The elements of the
information system contains 5 elements: hardware, software, information, personnel, and operational procedures 1
. Hardware mouse_white.gif
Hardware is an important element of the information system means a computer device around, including communication devices for linking computers into a network, such as a printer. Can be divided into 3 units:
? The unit receiving data (input unit): character keys, mouse pad
central processing unit (CPU: Central Processing Unit)
display unit (unit output) such as monitors, printers, a_frog
.Gif functionality of computers compared to humans, they found that it was similar to a human getting the data from the senses, they are sent to the brain to think, and then have the
interaction
2
software. Software or computer program is an important element, which is the second stage of the work order, command the hardware work. In order to process the data according to the results of usage. Software control systems software and application software for various job characteristics of previous software. The user will need to contact using the text. The correspondence with meaningful, easy-to-understand graphical parts, such as the user's Graphical User Interface (also known as Kui: A GUI software section) is used in the market place, human scale computing is widely. And began to look to promote more group work. Or by a computer that is in an organization's computer Department, etc.
.
Software is a set of instructions that enables a computer is divided into several categories, such as
1. The system software is software used to manage computer systems and devices that exist in the system, such as operating system, operating systems and nados dot. UNIX operating system
2. Application software is software developed to run on the user's needs, such as word processing software, graphics software, software, software, data presentation, work table,
p_dendelion.gifp_dendelion.gifp_dendelion.gif
information 3. f_fish_pink.Gif information is another important element of the information system may be an indicator of success or failure of the system, because it would require to keep information from the origin information must be accurate. Information necessary to have a standard, especially when working on a group level, or organization level. Data must be stored in a structure that is organized for fast, efficient search f _ fish _ lred.Gif
4 personnel. User-level personnel executives who developed the system. Systems analyst and programmer, is an important element in the success of information system. Human-level intelligence, especially where computers have more capabilities. Users have the opportunity to develop their own capabilities, and the development of on-demand tasks manually.
National_costume_japan.gif
5
operating procedures. Operating procedures of the user or of the people involved, it is another important subject. In both cases, the normal and emergency procedures, such as saving data. Processing steps. Procedures when a breakdown or loss of information, and the steps to copy a backup safety, etc. Prepares documents and manuals that are clear.
การแปล กรุณารอสักครู่..