1. © 2003, Educational Institute Chapter 2 Hospitality Technology Components Managing Technology in the Hospitality Industry Fourth Edition (469T or 469)

2. © 2003, Educational Institute 1 Competencies for Hospitality Technology Components 1.Identify and describe system input components. 2.Identify and describe system output components. 3.Explain the function of a system’s central processing unit and distinguish read-only memory from random access memory. 4.Identify and describe common external storage devices. (continued)

3. © 2003, Educational Institute 2 Competencies for Hospitality Technology Components 5.Explain how the processing capability and speed of a system are measured. 6.Identify and describe components or devices commonly added on to a system. 7.Explain the function of an operating system. 8.Identify and describe hardware components fundamental to Internet operations. (continued)

4. © 2003, Educational Institute 3 Input Components Keyboards  Function keys  Alphabet keys  Cursor control keys  Numeric keys Touch-screen terminals Other input components  Mouse  Scanner  Voice recognition  Personal digital assistant (PDA)

5. © 2003, Educational Institute 4 Monitors  Color graphics adapter (CGA  Enhanced graphics adapter (EGA)  Video graphics array (VGA)  Super video graphics array (SVGA)  Liquid crystal display (LCD)  Gas plasma (GA)

6. © 2003, Educational Institute 5 Printers  Impact/nonimpact printers  Dot matrix printers  Thermal printers  Ink jet printers  Laser printers

7. © 2003, Educational Institute 6 ROM/RAM Read-only memory (ROM)  “Reads” but cannot “write”  Nonvolatile memory Random access memory (RAM)  Read/write memory  Volatile memory

8. © 2003, Educational Institute 7 External Storage Devices Magnetic tapes  Sequential access medium Magnetic disks  Formatting  Random access medium  Diskette/floppy disks  Zip disks Hard disks CD technology  Compact disc—read (CD-R)  Compact disc— ReWritable (CD-RW)  Digital versatile disc (DVD)

9. © 2003, Educational Institute 8 Input/Output Bus System  Data bus—transports data.  Address bus—directs operations.  Control bus—transports instructions.

10. © 2003, Educational Institute 9 Computer Add-Ons  Expanded memory  Extended memory  Internal modem  Fax board  Interface boards  Network interface card (NIC)

11. © 2003, Educational Institute 10 Basic Operating System Functions  Formats disks/discs.  Displays content of storage media.  Copies files.  Compares contents of copied files.  Deletes files.