caption: a printer and server are used in a computer or database
exif: {"Image DocumentName": "\u0e0a\u0e19\u0e34\u0e14\u0e02\u0e2d\u0e07 Server File Server Print Server Communication Server", "Image ImageDescription": "4/4/2017. \u0e0a\u0e19\u0e34\u0e14\u0e02\u0e2d\u0e07 Server. File Server. Print Server. Communication Server. Database Servers. File server : Typcal is a fast machines, they act as remote hard disk for the network workstation. It has to be fast to keep up demand for multiple user, track security to make sure that data sent to the right station, make sure that 2 or more station don\u2019t break file. For peer to peer, file server may run some software and run background to service other users. This kind of file server is not reliabkle. Print Server : Most of major server-based let you use the file server as a print server as well. Usually, print server can take in data fromclient faster than the printer they\u2019re connected to can print. They have extra RAM memory to store the print jobs until the printer catchs up. This is called print spooling. Some printer can be print server. Communication Server : let clients share modems, other communications equipment(like fax board) or gateway to other system.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}