Disk Research Papers Samples For Students

Abstract

The use of encryption and decryption techniques for securing communication is as old as the art of communication. Technically, a code is used instead of data which is a signal for intent to keep data secret. In order to recover the contents from an encrypted signal, accurate decryption key is needed. The key is basically an algorithm that is used to reverse the work of the encryption technique and get original form of data. There is always a potential threat from hackers to decode encrypted signal, to avoid such issues specialized intellectuals have worked hard and defended these threats by developing more ...

Question One

A floppy disk is a device that is used for the purpose of storing and transferring data. It is popularly referred to as a diskette. It is made up of a magnetic strip which is flexible and thin. This magnetic strip is contained in a plastic casing that prevents it from any form of destruction by natural or manmade causes. Most of the computers manufactured in the early seventies, contained slots for putting floppy disks. This is because the technology of making floppy disks was discovered in the 1960s. After the product had been tested for some time, some of the large computer ...

Storage Management- An Introduction

Application
Block Level Access
Database
Server and Operating System
Performance Management System
Storage Resource Management
Network
Storage Array
Active/ Active Storage Array
Active/ Passive Storage Array
Conclusion
References
Storage Management- An Introduction
Storage management is becoming a significant topic with the growing importance of data, the growth of data, and dependence of organizations on digital information. More complex information is being generated on daily basis. It is becoming a challenging task to manage storage environments to maintain complex data. Storage management is considered to be the most important segment in IT (Information Technology) infrastructure. It has a crucial role ...

There are different laws and regulations that guide searching a personal property. One of the permission required searching this workplace is a warrant of search. The American constitution through the 4th Amendment protects private citizens from any manner of search if the searching authority does not have the probable cause for a search (Dutelle, 2016). Therefore to search this property, there is a need to find probable cause to search this facility.
As an investigation officer, there is a need to obtain a court order and a police abstract detailing the need for the search and the probable cause ...

Operating System-Windows 7

Windows 7 is an operating system used in personal computers. Microsoft developed and released the software in 2009 as an improvement of the initial operating system Windows Vista.
In parallel computing machines carry out calculations of instructions simultaneously. The machines divide one large task into several smaller ones and then allocate each of the tasks to the multiple machines. They work together as a unit making reducing the time a single machine would take to compute or solve the same task (Kyle).
Windows 7 and Windows Server 2008 R2 is still not fully suited to support parallel processing. However, ...

I am really interested in art and aspire to be an artist myself. Therefore, I wanted to benefit from this assignment by the means of exploring the flirtations of art with mathematics. Among all great artists, M.C. Escher is the one who comes to mind when one thinks of mathematics. As I researched deeper into his art, I found out that he is more than just flirting with mathematics but in a marital relationship. So much that he can be referred to as a secret mathematician. Escher’s fascinating work holds inside a great knowledge of Euclidean and Non-Euclidean ...

- Introduction
This research paper focuses on emerging technologies that promote sustainable computing systems. According to Bhattacharya, Govindan & Sankar (2013), sustainable computing encompasses the design, manufacture, use and disposal of computers and its subsystems (monitors, networking devices, printers, communication devices and storage devices) efficiently without interfering with the environment. Contemporary computing systems such as HPC (High Performance Computing Clusters) and Data centers face the challenge of high cooling and power costs. Gupta, Mukherjee & Banerjee (2011) state that the high consumption of power is a concern because it impacts on the cost, environment, reliability and scalability of the computing systems. ...

Introduction

Computer forensics describes that part of forensic science that is involved in providing legal evidence obtained from computers and other digital storage devices. It helps in the thorough examination of digital devices in order to determine, preserve, recover and present actual information. The main procedures applied in this field require principles of recovering data in digital media where investigation is carried out to curb crimes that emerge or are conducted in computers. Over the years the use of computers has extensively enhanced the development of computer crimes hackers have engaged in activities that deprive companies and individuals off their ...

Introduction

The current paper presents the proposal for the deployment of windows server in Contoso. The plan for the effective implementation and configuration for Windows Infrastructure is also enlightened. It is implied that the company possesses adequate capital for the effective deployment of the Windows network infrastructure due to which the proposal is focused to present the effective plan rather than incorporating the extreme cost efficient measures.

Features of Windows Server 2012

The features of Windows Server 2012, as inferred by Carvalho (2012), are discussed below:

Multi-server Support

A new and redesigned server is introduced in which cloud concept is incorporated so that server manager can manage ...

This paper seeks to introduce the subject with a brief history of Windows Operating System and Linux Operating System with relevance to the subject herein. The paper will then highlight and explain the differences in memory management between Windows and Linux.
Both Windows and Linux are operating systems common to personal computers, however, Linux traditionally as was written operated with a wider range of devices; from Personal Digital Assistants to Super Computers. Windows was introduced way back in 1985 as an add-on to Microsoft DOSand Linux was written in 1991.
One of the primary roles of an operating system ...

Introduction

Mobile applications are software programs designed for use on mobile devices such as a phones and tablet computers. Mobile applications provide similar services to those offered by programs on personal computers. When mobile devices were introduced, they were used mainly for sending and receiving voice calls. Technology advanced rapidly, and mobile applications were introduced owing to the need for more functionality in mobile devices. Mobile devices are accessed by billions of people and have become necessary for daily living. The great number of mobile devices in use today has spurred the growth of mobile applications. The applications allow users to ...

Foundation of modern cosmology

Cosmology being the study of the universe has been changing over the years to what we currently view it as. Modern cosmology has been founded on the works of various principals who have studied astrology over time and during different eras.
The ancient European medieval and ancient Greeks believed the earth to be the at the universe’s center. They believed that the moon, planets, and sun were orbiting the earth. This idea was believed by many including the Catholic Church who in fact influenced people of their religion to believe so. The Catholic Church banned anybody from ...

I. Introduction
EBooks are not effective in the learning process of students for it distracts their attention. When reading that statement, many people will think differently. Some would argue that each person has their own method of learning. By the adjustment of their preferred method, they would learn something easier. I would think the same too at first. After conducting research, I would later find out a different outcome. Some people prefer to read printed books for studying. In this argumentative research paper, I will show how eBook is actually not effective for student because of various factors involved ...

Don Cortez Cornelius, popularly known as Don Cornelius, was a television show creator, host, disk jockey and producer. He was widely known for creating the dance and music franchise called Soul Train. Soul Train, a long-running syndicated entertainment program was critical in increasing Black American music and culture to the world and providing exposure to several upcoming artistes at the time. Don Cornelius was the host of Soul Train from 1971 till 1993. He was married twice and raised two sons. The paper will explore the life of Don Cornelius, the growth and impact of the Soul Train show ...

Introduction

Each application creates its own file structure and a file created by one application is usually not usable by another except for some universal formats like ASCII, PDF, HTML, and RTF. However there is a basic underlying similarity in storage media in that all storage media are divided into storage blocks of 512 bytes each. In this paper we shall discuss the file structures in three operating systems – Mac OSX, Windows OS, and Linux/Unix.
Mac OS is Apples GUI (Graphic User Interface) based operating system. The newest releases since 2001 have been released under the brand name Mac OSX. The ...

Gmail is an email service that is provided by mogul company Google well known for its browser services Google provides several internet services in cloud computing that include; Google Calendar, Google App Engine, Google Docs, Google Cloud Storage, and Gmail among others. Foremost, the choice for Gmail as a mailing service for an institution such as a university presents several security advantages. Gmail employs user passwords to ensure the security of user accounts. The passwords are integrated into the browser information that is stored in the programs files of the primary disk C of the computer. What is more the password ...

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Video Game Consoles

Introduction
Game console is a specialized electronic device designed and built for gaming. The most commonly used output device is the TV or, rarely, a computer monitor - so that such devices are called prefixes, since they put to a display device independent. Portable (handheld) gaming systems have their own built-in display (nowhere puts), so call them several PlayStations correctly.
Initially, game consoles different from personal computers on a number of important traits - they are supposed to use the TV as the primary display device, and supports most of the standard ...

Plan for Processing a Potential Crime Scene

Identifying the Potential Digital Evidence
Processing a crime scene will involve following standard procedures used in assessing a digital crime scene. According to Wile and Reyes (2011), the process of identifying the potential digital evidence will require a series of investigations to be done. Thus, this will involve assessment of the case, asking the affected parties questions, locating the evidence and documenting the results with the goal of identifying where the crime was exactly committed. In this case, the first clue to potential evidence will be to assess the intrusion detection logs. Additionally, it is important to note that network intrusions ...

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, ...

Information Systems

There are various and diverse methods of data input into a computer from different media, each of which suits a given source of information. Printed papers such as questionnaires would best be entered into the computer system through optical data readers. This method is suitable because a person only uses pens and pencils to write, then the machine reader scans over the paper and automatically inputs the data into the computer. Telephone surveys are best entered into the computer system using the voice-recognition devices. This device recognizes human voice and records the data. It also saves people from making calls and asks ...

Executive Summary

Information Technology is a rapidly developing landscape and increasingly becoming a valuable asset to the corporate world almost challenging assets such as land. IT resources must, therefore, be utilized properly for optimal growth of the corporate industry. As such, policies like an acceptable use of information technology, Bring Your Device, and Digital Media Sanitizations are put in place to govern the behavior of employees within Red Clay Renovations. The following are approval drafts for policy guidelines on each item.

Approval Draft for Acceptable Use Policy for Information Technology

The IT resources available at Red Clay Renovations are wholly owned and maintained by the firm. Use of these resources ...

Introduction

Lenovo is the Chinese company headquarters in Beijing, china and the second head quarter is in North Carolina, United States. The company Lenovo is indulged in the making of the personal computers, tablets, smart phones, and a lot of IT software, workstations, televisions, servers, and smart televisions. The Lenovo is successful in getting the largest unit sales. They develop, design and manufacture all the items mentioned above. They market the think pad for the notebook computers. Similarly, idea pads for the notebook computers. Idea center helps the desktop line, and yoga line helps in marketing the notebook laptops and ...

A brake is a device that produces artificial resistance to the moving part of a machine to stop or slow down its motion. Any machine or its part that is in motion possesses kinetic energy. As per physical laws, energy cannot be destroyed; its form can only be transformed. The brake system converts the kinetic energy of the moving machine or part into thermal, potential or chemical energy. Brake systems are of various types utilized in different applications in industries, home appliances, vehicles, railway trains, and other sectors. This paper has focused on the brake systems used in vehicles, ...

Introduction

A database refers to a collection of organized information. The purpose of this configuration is to enable the easy access, management and updating of data. Databases can be grouped according to the content types they hold. They can be full-text, bibliographic databases and images. In the field of computing, databases get classified according to their approach in terms of organization. The relational database is the most common approach. It is a tabular database whereby data gets refined so as to be organized and accessed in multiple ways. Object-oriented programming databases are congruent with data defined in object subclasses and ...

In the summer of 1947, something in the sky crash-landed near Roswell, New Mexico. Several locals claimed that there were horrific thunderstorms that summer, and when they were out in the location of the crash, they found metal debris strewn across a wide area approximately three-quarters of a mile long. One of the men, Mack Brazel, took some of metal pieces back to his house and he and the neighbors examined the material. Brazel and his neighbors, the Proctors speculated that the metal could be from a crashed spacecraft. That summer over New Mexico there had been quite a ...

Introduction

Our galaxy, the star system of our solar system, is called the Milky Way. The Milky Way is a grand cluster of stars visible in the sky as a bright band of fog. In the ancient Greek, the word "galaktikos" means "milk", "milky", so the Milky Way and stellar systems similar to it are called galaxies. In our galaxy, there are more than 200 billion stars of very different luminosity and color ("The Milky Way Galaxy - 200 billion stars", 2016).
The Solar neighborhood is the volume of the galaxy, where we can observe and study the stars of ...

Cloud computing is a phenomenon which is becoming increasingly popular paralleled with an increase in our requirements for high-speed processing and continuously increasing disk space. Not just for personal rather this technology is also increasingly being employed in businesses where different companies are outsourcing all of their technological services. Not only is their data being stored on third-party servers rather cloud computing companies are also providing them with different software’s and applications to be used to run their everyday operations. We as individuals also use cloud computing in various everyday operations, and this technology comes to us in ...

Source

Abstract
Sickle Cell Disease is a life-long debilitating disease that affects nearly 100,000 Americans (Sickle Cell Disease). Sickle Cell Disease is most common among people of African, Caribbean, Indian, Mediterranean, Saudi Arabian and people of Central and South American descent. Many scientists attribute Sickle Cell Disease to being the result of an evolutionary response against malaria (University of Utah Health Sciences) The reason for this is because the majority of cases of Sickle Cell Disease are located in regions of Africa or exist in descendants of Africans who used to live in areas that had high levels of ...

Understanding the working principle of a gasoline-powered vehicle necessitates knowledge not only concerning gasoline, but also knowledge regarding automobile's engine associated systems. Two forms of technology include conventional technology and advanced technology. The backbone of most cars today are conventional technology involves engine structure, combustion, and a combination of interlocked systems. Four main systems of a gasoline-powered include air, fuel, exhaust, and engine.

Working Principle of Gasoline-Powered Engine in Thermodynamic Viewpoint

According to Fisher (2015) findings, the air system conveys a mixture of fuel and air to the engine. The fuel system store gasoline in the automobile conveys gasoline to air intake system, and the mixed gasoline ...

Introduction

A black hole is a region in space-time, the gravitational attraction which is so large that it can not leave even objects moving at the speed of light, including photons of light itself. The boundary of this region is called the event horizon, and its characteristic dimension - the gravitational radius. In the simplest case of a spherically symmetric black hole Schwarzschild radius is equal to it.
Theoretically, the possible existence of such regions of space-time should be of some exact solutions of Einstein's equations, the first of which was obtained by Karl Schwarzschild in 1915. The exact inventor of ...

Introduction

At the centre of the solar system is the Sun. The nearest four planets are Mercury, Venus, Earth and Mars these are terrestrial and rocky worlds. The next four are Jupiter, Saturn, Uranus and Neptune these are gas giants. Between the orbits of Jupiter and Mars lies an asteroid belt that includes the dwarf planet of Ceres. After the orbit of Neptune, a disk shaped Kupiter belt exists where the dwarf planet Pluto exists and further beyond that there is a giant spherical Oort Cloud and the heliopause that is teardrop shaped (Choi).

History and Discovery

Many ancient astronomers thought that the Earth used ...

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Investigation, collection of photos, videos and other artifacts are becoming sophisticated to scrutinize criminal cases and discover bad perpetrators in illegal actions. The employment of scientific or technical data to address the questions in court law refers to forensic. As defined by CNN, “digital forensic refers to branch that focuses on the identification, acquisition and analysis of information found on digital devices, digital cameras, cellular phones or any computer-based systems .” Since the introduction of personal computers 30 years ago, the advent of the internet 20 years ago and the continuous usage ...

(Study Programme)

Abstract

Virtual machines technology is the latest technology for resource allocation in any company’s computing environment. One major benefit of virtual machine environments is the capabilities to support different operating systems on a physical computing system’s hardware and gracefully accommodate system upgrades and migrations depending on the company needs. With optimum allocation of computing resources in a computing environment, there is the need for companies to implement virtual machine technology in their computing systems. This paper explores the benefits and challenges of virtual machine technology implementation in an enterprise including the services offered by such implementation. It also ...

Braking systems are mechanical devices that have been developed with the purpose to slow, stop or prevent motion. They are present on the virtually all moving devices including automobiles and trains. Brakes operate through different mechanisms and some brakes may actually be complex systems that are made of up more than one type of braking device with some automobiles carrying redundant systems. The choice about what kind of brake should be used on answering two questions. The first is about determining the physical energy transfer method that is the best for the application. The second is about determining which ...

The information at hand does not conclusively determine if a crime has been committed or not. It is thus important to secure the scene of crime.
The plan for include developing the infrastructure to determine if an attack really happened and what are the extent. This will ascertain the validity of claims of breach and if confirmed take appropriate steps to retrieve reliable digital evidence that can be used sufficiently to sustain a case at the court of law. Before the start of digital investigation, time on all the servers was synchronized with NTP.
Verification of suspected crime will ...

There are many issues and details that one has to put in place when dealing with forensic laboratory. The computer forensics lab is designated place either permanent or mobile for carrying out computer based investigations. It is also a collection of techniques, processes ad procedures that are used in collection, storage, analysis and presentation of digital evidence in relation to cybercrime. Building a forensic laboratory is therefore a complicated task. Some of the key issues that one must look out for is the design of the building because it is not a just like any other ordinary structure. The key issues that should ...

When scientific methods are used in the process of preserving, collecting, validation, identification, analysis, interpretation, documentation, and presentation of digital evidence from digital sources, then the process is called digital investigation. The evidence may be used to facilitate the construction of events deemed to be criminal or are in contrast with the laid down procedures.
Digital investigations for an organization differ to digital investigation for law enforcement because of the procedure adopted. Different models of operation have been suggested depending on the complexity of the situation.
Digital investigations arise as a result of an occurrence suspected, attempted or ...

The human circulatory system can be defined or referred to as the organ system in the human being’s body system that is responsible for the transportation of blood around the body. It is burdened with the duty of permitting the lymph and blood circulation to transport nutrients. The lymphatic system is an extension of the human circulatory system and it comprises of antibody-mediated and cell-mediated immune systems.
The major parts of the human circulatory system include the blood, heart, white and red blood cells, platelets, and the lymphatic system. The circulatory system can be seen only as a ...

The technique of low coherence reflectometry has been extended to tomographic imaging in the systems of the biological. The light from the coherence property which is reflected from the retina provides the required information from the reflective boundaries of the delay on the time-of-flight. This delayed information helps in determining the longitudinal site location of the reflection. This is achieved by the use of OCT system’s scans providing the location of the reflected site map in a two-dimension. It uses a mode that operates in the analogous which is then converted to ultrasonic pulse-echo imaging .
The resolution of the ...

Within the last few weeks, much debate has arisen because of the announcement by the CEO of Yahoo that workers who have been telecommuting will soon have to begin working only from Yahoo physical offices instead. The debate focuses on the reasons for this change in policy, but much of the debate has raised questions about the benefits of telecommuting. One need only look at the comments section of several online articles about this change at Yahoo to see that many people who telecommute assert that they work much more productively at home, while others cling to their beliefs ...

With the emergent of computers and other electronic in many sections of many people, there is a formidable influence on the juridical system. Digital evidence is information stored on or transmitted by a computer. Digital evidence such as videos, photos, measured values are being accepted in courts. Electronic evidence should be taken care of because it is exceptionally fragile, and it can be modified, damaged or destroyed.
There are many cases where digital evidence has not been protected and has impacted on the cases. The failure of such cases results from the fact that vital digital evidence is ignored, destroyed ...

Amazon Web Services provided for by Amazon was an original idea that was aimed at providing IT services on the web. This was boosted by the fact that high initial installation and maintenance costs required to set up a competent IT department was a challenge to many companies. Ericson, an international company that provides mobile services are one of the companies that has embraced cloud computing. It attributes its interest in technology to its cost-effectiveness, application of updated software, remote access services and the on-demand aspect of cloud computing.
Being an integrated public cloud, AWS allows for access to its ...

Introduction

Innovation of computers has made the work of man easier and has also changed the way man does his things currently. However, despite the fact that computers are said to be effective and efficient in data storage, computer viruses can turn that idea into a nightmare all of a sudden. A computer virus is described as set of instructions in a computer that may attach and reproduce it’s self in other codes which are executable. A computer virus is normally said to be manmade and can stand on its own without the support of other programs. A computer virus is generally ...

Throughout much of world history, the advent of the rainy seasons has been seen as a positive. Indeed, in ancient Egypt, the arrival of floodwaters down the Nile River were a vital part of the cycle of life, as those floodwaters brought with them the fertile silt that would line the riverbanks the rest of the year, allowing farmers to plant and cultivate crops. The Nile river god and the sun god, Ra, were the two primary deities of that culture – if they did not deliver, then people would starve. Throughout much of Asia, the monsoon season – characterized by long periods ...