function
by cos(0t) in the the time domain.
2) Nyquist theorem deals with windowing of a signal in the time domain, which is translated into
leakage in the frequency domain.
3) The global frequency response of an LTI system composed of two LTI systems in parallel
with each other is simply the addition of the individual frequency responses of the systems.
4) We can find the H(j) of an unknown LTI system by stimulating it with a impulse and taking
the Fourier Transform of its response. Another more realistic way is to stimulate the LTI system
with a unit step function (signal), take the Fourier Transform of its response, multiply it by (j) for
every 0 and divide it by pi at =0.
^I believe that one is true, but I am needing help forming an explanation.
5) A first step towards sampling an unknown analog signal without aliasing is to low-pass filter
the signal.
Solution
1) False
Because fourier transform of sinc function is rectanctangular function in frequency domain, and
fourier transform of cos function is impuse function. So when when multiply in time domain that
means convoution in frequency domain. And if ve convolude rectangular function with impulse
function then it would be rectangular pulse train. Which is not ideal band paas filter at w=0.
2) False
It would be either window or leakage in time domain or frequency domain.
3) TRUE
It is simply understand by block reduction method in control system. When there is another
forward block we add both maid forward block with secondry forward block. OR LTI is linear in
nature so add in parallel and multiply in series.
4) TRUE
Its because the response or tansfer function of any system is called impulse response. It means
when the input is Impuse function what is the output of that system. Same as the relation
between unit imulse response and impuse respone in just fouries tranfer of unit step function.
Because the fourier transform of impulse is unity. so if input is unit step function multiply it by
(j) for every 0 and divide it by pi at =0.(1/(i)+(),)
5)FALSE
Low paas filter use after sampling to recover the original signal..
Consider miRNA target sites, How do these compare to transcription fa.pdf
Consider miRNA target sites, How do these compare to transcription factor binding sites?
Imagine that both miRNA target sites and transcription factor binding sites were dispersed
randomly in the genome ? Which would be likely to appear more frequent?
Solution
mRNA localization:
mRAN location is critical for regulation of gene expression by allowing spatially regulated
protein production. Through mRAN localization protein are transcribed in their intended target
site of the cell. This is especially important during early developement when rapid cell cleavages
give different cells various combinations of mRNA which can then lead to drastically different
cell fates.RBPs are critical in the location of this mRNA that insures protein are only transcribed
in ttheir intended regions. One of these proteins is ZBp1 binds to beta- actin mRNA at the site of
transcription and moves with mRNA into the cytoplasm. It then localizes this mRNA to the
lamella region of several asymmetric cell types where it can then be translated. FMRP is another
RBP involved in RNA localization. It was shown thatt in addition to other functions for FMRP in
RNA metabolism, FMRP is involved in the stimulus-induced localization of several dendritic
mRNAs in neuronal dendrites.
Transcription factors binding site:
Transcrption factors bind to either enhancer or promoter regions of DNA adjacent gene is either
up- regulated. Transcription factors use a varity of mechanisms for the regulation of gene
expression. These mechanisms include:
Histone acetyltransferase (HAT) activity - acetylates histone proteins, which weakens the
association of DNA with histones, which make the DNA more accessible to transcription,
thereby up- regulating transcription.
Hiestone deacetylase (HDAC) activity - deacetylates histone proteins, which strengthens the
asociation of DNA with histones, which make the DNA less accessible to transcription, thereby
down- regulating transcription.
Activation:
trancsription factors may be activated (or deactivated) through their signal- sensing domain by a
number of mechanism including:.
Anaerobic Respiration & Fermentation (Microbiology)What are the bu.pdf
Anaerobic Respiration & Fermentation (Microbiology)
What are the bubbles in fermented medium made of? Describe the process that they come from.
Solution
Answer:
The bubbles in the fermented medium is made of carbon dioxide and hydrogen.
Microbes ferment glucose/dextrose to produce gases such as carbon dioxide and hydrogen. The
medium most commonly used is phenol red glucose broth and is composed of 0.5-1.0% glucose.
As the broth gets fermented, acidic end products are produced. This reduces the pH of the media
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4. Pick out any text-mining tool that impressed you the most and dis.pdf
4. Pick out any text-mining tool that impressed you the most and discuss an overview of its text
mining process, sentimental & speech analytics.
Solution
LanguageWare is a natural language processing (NLP) technology developed by ibm, which
allows applications to process natural language text. It comprises a set of Java libraries which
provide a range of nlp functions: language identification, text segmentation/tokenization,
normalization, entity and relationship extraction, and semantic analysis and disambiguation. The
analysis engine uses Finite state machine approach at multiple levels, which aids its performance
characteristics, while maintaining a reasonably small footprint.
Speech analytics:
Speech analytics allows users to analyse and extract information from both live and recorded
conversations. It is being used effectively to gather intelligence for security purposes, to enhance
the presentation and utility of rich media applications, and perhaps most significantly, to deliver
quantitative business intelligence through the analysis of the millions of recorded calls .
Sentiment analysis:
Sentiment analysis is a branch of speech analytics that focuses specifically on assessing the
emotional states displayed in a conversation.
One common use of sentiment analysis within contact centres is to provide insight into a
customer’s feelings about an organisation, its products, services, customer service processes, as
well as its individual agent behaviours..
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