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Combodian University for Specialties Management Information System Combodian University For Specialties Management Information System CHAPTER 1 IDENTIFYING PERSONAL COMPUTERCOMPONENTS Introduction Management Information Systems (MIS) is the study of people, technology, organizations and the relationships among them. MIS professionals help firms realize maximum benefit from investment in personnel, equipment, and business processes. MIS is a people-oriented field with an emphasis on service through technology. If you have an interest in technology and have the desire to use technology to improve people‟s lives, a degree in MIS may be for you. Businesses use information systems at all levels of operation to collect, process and store data. Management aggregates and disseminates this data in the form of information needed to carry out the daily operations of business. Everyone who works in business, from someone who pays the bills to the person who makes employment decisions, uses information systems. A car dealership could use a computer database to keep track of which products sell best. A retail store might use a computer-based information system to sell products over the Internet. In fact, many (if not most) businesses concentrate on the alignment of MIS with business goals to achieve competitive advantage over other businesses. MIS professionals create information systems for data management (i.e., storing, searching and analyzing data). In addition, they manage various information systems to meet the needs of managers, staff and customers. By working collaboratively with various members of their work group, as well as with their customers and clients, MIS professionals are able to play a key role in areas such as information security, integration and exchange. As an MIS major, you will learn to design, implement and use business information systems in innovative ways to increase the effectiveness and efficiency of your company. A common misconception that MIS only concerns programming. However, programming is just a small part of the MIS curriculum. While programming concepts represent some of the founding concepts and information systems development, implementation and use, many jobs in MIS do not utilize programming at all. A large portion of the MIS degree focuses on data analysis, teamwork, leadership, project management, customer service and underlying business theories. These aspects of the degree are what set the MIS professional apart from a computer science specialist. Do you enjoy working with people? Would you enjoy the chance to work on global problems with people from all over the world? Do you enjoy analyzing and solving problems? Do you want to create innovative, cutting-edge technology solutions? Do you want to learn how to make businesses more efficient, effective and competitive? Then you should consider as your major the field that is experiencing a critical shortage of professionally trained individuals. A field where demand is skyrocketing with projected growth rates of 38 percent – the fastest of any business discipline (U.S. Bureau of Labor Statistics). MIS professionals make business better Below are some frequently asked questions regarding careers in MIS. This information will help you learn more about a career in MIS and to better understand the opportunities such a career may have in store for you. What kinds of people pursue MIS degrees? The profiles of MIS professionals are varied, but in general, such individuals possess many of the following traits: good problem solving skills ability to effectively manage time and resources a clear vision of “the big picture” as well as the “small details” a desire to work closely with other people excellent communication skills ability to think strategically about technology a desire to take responsibility for developing and implementing their own ideas What are typical career options for MIS professionals? IT Consultant Web Developer Information Systems Manager Business Intelligence Analyst Prepared by Lecture: DY CHANDOEUN Tell: 088 895 2006 Page 1 Combodian University For Specialties Management Information System Network Administrator Business Application Developer Systems Analyst Technical Support Specialist Business Analyst Systems Developer Why should I choose to major in MIS? Job satisfaction High placement rate High salaries Exciting field Challenging field Hands-on problem solving Innovation and creativity Global opportunities Great chance for advancement You can have an impact! What is an average salary for an MIS professional? MIS majors have one of the highest starting salaries of all the undergraduate degree programs in Mays Business School. The average starting salaries of our MIS graduates in 2012 was $57,705 with top students commanding salaries as high as $72,000. You will learn how to identify Motherboard Processors Memory Storage Devices Power Supplies Display Devices Input Devices What is motherboard? The motherboard is the main circuit board inside your pc .Every components at some point Communicates through the motherboard, either by directly plugging into it or by communicating Highway .Its purpose is to provide a platform for all the other components and periphearals to talk to each other. Identifying Componeents of Motherboard A. Types of system boards Integrated System Board Non intergrated system board B. System Board Components ATX, Micro ATX, LPX,NLX and BTX C. System Board Components Prepared by Lecture: DY CHANDOEUN Tell: 088 895 2006 Page 2 Combodian University For Specialties Management Information System You will learn all the component build in with board Nonintegrated System Board With non-integrated motherboards, the initial cost is higher because more individusl components need to be purchased. In case of component failure, however, replacement of the entire motherboard can be avoided. Another issue that arises with non-integrated motherboards is the availility of expansion slots to support the multiple components. Integrated System Board Integrated Motherboards have assemblies that are otherwise installed as expansion boards, integrated or built right on to the board. It tends to free up some space inside the case and allows for better accessibility and air flow. They are more expensive to repair because, if you end up with a controller failure or broken pin, it means a new motherboard. System Board Form Factors Advanced Technology Extended (ATX) Micro ATX Low Profile Extended(LPX) New Low-profile Extended(NLX) Balanced Technology Extended(BTX) Advanced Technology Extended (ATX) The ATX motherboard has the processor and memory slots at right angles to the expansion Slots. •ATX is the primary motherboards sold today •P1 is the main power connector for supply the power to the motherboard, so when you shut down the computer it will turn off automatically by itself. Micro ATX •One form factor that is designed to work in standard ATX cases, as well as its own smaller cases is known as micro ATX. •Micro ATX is designed to support with lower wattage power supplies, in order to help keep down power consumption and heat production, which is generally acceptable with the standard micro ATX suite of components. Low-Profile Extended (LPX) •A motherboard form factor used in some desktop model PCs. The distinguishing characteristic of LPX is that expansion Slot is inserted into a riser that contains several slots. So the expansion boards are parallel to the motherboard rather than perpendicular to it as in other common form factors, such as AT and ATX. The LPX design allows for smaller cases, but the number of expansion boards is usually limited to two or three. New Low-profile Extended (NLX) • The NLX form factor features a number of improvements over the current LPX form factor. Its features include: •Support for larger memory modules and DIMMs •Support for the newest microprocessors. Support for AGP video cards. •Support for dockable designs in which the motherboard can be removed without tools Balanced Technology Extended (BTX) •BTX is a form factor for PC motherboards, originally slated to be the replacement for the aging ATX motherboard form factor in late 2004 and early 2005. It has been designed to alleviate some of the issues that arose from using newer technologies (which often demand more power and create more heat) on motherboards compliant with the circa-1996 ATX specification. System Board Components Chipsets Expansion Slots Memory Slots and External Cache CPU and Processor Slots or Sockets Power Connectors Onboard Disk Drive Connectors Keyboard Connectors Peripheral Port and Connectors BIOS Chip Prepared by Lecture: DY CHANDOEUN Tell: 088 895 2006 Page 3 Combodian University For Specialties Management Information System CMOS Battery Jumpers and DIP Switches Firmware Chipset •A chipset is a group of integrated circuits ("chips") that are designed to work together. In computing, the term chipset is commonly used to refer to the specialized motherboard chips on a computer or expansion card. The term "chipset" often refers to the two main motherboard chips: northbridge and southbridge. Examples of manufacture of PC motherboard chipsets include NVIDIA, ATI, VIA Technologies, SiS , Intel, Esys, IBM, Asus, Dell A typical motherboard chipset illustration A typical north/southbridge layout Northbridge •The northbridge, also known as the Memory Controller Hub (MCH), is traditionally one of the two chips in the core logic chipset on a PC motherboard, the other being the Southbridge. Separating the chipset into Northbridge and Southbridge
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