Saturday, May 11, 2019
Information systems Essay Example | Topics and Well Written Essays - 1250 words
Information placements - Essay Example(Joseph, 2008) define an information organization as the study of complementary networks of hardw are and software that people and organizations workout to collect, filter, process, create, and distri ande info (p416). evening though there are many definitions as to what an Information system is, the definitions all agree on the fact that it is all about how humans relate with technology Figure 1 components of an IS 1. ironware Hardware refers to all the machinery that will be used by the firm in the information system. The most primal hardware in the information system is the data processor. The computer has its own important hardware parts uniform the storage, the control unit, the processors and many others. Some people refer to the hardware part of the information system as the central processing unit because this is actually where all the data processing for the system is done. The hardware of the computer must have five important pa rts for it to function optimally (OBrien, 2003) Input This is the means by which the computer accepts data that is fed into it via the enter devices. The most commonly used input device is the keyboard where the user types instruction manual that the computer processes. Other input devices include microphones for sound input, scanners for digital input and mice. Process at a time the computer has accepted input, it must have a means by which it will process data. each computer usually has a part that is used for the process of the data that it receives from the input devices Control there are many processes that the computer usually performs and it is important to have a means of controlling the diverse operations for optimum results. The Arithmetic and Logic Unit is used to control the different arithmetic and coherent operations that the computer is working on. Storage Computers must have a means of retaining the data that is input into the system. This is usually done on the main hard drive of the computer or any attachment storage devices like memory sticks, external hard drives, DVDs and many others. Output After data has been input into the computer and all the processing of the data has been completed, the computer must then have a itinerary of generating feedback for the benefit of the user. This is achieved through the output devices. There are two types of output devices. There are those that shed soft output like the monitors and the speakers and there are those that give hard output like the printers and the plotters. 2. software package This term refers to any computer application and all the manuals that come with these applications. To put it simply, software is a vex of computer or machine readable instructions that tell the computer exactly how to manipulate the data that is fed to it by the user. The software is very important in the information system since it is the one that has instructions on how to manipulate the data there by giving the necessary output which management can use for decision making. Software usually comes stored on DVDs and other auxiliary storage devices like flash disks but it has to be installed onto the computer system for it to be used. Most of the software is usually for sale although there are some that are given under the General Public User license agreement. The computer system will be totally useless without the relevant software (OBrien, 2003) 3. Data This
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