Use of cell phones in a workplace Essay Example for Free

Use of cell phones in a workplace Essay The use of mobile phones has become pervasive not only for social interaction but also in the day to day transactions. Tyrone Garage is a business where they are four (4) mechanics that travel around the country to repair customer vehicles 24 hours a day and also travel overseas to buy different car parts. Among the types of repair that Tyrone and his employees perform are tyre change or repair, tyre rotation, brake jobs, oil change , belt change etc . The use of nokia phones allow the mechanics to ommunicate with the garage, so they aware of where they are and can provide them with new customer information. The phones also allow the mechanics to communicate with customers such as getting the customer directions to their location. Although the garage and mechanics will call each other on the same network, the calls to customers will be on different networks. Tyrone Garage has a monthly plan with Digicel which includes 1500 minutes a month to be split between all the mechanics phones and this is used for communication between both the arage and the customers. Tyrone Garage employees use the nokia cell phones to set reminders of appointments that customer would have made. The nokia phones allows you to instantly check appointments you can also install an instant messaging chat whatsapp so you can communicate with an employee, or with the person you intend to meet at any time to confirm, clarify, or alter meeting details (e. g. location, time). This means that if meeting needs to be changed at the last minute, all parties involved can be informed quickly, even if on their way there. Three security features of Nokia phones that are useful to employees of Tyrone Garage are: Remote locking using SMS messages or security code Remote locking allows the device lock to be activated remotely where they will be a timing set on it where it can lock on it own. The end user themselves can do this by sending an sms from another user or sms emulator as long as a remote locking code is predefined in the terminal. Remote locking code can be from 5 to 20 characters or digits. If the device is lost the person who finds the phone still cannot activate any nformation on the phone even if they change the sim card because when they insert the new sim card and turn on the phone that person has to enter a security code before the phone is actually boot up. This feature reduces the risk of the device being stolen and increases the possibility of having the phone returned if misplaced or lost since it has the company label at the back of the phone. Call Barring This feature allows the employer to restrict all international outgoing calls from employees phone

Personnel Management (HRM) :: essays research papers

Personnel management - The renewed emphasis on the importance of human resources in the 1980s and 90s drew attention to the way in which people management was organized. Specifically, this meant a critical review of the functions of personnel management. Personnel management has been a recognized function in the USA since NCR opened a personnel office in the 1890s. In other countries the function arrived more slowly and came through a variety of routes. This excerpt from Human Resource Management in a Business Context looks at Personnel management from a historical perspective. Further notes: Traditional Personnel Functions †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Recruitment - advertising for new employees and liaising with employment agencies. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Selection - determining the best candidates from those who apply, arranging interviews, tests, references. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Promotion - running similar selection procedures to determine progression within the organization. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Pay - a minor or major role in pay negotiation, determination and administration. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Performance assessment - co-ordinating staff appraisal and counselling systems to evaluate individual employee performance. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Grading structures - as a basis for pay or development, comparing the relative difficulty and importance of functions. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Training and development - co-ordinating or delivering programmes to fit people for the roles required by the organisation now and in the future. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Welfare - providing or liaising with specialists in a staff care or counselling role for people with personal or domestic problems affecting their work. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Communication - providing internal information service, perhaps in the form of staff newspapers or magazines, handouts, booklets, videos. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Employee Relations - handling disputes, grievances and industrial action, often dealing with unions or staff representatives. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Dismissal - on an individual basis as a result of failure to meet requirements or as part of a redundancy, downsizing or closure exercise, perhaps involving large numbers of people. †¢Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Personnel administration - record-keeping and monitoring of legislative requirements related to equal opportunities and possibly pensions and tax. Personnel Management Personnel management has been a recognised function in the USA since NCR opened a personnel office in the 1890s. American personnel managers worked within a unitarist tradition, identifying closely with the objectives of their organization (key concept 1.3). It was natural for HRM to emerge comparatively smoothly from this perspective. In other countries, notably Australia, South Africa and the UK, the personnel management function arrived more slowly and came from a number of routes. Moreover, its orientation was not entirely managerial. In Britain its origins can be traced to the 'welfare officers' employed by Quaker-owned companies such as Cadburys.

Logarithmic functions

John Napier is the man credited to have contributed hugely to the fields of science, philosophy and mathematics. Many believe that he is the brainchild of the modern computer science since he helped in making multiplication, division and root extraction much easier especially for very large numbers. In the world of mathematics the genius of a man, John Napier is credited to have invented the logarithms as early as 1614 and states in his book The â€Å"Descriptio† that he started contemplating the idea of logarithms twenty years earlier which was in the year 1594. Using Napier’s table in his book, calculations were made using the logarithm identities. These are the present first and second laws of logarithms: Log XY = Log X + Log Y as well as Log X / Y =Log X – Log Y. In his book â€Å"the Descriptio†John Napier defined logarithmic function as a differential equation. When the base is â€Å"b† and the variable is â€Å"x† the logarithm to the base â€Å"b† of the variable â€Å"x† can be defined as the â€Å"power to which you would raise â€Å"b† to get â€Å"x†. Other scientists define logarithm as â€Å"the exponent to which the base must be raised to produce a given number†(Standler, B.R 1990). That is expressed as: if Logbx   = n the bn = x or if Y = bLogx = by = x. there are three laws of logarithm that scientists use in interpreting logarithm: These laws are: The product to sum rule – This law expresses that the product of a logarithm is equal to the sum of the individual logarithms and is expressed as: Log bXY = Log b X+ Log b Y The second law – The quotient of different rule: states that the logarithm of a quotient is the same as subtracting the logarithm of the denominator from the logarithm of the numerator; Logbx/y = Log bx – Logby The third and final law – The power rule; states that logarithm of x equals to the exponent of that power multiplied to the logarithm of x Log bXn =nLogb X Common logarithms As earlier identified a logarithm to be valid must contain a base and a variable. Logarithms are classified into two: Natural logarithms and Common logarithm. In common logarithms the base of the logarithm is assumed to be 10 when not indicated in a function, that is â€Å"log 100 = 2 if the base is not indicated† since if log 10100 = x therefore 10x = 100 hence x = 2. Common logarithm is more prevalent when using arithmetic series as opposed to geometric series. Natural logarithms In the common logarithm system the base is expressed as b whereas in natural logarithms the base number is expressed as â€Å"e†. This number â€Å"e† comes into use after the great mathematician from Switzerland by the name Leonhard Euler. Currently â€Å"e† is the base used in calculus and has since been named as â€Å"natural base†. The value â€Å"e† Can be calculated from a series of factorials starting from one (1) This is; â€Å"e† = 1 + 1/1 +  ½ +1/3 +  ¼Ã¢â‚¬ ¦ and from this, the value of â€Å"e† is approximately 2.71828182845904. Currently, when Mathematicians calculate the natural logarithm of a number they indicate it as (log x) whereas physicists and engineers denote natural logarithms as lnX. Therefore log eX=ln X(Olds, C.D.1963) Logarithms make multiplication and division easier especially when using very big numbers, very small numbers and those with decimal points. Scientists use of the 1st and 2nd laws of logarithms when adding the logarithms of the numbers the result is the logarithm of the product of those numbers whereas. Subtracting the logarithms of two numbers gives the logarithm of the quotient of the numbers. These arithmetic properties of logarithms make such calculations much faster and less laborious. Although logarithm table are slowly becoming obsolete due to the invention of calculators and computers, logarithms themselves are still very useful. However, for manual calculations which also require a great degree of precision the logarithm tables are easier since one only needs to look up in the logarithm table and do some summation which are faster and easier than performing multiplication (Weisstein, E.W 2007). Other than making calculations less labor intensive and much faster the use of logarithms also increases the accuracy of the results of calculations. This is because the use of logarithms allows minimal errors as the values in the table are approximations of the actual values and thus the error is spread. The Keplers Rudolphine table that was published in 1627, made use of the logarithms and this resulted in more accurate values of latitudes of stars. They also together with Napier’s Analogues made it cheaper and easier to calculate angles and sides of spherical triangles. The importance of this new technique is evidenced by the development of logarithmic methods based on logarithmic scales enables multiplication to be quick and easy since there is decreased long multiplication. Logarithms are very essential in the work of astronomists, navigators, mathematicians and all other scientific fields like chemistry and physics. Logarithms for chemists Chemists use logarithms to calculate chemical reactions that are ever occurring in the world that we are living in. for instance the measure of acidity of a substance is made easier when using logarithms. In the PH scale substances have PH ranging from 0 –7. A juice with PH of 4 is 10 times more acidic that the one with a PH of 5. This PH scale is logarithmic and when there is a PH change of 1 unit the acidity changes by factor of 10. As identified by students of chemistry the strength of the acidity changes towards the negative direction that is the higher the PH, the less acidic the solution. This was calculated by use of very small numbers such as 0.00001 that is written in logarithmic form as (1 x 10-5) where –5 is the logarithm of the number (Standler B.R.1990). As we all know acidic solutions contain hydrogen ions H+(aq) and the pH is found by measuring the logarithm of the concentration of these ions and since many people would be confused by negative numbers, the PH is written assuming the negative sign and this not withstanding, the PH is a logarithmic scale and the acidity of a solution with a given PH is different from that of the next pH number not by 1unit but by factor 10. Electrical and Electronic engineers use decibels and bels as units of measurements. The bell is devised in a convenient way to measure power loss in a telephone system wiring rather than giving in amplifiers – originally, the bel used to represent the amount of signal power loss due to resistance over a standard length of electrical cable, however, it is presently defined in terms of logarithms of base 10. The Richter scale that is used to measure the earthquake intensity is a perfect analogy of the bel scale. The 6.0 Richter earthquakes are 10 times more powerful than a 5.0 Richter earthquake. This means that an advantage of using a logarithmic measurement scale is the tremendous range of extension affordable by a relatively small span of numerous values. Reference: Strandler, R.B 1990 â€Å"Editorial†: Mathematics for engineers. The journal of Undergraduate mathematics and its application vol II, pages 1-6, spring Olds, C, D, 1963. Continued fractions, Random House New York Weisstein, Eric W. â€Å"Natural logarithm† from math world a wolfram web resource Accessed online on 23/09/07   

Mexican Drug War The United States And Mexico - 1055 Words

A Narco History: How the United States and Mexico Created the â€Å"Mexican Drug War† analyzes Mexico’s modern history and how the country has seen a dramatic rise of drugs and consequently an increase in the number of people associated with drug cartels and also fighting between drug organizations resulting in bloodbaths all around Mexico. The Mexican government has declared a war on drugs, this period has seen the deaths of thousands of people that has put the country in a crisis state. Mexico s drug world has been greatly influenced by the United States, primarily due to sharing a bored but also people in the United States depend on the drugs from Mexico. The factor of close proximity between the United States and Mexico, these countries interact for numerous issues. On the issue of drugs, the United States has greatly influenced how Mexico should handle it. The creation of prohibition sets the foundations for the drug war we see ravaging the Mexican people today. The state that Mexico finds itself today has origins to the start of prohibition in the United States in the early 1900s.When the United States starting passing laws against the use of narcotics like opium and cocaine, and underground market opened and demand caused sellers to look south of the border. When the drugs started to appear on the black market, the prices rose dramatically, gaining the attention of traffickers. The climate in Mexico was ideal for growing these drugs and transportation to theShow MoreRelatedDrugs Inc1667 Words   |  7 PagesAbstract Illegal drugs are no longer just a domestic problem. The drug trade business is a multibillion dollar enterprise that is run by international criminals. The drug lords behind these operations, non-nation-state actors, have become more powerful than the nation-states in their respective regions. 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Drug cartels have become comparable to Mafia figures, and have resorted to Mafia-style violence to prove to the Mexican government that they remain in control. The violence caused by drug cartels is rumored to lead Mexico to become a failed state. George W. Grayson, regular lecturer at the United States Department of StateRead MoreThe United Statesstrategy For Co mbating Drug Trafficking Across Their Shared Border1521 Words   |  7 PagesSince 2008, the United States and Mexico have worked collaboratively to combat drug trafficking across their shared border. The State Department’s current position on the situation is to to support continued cooperation with Mexico and collaborate on strategies to increase security and create policy measures that strengthen the rule of law. The State Department divides the United States’ strategy for combatting drug trafficking into four strategies: targeting cartels and their operations, aiding