Jurnal Computech & Bisnis

14 - 22

Authors: Ahmadi, Ali

Cloud computing is an alternative model of the implementation and utilization of services related to Information Technology. This paradigm is touted to simplify the way procurement and purchasing IT products by the buyer, and also lighten the load shipments by vendor. However, there are a number of risks and constraints to adopt this model. In general, the definition of cloud computing is a style of computing with a large number of IT services that are scalable presented in the form of 'service' to external customers using Internet technologies. This provides an alternative to the vendors in the supply of business services supported by IT. Cloud computing contains a number of basic concepts, namely grid computing, distributed network of servers, distributed virtualization, and a series of services concept is Software as a Service (SaaS), Platform as a Service (PaaS) and Infrastructure as a Service (IaaS) , and so on which became known as the terminology XaaS. Cloud computing relies heavily on Internet technology. Therefore, the network infrastructure is one of the cores of cloud computing implementations. This paper will attempt to examine the role of technology in the implementation of cloud computing network.

30 - 36

Authors: Siswoyo, Bambang; Andrianto2

Travelling Salesman Problem ( TSP ) is a problem in which a trader must make a circuit or a route through several cities, where each city is visited only once and to minimize the total distance traveled . The limit is that every city that passed only once visited, and the merchant must return to the city of origin at the end of his journey . The program searches the shortest distance made, based on two algorithms namely genetic algorithms and Ant Colony System ( ACS ) . Genetic algorithm is an algorithm that works based on the mechanism of natural selection and natural genetics. The main idea behind this algorithm is to choose the best individuals from a population of individuals and between individuals recombination to generate new individuals are expected to be better than the previous individual. Ant Colony System is an algorithm that uses the workings of the ant colony to solve TSP problem. At ACS, there are a set of ants working together to determine the best solution TSP, ants working together through indirect communication using pheromone trail deposited on the sides of the graph TSP. From the difference of this approach, will be studied and compared the ability of each approach in solving the TSP.

43 - 56

Authors: Minar, Demsi

This research was conducted with the aim to: 1. Describe strategies payroll system implemented in an organization or company, 2. Describe the design of career development and promotion systems in an organization or company, and 3. Test the effect of the payroll system, career development and promotion, and leadership on job satisfaction of employees in an organization or company. The approach used to solve problems of this literature research, will refer to the theory of human resource management with a focus on the theory of compensation, career development and promotion. Payroll system, career development and promotion, simultaneously positive and significant impact on job satisfaction of employees in the organization of a company.

66 -79

Authors: Marissa, Rohman, Nanan

In order to solve very difficult problems, we often compromise on speed and systematic, and control structure that ensures obtaining the best answer. It is used what is called the search process. Search is a technique of searching for answers by examining the various alternatives that exist in the knowledge base. This leads to new facts and finally arrives at an answer or solution. The main method is a heuristic search. Heuristic is a rule that a method or procedure that is based on experience and practice, advice, tricks or other assistance that helps narrow down and focus the search process for a particular purpose. So when doing a search may appeal from the existing knowledge base matches what is expected by the user to find the fastest and shortest. One application of search methods is the following problems, achieving the goal state at 8 puzzles game. Require steps or a solution to be able to reach the state goal state. A search algorithm is to find a solution would be to use a heuristic. This heuristic method is used to narrow down the possibilities that exist in conducting the achievement goal state. In AI known as search method best first search, which is one method that utilizes the advantages of the method and depth first search and breadth-first, where this method is used to determine the direction of motion in the search space.

96 - 107

Authors: Ibrahim, Rohmat Nur

Data security is now an issue of vital importance to the world today, especially information concerning the company confidential or secret state that its presence should not be known by others. Since ancient times the security or confidentiality of information is the key to success for the authorities or the king in winning the war, so that information about the war should not be known or leaked to the enemy. In the world of informatics data security has become an object that has been developed over the years. Even emerging data security techniques such as steganography and kriftografi. At this time many emerging methods or data security techniques are quite diverse as disguises the data in a particular image or icon, encryption, passwords, or even the installation of hidden data is that it can not be known by others in this study, the authors tried to make the data contained in a folder can not be known by others with a shape like recyle bin. This is called the security system security through the system registry window, where the registry is the heart rather than the system window. By doing registry to a folder, then the folder will be registered into a recycle bin, and the folder will change the function into a recyle bin. With this kind of expected menggunakanmetode data contained in a folder can be maintained in the data security, thus the continuity of data will be maintained and safe.

119 - 131

Authors: S, E. Machpudin

Salary is income received by the employee which is one element of the cost that needs to be controlled. Therefore, the internal control system is necessary for the purpose of securing the property, generate data that would be credible , improve operating efficiency and encourage the implementation of all policies that have been set by the company can be adhered to. So that internal control is running properly it needs a good accounting system to monitor abuses form irresponsible parties so as to prevent harm to the company that may occur. The method used is descriptive and verification method by means of multiple linear regression equation analysis, correlation coefficient, coefficient of determination, and hypothesis testing using t test and F. Using multiple linear regression obtained by the implementation of payroll accounting system will streamline the internal control system Y = 15.551 + 0,828X1 + 0,373X2 + 0,077X3 - 0,054X4 + 1,140X5, while the correlation analysis results obtained R = 0.729 (very strong). The results of the analysis coefficient of determination obtained Kd = 53.14 % , indicating that the payroll accounting system plays a role in effecting internal control system by 53.14 % , with the t test obtained significant role of organizational structure t = 5.162 , documents and accounting records t = 3,505, payroll accounting procedures t = 3.437, t = 4.998 destinations > table = 1.684, t = -0.288 while report < table = -1.684 means that the report does not contribute significantly, while simultaneously obtained F count = 7,724 > Ftable = 3.255 then Ho is rejected and Ha accepted , meaning that the accounting system recitation significant role in effecting the salary system of internal control.

14 - 21

Authors: Haryana, KM. Syarif

PHP is a web-based programming language in which the system is implemented on the server side. PHP can be inserted between the HTML language scripts and other server side language arena, with it then PHP will be executed directly on the server. While the browser will execute the web page through which the server will then receive the display “results so" in an HTML form, whereas PHP code itself will not be visible.

33 - 44

Authors: Ibrahim, Rohmat Nur

Mobile phones (cell phones) are now used not only for conversation but also to play games and so on. The presence Java2 Micro Edition (J2ME) is expected to answer those needs while making more multifunctional mobile phones. Currently the latest generation of mobile phones has the ability to apply the J2ME program, which is a Java program that is specifically designed for mobile devices. Java enabled mobile applications meet the needs of its users through a variety of exciting programs. Because it can be done offline phones not only can be used as a communication tool but it can also be used as tool translator English words into Indonesian.

52 - 59

Authors: Komarasakti, Dekrita

Technological developments in the growing industrial machine encourage industrial companies spend significant investment in order to adopt the technology to produce a quality product. In the industrial machine management operations management integrated with a variety of factors, including the cost of maintenance. Maintenance that will either keep the consistency of production so that the company can maintain production capacity. PT. X as a manufacturer of materials for industrial use today is preventive maintenance and breakdown maintenance. While the company is still facing towards the maintenance of the machine, it can be seen from the data operations engine unit 258 during the year 2008, there were an average of 6 units damaged machine per month. In this study, the research method used is descriptive analysis using quantitative analysis, using descriptive analysis, regression analysis and correlation analysis. Test equipment used is the F test to test the direction of the regression coefficient of determination. The results showed that the role of engine maintenance to quality production at PT. X was not significant, as indicated by a correlation coefficient of 0.2131 and based on regression equation Y = 0.9765 + 9E - 10 ( X ). In addition to the value of the correlation coefficient r = 0.2131 actual show showed no positive role between the cost of maintenance of the quality of the product, but it is very small, because only reaches r2 = 0.0454 or just 4.54 % The results show that the value of F = 0.4758 is not significant enough to reject Ho, meaning no maintenance costs contribute significantly to the quality. Thus the research hypothesis in the case of the production of the 2008 data sample could not be proven means that there are other factors that have a positive role to the quality of production in addition to the cost of maintenance of production machinery

84 - 89

Authors: Laluma, Riffa Haviani

Information technology is a component of the success of the bank to measure the success rate of information in order to improve the performance and competitiveness of banking. Banking information technology requires a high standardization especially for security , data integrity, delivary service. Therefore banking risk management to be very crucial. According to industry standards for risk management ( Basel II ), the bank must manage operational risk in addition to credit risk and market risk, operational risk mentioned in the risk management standards which consists of 7 types of events that employment practices and workshop safety, clients, products and business practices, business disruption and system failure, execution, delivery and process management, damage to physical assets, internal fraud and external fraud. The results of this analysis show that the bank is not in full compliance in accordance with the standardization of Basel II because of problems managed only problem transactions core banking application system that has a high frequency but low risk. Banks are also not applying operational risk management information technology. So that needs to produce IT operational risk management consists of risk identification, risk evaluation, risk response, safeguards. Keywords: Basel, Safeguard

105 - 118

Authors: Suprianto

At this time the internet has become an important part of the IT world, with the number of Internet users began large corporations to private use this also makes the data traffic becomes very much. With the increasing number of traffic data is then began to appear are the people who want to know the data of others for the benefit of themselves, these people are called hacker. This can be prevented by encrypting a document or data to be transmitted so as to be read by unauthorized parties, there are several ways to encrypt the data, the authors chose the method of data encryption skipjack. This method is to encrypt a text file that is sourced from a network application examples Internet e - mail service and have 32 times the stage with the inclusion of the permutation formula and rule a, b rule that is part of the method, the method of data to be transmitted over the Internet is encrypted by sender. Then after I got to the receiver data is encrypted or decrypted the ciphertext back into plaintext data is original. Use of skipjack method with “Security Software Skipjack“ made, the encryption and decryption process is proven to help maintain the validity of the information derived from the sender to the receiver. Keywords: Hacker, Skipjack Method, “Security Software Skipjack”, Valid Information

127 - 136

Authors: R, Asep Effendi

This research aims to study and learn about the local functional supervision, internal control, the application of good governance, as well as explanations tested empirically the effect of regional and functional oversight of internal control of the system good governance. This study is conducted by survey. The population in the study area is functional regulatory authorities (Bawasda), and all officials of the 21 Department of West Java Province. Selected sample of 213 officers are spread proportionally in 21 offices. Data collected by using interviews and questionnaires. Furthermore, the data were analyzed using descriptive and path analysis. The results showed that: Monitoring functional area (Bawasda) and internal control (internal control) positive effect on good governance. Keywords: Bawasda, Internal Control, Good Governance

9 - 23

Authors: Wahana, Agung

Enterprise Architecture Planning (EAP) as a method for building information architecture. EAP is a planning method oriented architecture business requirements consist of data architecture, application and technology as well as planning the implementation of the architecture that has been created to support the business activities for the achievement of the organization's mission. EAP describes the architecture of the data, applications and technologies required to support the organization's business. Many developments of Information Technology (IT) failed due to the development of IT needs are based on the current needs without any planning. Higher Education as a provider of higher education need to plan the enterprise architecture. Enterprise architecture that is modeled on the universities, include: data architecture, application architecture, and technology Architecture.

36 - 43

Authors: Heri, Agus; Eric, Theodorus

This article discusses the lift system modeling using Promela language and use the software SPIN to verify the design. The process begins with the specification (formally), implementation, and validation. Spin indicates that the design is correct and has been proven to be verified. One reason the use of Spin is its ability to perform the verification process.

53 - 65

Authors: Pudjiantoro, Tacbir Hendro

Steganography is the art of hiding a message so that the message is not known and realized his presence. In the Internet world rapidly flowing stream of data and sending many messages through this means , but do not realize that there are so many other users are able to pick up and read the message sender . There have been many cases resulting from leaks caused the message sender does not do security or safety methods that do not use strong so biased message penetrated the other side . Problems that are commonly found on the internet is not safe to send the data include: 1) the message is visible to others and solved (cryptography), 2) the message changed it so it does not fit the original contents. This study is an effort to minimize this problem, although not necessarily the problem can be avoided entirely, but at least it will be difficult for others to commit a crime through the internet. This research resulted in the steganography tools such as text- messaging program hider that is fed into the image. The results of the program will be better deal longer to penetrate if the text being entered has been encrypted (cryptographic) beforehand.