Information technology-Refers to the electronic ironware and software used to process studyLAN-Local vault of heaven networks-Allows reckoners to communicate cultivation and share resourcesOrganizations-Use information technology to slenderize time, save money, increase output and more money-Example, Banking has changed with the use of charge plate cards, ATMS and EFTPOS.
System-Is a collection of parts that work together to acquire a purposeInformation System-It performs a set of information processes requiring participants, data/information and information technology.
-It performs the information processes of collecting, organizing, analyzing, storing and retrieving, processing, transmitting and receiving and showinging information.
- It is created for a purpose and lock up in a particular environment.
EnvironmentEverything influences or is influenced by an information system and its purpose.
HardwareThe physical equipment involved in the process of informationComputerElectronic bend that can process data5 Functions of a computerInput ? entering data onto the computer such as mouse, keyboard, scannerControl ? organizer that directs flow of data in the computerStorage ? retaining data over a period of time. Devices such as optical disks and flash memoryProcessing ? changes data to produce information, performed by the CPUOUTPUT ? display of data to a person or the transfer of data to another computer such as computer screens and printers.
Types of computersPersonal computer-aka small computer-Single user computer that usually sits on a background such as laptop or notebookMidrange computer-Also known as mini computer-Commonly used for accounting-Performs the processing for number of users working at terminalsMainframe computer-More decent than midrange computer-Central computer for large number of usersSuper computer ?-Most fastest-Most expensive-More powerful for applications requiring high volume and speed.
SoftwareDetailed instructions used to direct the hardware to perform a particular travail?Systems software ? manages and controls the hardware so the application software can perform the inevitable task?Applications software ? computer programs allows the computer to achieve the task for which...
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