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ITEssentials:chap14
Flash cards for chapter 14: advanced printers and scanners
| Question | Answer |
|---|---|
| What are some safety tips for moving large pieces of equipment? | Lift heavy things with legs and knees(not back, Wear appropriate clothing and shoes, and don't wear loose jewlery or baggy clothes. |
| what should you do before performing any services on equipment? | unplug it and let it cool |
| Name 2 printer pieces that become hot after use. | Print heads (dot matrix) fuser assembly (laser) |
| What specific areas on printers hold large amounts of voltage even after being unplugged? | Corona Wire and transfer roller assembly |
| What is a local device? | one that plugs directly into a computer. |
| what 5 ways can local devices such as printers and scanners be hooked up to a computer using cables? | Serial, Parallel, SCSI, USB, and Firewire |
| What are some examples of wireless technologies used to connect local devices such as printers and scanners to computers? | Bluetooth, and Infrared |
| Describe Serial connections. | Movement of single bits of information in a single cycle. Dot matrix printers can use Serial connections because they dont require high-speed data transfer. |
| Describe Parallel connections. | Multiple bits of information in a single cycle. path is wider to allow more info to move to or from printer. IEEE 1284= Serial |
| What are 2 modes of operation that allow bi-directional communication for Parallel ports? | Enhanced parallel Port (EPP) and Enhanced Capabilities Port (ECP) |
| What are the 4 types of SCSI connections? | SCSI 1- 50-pin connector, SCSI 2(fast SCSI)- 50-pin connector, SCSI 2(wide SCSI)- 68-pin connector, and SCSI 3(fast/wide SCSI) 68-pin connector. |
| How many devices can a single USB port support? | 127 |
| What are some characteristics of USB? | hot-swapable, USB 1.1-12Mbps, USB 2.0-480Mbps, USB 3.0-up to 5Gbps |
| What is another name for Firwire? | i.Link |
| How many devices can a single firwire port support? | 63 |
| what is the IEEE standard for Fire wire and what is it's speed? | IEEE 1394, supports data rates up to 3.2Gbps |
| What do most Printers use to connect to Networks? | RJ-45 ethernet |
| What is Graphics device interface? (GDI) | a Windows component that manages how graphical images are transmitted to output devices |
| What is Page Description Language (PDL)? | a type of code that describes the appearance of a document in a language that a printer can understand |
| Compare PostScript (PS) to Printer command language (PCL) | PS-rendered by printer, better quality, handles complex jobs, used on Mac OS, output is identical on all printers. PCL-rendered at workstation, faster, requires less memory, supported by Mac Os 10.5 or later, output varies slightly |
| wich media control options set the way a printer manages media? | Input paper tray selection, Output path selection, Media size and orientation, Paper weight selection |
| wich printer output options manage how the ink or toner goes on the media? | Color management, Print speed |
| what are 2 methods of selecting options for a printer? | Global, and per-document. |
| Global option method | refers to printer options that are set to affect all documents. Each time a document is printed, the global options are used, unless overridden by per-document selections. |
| Per-document option method | uses specific settings that are can be different for each print job. |
| what should you do to a scanner after installing a driver? | calibrate it. |
| What are the three functions of a print server? | to provide client access to print resources,to administrate print jobs, storing them in a queue until the print device is ready for them, and then feeding or spooling the print information to the printer, and to provide feedback to the users. |
| What are the 3 kinds of print servers? | Network print servers Dedicated PC print servers Computer-shared printers |
| describe network Print servers | Network print servers allow many users on a network to access a single printer. A network print server can manage network printing through either wired or wireless connections. |
| What are the pros of Network Print Servers? | An advantage of using a network print server is that the server accepts incoming print jobs from computers, and then frees the computers for other tasks. |
| What are the Cons of Network Print Servers? | A disadvantage of a network print server is that it may only allow you to print to an all-in-one device. Some printers are not compatible with print servers. |
| what are some characteristics of a Dedicated PC Print Server? | is a computer dedicated to handling client print jobs in the most efficient manner Dedicated PC print servers can manage more than one printer at a time |
| What are some resources that print servers need to meet the requests of print clients? | Powerful Processor, Adequate HDD space and adequate memory. |
| what's an advantage of computer-shared printers? | A user's computer that has a printer attached can share that printer with other users on the network. In a home network, it means users can print documents using a wireless laptop. |
| What's a disadvantage of a computer-shared printers? | If a user on the desktop is working at the same time that a user on the network is printing, the desktop may notice a performance slowdown. In addition, the printer is not available if the user reboots or powers down the computer with a shared printer. |
| What does Printer Memory Help with? | job buffering, page creation, improved photo printing, and graphics. |
| what does Job buffering do? | Is when a print job is captured into the internal printer memory. Buffering allows the computer to continue with other work instead of waiting for the printer to finish. |
| What types of printers have Job buffering? | Buffering is a common feature in laser printers and plotters, as well as in advanced inkjet and dot matrix printers. |
| What are 2 factors to consider when buying printer memory? | Memory type, and memory population and availability. |
| Why does the memory type matter? | This denotes the physical type of memory, its speed, and capacity. Some are standard types of memory, whereas others require special or proprietary memory. |
| Why does the Memory population and availability matter? | This denotes the number of memory upgrade slots in use and how many are available. This may require opening a compartment to check RAM. |
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alejo_flash
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