Essays on Cache

Animal cognition is the mental capacity of animals as well as the study of animals’ mental capacity. The study of mental capacities of animals has stemmed from comparative psychology, which includes studying the conditioning of animals and their learning. Working memory is a major executive function that makes up the cognitive system and deals with information by providing transient holding, processing as well as manipulation. The study of working memory in animals has mainly focused on spatial memory with most of the studies trying to provide a clarification for spatial memory psychological basis together with the hippocampus role. Balda & ...

Introduction

The main mission of the ethnographer outlined in this paper was to carry out an investigation of the traditional Han society and culture (Jarvenpa, 1998). The ethnographer investigated how the Han lived in the early days, including if they still hunted for food or fished, how the Indians and members of the white community interacted, the communities’ hopes and fears, and how they saw their future. In this regard, the ethnographer investigated the traditional Han society and culture through cultural immersion and participants’ observation of the members of the community.

Methods

Methods: The ethnographer used two methods of collecting information. ...

Abstract

Web servers are the building blocks of this generation distributed systems and plays a major role in the enterprise application architectures. Due to the flexibility and openness that these Web server centric computing model offers, though makes this ubiquity possible, it also opens up corporate data and processes to security threats. This paper focuses on the security of the public Web servers. There are many different vulnerabilities such as exploits utilizing software bugs in the underlying operating system, denial of service, unauthorized access of confidential information, man-in-the middle attacks, subvert the Web server and use it as a bot ...

Communication System

The key elements of a data communication system are the source, the transmitter, the transmission system, the receiver and the destination. The source will be used in the generation of the data to be transmitted. The transmitter has a purpose of transforming and encoding the data into signals that can be transmittable for example the transformation from a digital bit stream to the corresponding analogue signal. The transmission system serves the purpose of carrying the data and it can be in terms of a transmission line or a complex network connecting the source and the destination. The receiver will ...

First Response

The NFS offers the Linux and UNIX users the ability to share and even transfer information and data from a single PC to another. The NFS system is highly available in the Windows operating system, more than it is in the UNIX system. The NFS, however, can be loaded by the use of the Server Message Block (SMB), which make up the CIFS. The NFS processor makes information readily available. The operation of the NFS system depends on the relationship between the UNIX and the Linux operating systems. For the information to be transmitted from one place to another, ...

Question 1

Network file system (NFS) was originally developed in 1984 by Sun microsystems. It is a distributed file system that allows a client to view, store or update file on the server remotely. It employs the open network computing remote procedure technology in implementing the desired functions. It can thus be used by anyone connected to the network to effect the changes that are desired in the network (KITAMURA, 2012). The NFS system enables the administrator to stage portions of the file system on the server. The file mounted can be accessed by the clients depending on the privileges accorded ...

Part one

Personal computers have now become not just used for computation but also, a source of entertainment inform of PC games. The personal computing industry is now in growing at unprecedented levels regarding the hardware and software components. Hardware and software sales are up, and the challenge that computer consumers face now is identifying the computer model they need that will fit their requirements. Especially for the hardware components, the users will need to consider their hardware choice combination than include, graphics card, processors, storage, memory and power consumption. To do this, computer users will require determining whether the product ...

Cache memory I use or planning to purchase.

Cache memory is a Random Access Memory, also known as the central processing unit memory or CPU memory. There are different “levels” that categorize cache memory. For instance, my computer uses a level three with a memory size of 3MB though in some cases it is used in conjunction with “level 1” and “level 2” cache memory.

L1 cache Interface with the CPU and memory

The main purpose of a cache memory is to store instruction set needed by the processor as fast as possible. To achieve this, the processor chip usually integrates the cache memory for L1 and L2 cache, and bus for L3 cache (Loh, ...

1) The form and genre of a film inherently affects the messages and narratives that they display – this is absolutely true of Jean-Paul Lilienfeld’s Skirt Day and Michael Haneke’s Cache, both of which take the thriller genre and use it to explore and investigate their respective narratives of emotional pain, guilt, discrimination and injustice. Skirt Day, for instance, couches itself in the trappings of both the revenge film and the hostage-thriller film, given the film’s plot of a beleaguered female teacher Sonia avenging the many injustices she has seen and experienced at the school by holding ...

Abstract. In recent time, connectomics which is filed aimed to construct wiring diagram of the brain at the level of synapses and their connections has gained an increasing interest and is very promising for neuroscience. Advance in technology allow to acquire huge volumes of data and the challenge for researchers and scientist now is storage, visualization, and processing of the data. Developing GPU technology provides effective solutions for computing on large datasets and its visualization. Moreover, several recent work propose techniques for optimized segmentation, reconstruction, proofreading, and visualization of connectome. However, existing solutions are still not efficient enough and ...

Strategic analysis

Five Forces analysis

Level of rivalry The level of rivalry remained intense until the end of 2004. Then after 2004, Lego became one of the stronger competitors in the market by introducing some of its new production, which has made its position in the market strong enough. After 2005, Lego started competing in the market of environment for the children. Lego became one of the great threats for big names such as Sega and EA.

Power of buyers

The buying power Lego buyers are higher as the cost of Lego productions is much less than the other alternative toys and productions available in ...

Computer forensic refers to the preservation, identification, extraction, interpretation and documentation of computer evidence (Wiles, Cardwell, and Reyes, 2007, p.2). Such evidence retrieved is usually aimed to be used in a court of law. Electronic crimes increased in the 1970s especially in the financial sector. These crimes resulted because people saw an opportunity of making money by manipulating computer data (Nelson, Phillips, and Steuart, 2010, p.5).

According to Mohay (2003, p.113), computer forensics was first used in the 1970s by the US military and intelligence agencies. Daniel (2011, p.14) notes that computer forensics began in 1984. During this year, the ...

The central Processing Unit (CPU) in one way or another may be referred as the heart of the computer. It is the part of the computer that receives instructions from the user and processes them. In computing terms, a CPU is a piece of hardware which plays the role of ensuring that the instructions that the computer receives are implemented. A CPU contains several components. One of the components is the arithmetic logic unit (ALU), which serves the function of simple arithmetic and logical operations. Control unit (CU) is the second component. The CU reads and interprets instructions and transforms the ...

Computer Architecture:

The Von Neumann Computer architecture and its importance: The Von Neumann computer architecture model was first described in a paper by Burks, John Von Neumann and Goldstein in 1946. The computer comprised a CPU, memory and I/O devices with a single set of buses connecting the CPU to memory. In this architecture, the program is stored in memory, and the processor fetches an instruction at a time from the memory and executes it. When the processor is reading data values from memory, it is unable to fetch the next execution instruction till data reading is complete. This situation where data and program ...

Intel Pentium 4 Processor

The Intel Pentium 4 processor was introduced in November 2000 with a 1.5GHz. The processor uses Intel NetBurst micro-architecture which characterized by higher clock rates and world-class performance. There are new other innovations designed to ensure that the processor offers the best performance. Intel Pentium 4 processor is designed to offer high performance in varied applications where end users value quality performance of the CPU (Boggs, Darrell, et al.). Some of the new experiences and innovation in this design include the 3D applications and games, multi-media and multi-tasking user environment (Tuck, Nathan, and Tullsen). There is real time encoding ...

consequences and how to defend against it Our world changes on a rapid speed and new dangers come with it. As humanity starts to use a computer on a regular basis for almost every aspect of life like pleasure, communication shopping and exploring new dangers appeared. Nowadays we have plenty of things our ancestors have no clue, like internet, cellphones, computer viruses and spoofing. Spoofing is the name for an attack when one party pretends to be someone else. The most common spoofing attacks are MAC-spoofing, ARP-spoofing, IP-spoofing, DNS-spoofing and e-mail spoofing. Let’s take a look at each one of ...

- Difference between product and service sales In sales, being aware of the relationship between product sales and service sales as well as differentiating each of them is one of the best way of knowing their differences. Products and services have differences that determine the things that go on in their sales. One of the biggest differences between product and service sales is that product sales can be termed as transactional in nature. On the other hand, service sales are ongoing engagement between the seller and the buyer. A product sale is demarcated into the pre-sales activities and ...

Introduction

The migration of systems to better and higher operating systems are an issue of concern for many organizations. It is in the quest to have higher performance in the organization. This paper will focus on migration to Windows 8. The migration will improve the performance and the quality of the business processes that are provided in any company. Windows 8 is the latest operating system that was released by Microsoft in October 2012. It was developed is that it would be easier to upgrade to it from previous operating systems. The migration has been made easier. Like any other ...

Introduction

Spotify is a music provider company that provides music online. The users need to register to Spotify either by connecting it through facebook or by registering their e-mail id. There is a vast choice of music available that can be streamed to computer of any smart gadget in minutes. All the tracks are legally available and the music that is unauthorized to be broadcasted in a particular geographical region, it is eliminated through Digital Rights Management (DRM). The users can choose free tier or a Premium tier by paying around £3.19 and get music advertisement free and at a higher bit rate. The users ...

Abstract

This discussion explains how through cloud computing, the process of data mining is facilitated. Through data mining, information that is potentially useful can be retrieved from raw data. People often face the need for targeted advertising, whereby data mining techniques give businesses greater efficiency, hence helping to lower costs. In the sector of cloud computing, data mining has become of great importance. The facilitation of data mining through cloud computing will enable users to obtain useful information viaa virtual warehouse of integrated data, helping to lower expenses of storage, technical staff, and purchase of infrastructure. Key terms: Data ...

Management

As a human resource manager there a lot of things and issues that are at stake especially if the business are destined to perform well. It is needless to stress and mention the fact that a business or any firm or organization had several aspects at stake and involved before output can be realized. It involves issues of motivating and encouraging the staff members so that they would give all their best for the achievement and organization of the business. It is to say that there must be proper and fair techniques of performance appraisal where quality and excellence on the part ...

Data compression algorithm for wireless sensor networks

Abstract There is an increased use of wireless networks in organizations. There also the use of Wireless Sensor Network (WSN) that is used for monitoring the environment. The two basic activities that are involved in WSN include data acquisition and data transmission. The problem with the process of transmitting and acquiring tasks is that there is high power consumption. This needs the use of data compression so that there is reduced consumption of power. This paper will analyze algorithms that are used in Wireless Sensor Networks to undertake data compression. In particular, there will be the analysis of ...

Design principles

The ARM stands for Advanced RISC Machine which is the architecture that is used to build processors. One of the ARM architectures is ARMv6. The development of this architecture was due to the need to enhance the various constraints that have been of great concern for the development of the ARM architecture. The main issue of concern of the Next generation architectures has been the need to meet the needs of the market which keep on evolving. The different parameters like speed, performance, power, and cost should be the determining factors in the design and development of architectures. ARM ...

Data compression algorithm for wireless sensor networks

Abstract There is an increased use of wireless networks in organizations. There also the use of Wireless Sensor Network (WSN) that is used for monitoring the environment. The two basic activities that are involved in WSN include data acquisition and data transmission. The problem with the process of transmitting and acquiring tasks is that there is high power consumption. This needs the use of data compression so that there is reduced consumption of power. This paper will analyze algorithms that are used in Wireless Sensor Networks to undertake data compression. In particular, there will be the analysis of ...

SESSION DATA

A session is a users ongoing interaction with the web application represented by http//sessionstate objects. Sessions aligned to as particular user can be kept and managed using session property tools on the web browser or Global.asax. Sessions data must be kept any time an individual access a web application online. When the user launches the application, the .NET runtime assigns the user a unique session ID which is retained by the user for the rest of the period. Each session ID identifies the user and the custom instance of the httpSessionState type holding on a user specific data. Syntactic insertion or retrieval of ...

What is the purpose of beauty and culture in our lives? These are the questions that have been discussed from the very beginning: from the dawn of human civilization. The activity of a society is diverse (labor, politics, economics, ethics, aesthetics, law, family, religion, etc.). Each of the spheres of a society corresponds to a certain level of culture as a qualitative characteristic of its life. Culture plays an important role in human life and society, which is, above all, a means of accumulation, storage and transmission of human experience between generations. It is culture that makes us humane. An individual becomes a member of ...

A cache is a type of high-speed memory responsible for keeping all the frequently used memory addresses in the main memory. It is a kind of Random Access Memory (RAM) that caters to the needs of another of another RAM and whose purpose is to decrease the average time it takes to fetch a "regularly accessed" address in the RAM. The main client of the cache is the central processing unit (CPU). Cache can be organized in three different ways namely direct mapping, fully associative mapping and set mapping. In direct mapping, a certain address is mapped with a single data thus if two ...

Abstract

There has been the introduction of architectures that are mutlicore in nature and for that reason; there has been the emergence of applications which are multi-threaded which are commonly susceptible to bugs of synchronization like data races. The development and use of software that are able to detect data races are known to incur a lot of costs due to increase in overhead costs. The use of hardware for the detection of the data race is a solution that can be used and is better and cheaper than that of software use. All the hardware solutions that have been proposed for ...

Abstract

Germany has been a model economy for the Euro zone with its fiscal frugality which has maintained the country on an impressive growth while the other European countries were struggling with debt crisis. However, despite a favorable GDP growth and low unemployment, the country is facing challenges with high inflation. The current situation is a result of combination of both poor decision making and market sentiments in the region. In addition, the country’s greatest debt is in the hands of the financials and non financial corporations with each having 87% of the debt while government holds 83%. In relation to the ...

A brief review

Insider threat Introduction An insider threat is a threat faced by an organization, attributed to its own people. This could be an employee, a former employee, a business associate or contractors who are familiar with the organization’s security practices and its work processes involving data handling and computers. Although the occurrence of ‘insider threat’ incidents is significantly low when compared to hacking attempts, these are more destructive for businesses. According to the Bureau of Justice Statistics, the cyber crimes against businesses in 2008 were only 11%, but it constituted about 52% of the losses suffered by the businesses. Another ...

In computer network analysis, there are several network designs usually deployed by different users due to different adaptations and the type of processing or transactions required for the business. This is mainly because there are some factors that affect the basic design and the type of networking equipment required. However, in each and every network design, there are six sub-sections which are present. These subsections are discussed below in some details to enable the network owner understand operation of the required network and how it will be set up. These subsystems or subsections include: entrance room, backbone cabling, ...

Introduction 3

Gillick Competency Principle 4 Roles and responsibilities of nurses 5 Conclusion 8

References: 10

Ethical and Legal issue This case study focuses on a minor girl who does not want her parents to know that she is pregnant. She is contemplating terminating the pregnancy via an abortion without consulting or seeking the consent of her parents. According to the 2010 Health Practitioner Regulation National Law (WA) Bill, a minor is a person aged less than 18 years. The client in question, Chin Lee, is a minor because she is only 15 years old. In Western Australia, minors are governed by separate ...

I. Introduction In the new millennium, professional builders and clients have recognized the major contribution of buildings to carbon dioxide and other greenhouse gas emissions worldwide. The control of building energy use and GHG emissions represents a major solution to the problem of expanding energy usage. Hence, architectural and design firms, engineering firms, specialized consulting firms, and even small architectural organizations have now turned to green methods in making new buildings. According to Yudelson (p. 3), they have subscribed to the LEED evaluating and rating systems. They lead the sustainable way to construction and design. LEED is a green ...

Introduction

The electric grid in the United States has been built way back in the 1890s (“What is the Smart Grid,” 2012). At present, it has been a by product of technological advancements which consist of more than 1 million megawatts of generating capacity passing through about 300,000 miles of transmission lines (“What is the Smart Grid,” 2012). With the utilization of new technologies, today’s grid is geared to a more stretched capacity which can manage the more complicated electric needs of the twenty first century consumers. It is called a “smart” grid since it is digitalized and made up of ...

PART A

Web cache can help users search the internet faster and safer. The web cache stores information such as html and images. This process access the website quicker than clicking on a link because the information of the site is stored. Oracle provides a web cache service that uses a filter to check the security of the website before the application reach the client. This is important to protect the user from malicious content that may be present on the site. At times, users download content from sites that may have viruses and malware that may attack the user""?s computer application or ...

Introduction

The electric grid in the United States has been built way back in the 1890s. At present, it has been a by product of technological advancements which consist of more than 1 million megawatts of generating capacity passing through about 300,000 miles of transmission lines (“What is the Smart Grid,” 2012). With the utilization of new technologies, today’s grid is geared to a more stretched capacity which can manage the more complicated electric needs of the twenty first century consumers. Hence, the smart grid is developed in order to address the present demands of the modern society. This ...

Quality teaching is the number one point in this first case. Teachers, due to lack of financial and extra resources of their schools, are compromised in terms of their quality teaching time and the related functions associated to teaching (advising, checking of research reports, etc.). They also move from one department to another, shifting the required teaching and administrative duties expected from them. They are expected to be “jacks of all trades” inside the schools. They have no relievers. However, their dedication does not actually guarantee their additional incentives or any other forms of motivation. This is why there ...

Minority Perspective

Introduction

Being a British colony for hundreds of years, poor Ireland became a stark picture of extreme poverty. It was defined by starvation. During the great famine in the middle of the nineteenth century, the whole Irish population was decimated by starvation and external migration. Frank McCourt's Angela’s Ashes vividly recounts the hardships of the Irish people. Frank’s family survived through one important character – her mother (McCourt, p. 25). Significant women also supported Frank’s family and these include his grandmother, his Aunt Aggie, his women relatives, among others.

McCourt's growing up years in Limerick was depicted by the ...

Balanced Scorecard Implementation

Introduction Rainbow Lighting Ltd manufactures light bulbs for both wholesale and retail sale. Since being acquired by the German company Eindnacht GmbH, issues of quality, profitability, customer perception and staff morale have come to light. Costs have also been incurred through the need to recall a faulty item in recent times. Rainbow Lighting Ltd has identified a number of areas that require improvement and has been given two years by its parent company to reach new benchmarks, to avoid operations being entirely transferred to Germany. Rainbow Lighting’s Managing Director has suggested the use of a Balanced Scorecard (BSC) in the ...

Introduction

Computer technology has displayed immense growth rate. These include processor developments alongside memories. Indeed, it is the technology improvements that have kick started the computer industry Mid 1980s and early 1990s, saw new great performance RISC microprocessors appearing, which was rather influenced by CPU models similar to discrete RISC like the IBM801. RISC microprocessors were first used in special purpose computers and UNIX workstations, though it gained acceptance in other areas. HP unveiled its first system containing a PA-RISC CPU.MIPS computers unveiled the first commercial RISC microprocessor design which was 32-bit R2000. Storage of big programs in memory became a ...

Introduction Virtual education is greatly considered the potent solution to the growing problems of public education. This new form of distance education delivers instruction and content as a formal course of primary, secondary and collegiate studies by means of the Internet and technological tools. While it can be a promising vehicle, it would require a strong reorientation. The teachers should be well trained and the course content must be of high quality. The facilities for online learning must also be good. (Demi, Coleman-Jensen, & Snyder, 2010) This type of education faces many new challenges especially in terms of its delivery. This study ...

Introduction

Income Management is a policy introduced by the Australian government in 2007 as part of the urgent measures for the Northern Territory. This consists of “quarantining” percentage of income support and family payments so that beneficiaries can only spend their subsidies on goods and services like food, education, housing, health services, clothing, etc. This program was implemented by Australia’s Centrelink. In 2010, a more sophisticated model of this income management policy was reintroduced by the Australian legislature. It has been known as the “new model of Income Management in the NT.” (Australian Social Policy Conference, 2011) Those who fall under ...

Evaluating Communication Theory in Relation to Audience and Message

Communication theory explains how people are influenced by the communication methods, the communication subtle ques as well as processes involved in communication (Suresh, 2003). The basic theory of communication has four dimensions for the translators. They include the source or author or the speaker, the message, the channel and the audience or destination. In order for the message to reach the audience, there must be a channel through which to travel. When considered technically, the communicator is referred to as the conductor, the message be it words, signs, or pictures are referred to as symbols the channel can be the ...

Introduction

According to the report released by the United States of America (USA) Justice Department in 2003, approximately 10.4 percent of all African American men in all the states were incarcerated, imprisoned or jailed between the ages of 25 to 29 as compared to 2.4 percent of Hispanic men and 1.2 percent of Non-Hispanic white men incarcerated. This data is also closely related to the incarceration rates in the year 2001 whereby 46 percent of all the inmates sent to prison were African American while 36 percent Non-Hispanic white men and 16 percent were Hispanic men. In this and other ...