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808-201 Ultimate - Part 2 Flashcards

1
Q

What is the standard speaker size for a laptop?

A

There is none

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2
Q

How do you upgrade the video card in a laptop?

A

You can’t! It’s usually built into the motherboard

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3
Q

How do you upgrade the CPU in a laptop?

A

You can’t! It’s soldered to the system board

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4
Q

What must be included in laptops that use an LCD screen?

A

An inverter to provide the CCFL backlight AC power.

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5
Q

What is the cause if a display is dim on an LCD laptop display?

A

The inverter, the CCFL, ot the display itself

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6
Q

What is the difference between a docking station and a port replicator?

A

A port replicator is usually compatible with a variety of laptops, plugs into a USB port, and is cheaper. A docking station is designed for a single model of laptop, which the laptop slides into.

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7
Q

What is needed when using a port replicator or docking station with a windows XP computer?

A

Seperate hardware profiles.

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8
Q

What does an imaging drum do?

A

An imaging drum is a round rotating cylinder covered with a photosensitive surface. Images are written onto the drum by shining a focused light from the laser onto the drum. Used in laser printing.

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9
Q

What does a fuser assembly do?

A

The fuser assembly generates heat, which melts the plastic particles in the toner and fuses them onto the paper. Used in laser printing.

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10
Q

What does a transfer belt do?

A

A transfer belt is used on some high-end color laser printers. Colors are applied to the transfer belt and then to the paper. This step is repeated for different colors

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11
Q

What does a transfer roller do?

A

“The transfer roller charges the paper with a high voltage. As the drum turns and the paper is moved through the printer, the charged paper attracts the toner away from the drum. The result is that the toner is transferred from the drum onto the paper. Used in laser printing.
“

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12
Q

What does a pickup roller do?

A

Pickup rollers applied to the top of the paper are used to pick up paper from the paper tray and begin feeding it through the printer

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13
Q

What does a separator pad do?

A

Separator pads spin in the opposite direction from under the paper and push extra paper back. These pads help prevent more than one piece of paper from being sent through the printer at a time.

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14
Q

What does a duplexing assembly do?

A

Duplexing assemblies are needed for two-sided printing. They are typically mounted on the back of a laser or inkjet paper. After one side is printed, the paper is routed to the duplexing assembly, which turns the paper over and reroutes it through the printer a second time.

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15
Q

What occurs during the processing stage of laser printing?

A

The image is converted to a raster image by the RIP and stored in the printer’s memory.

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16
Q

What is an RIP?

A

A raster image processor. Convert printing data to a raster image used by the printer

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17
Q

What occurs during the charging stage of laser printing?

A

The imaging drum is charged with a high negative voltage (between -500 and -1,000 VDC ) with a primary charge roller. In older laser printers, a corona wire applied the high negative voltage instead of a primary charge roller.

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18
Q

What occurs during the exposing stage of laser printing?

A

During this stage, the laser writes the raster image onto the drum

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19
Q

What occurs during the developing stage of laser printing?

A

The toner is applied to the drum during the developing stage

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20
Q

What occurs during the transferring stage of laser printing?

A

During the transferring stage, toner is transferred from the imaging drum to the paper.

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21
Q

What occurs during the fusing stage of laser printing?

A

The fusing assembly provides both friction and heat to the paper as it passes through, melting the toner onto the paper.

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22
Q

What happens if you put a transperency page into a laser printer?

A

It will melt and ruin the printer. You need special transperency paper made for paser printers

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23
Q

What occurs during the cleaning stage of laser printing?

A

A plastic or hard rubber scraper removes excess or residual toner. The lamp shines over the entire photosensitive surface of the drum, exposing it all and neutralizing the electrical charge.

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24
Q

What does the print head on an inkjet printer do?

A

This is where the ink comes out. On some printers, these are attached to the ink cartridge and disposable, on others, they are permanent.

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25
What is a printer's feeder used for?
This holds the paper before feeding it through.
26
What is a carriage used for?
This is where all the ink jet nozzles are mounted. They move back and forth across the paper at speeds exceeding a meter per second.
27
What is a printer belt used for?
This is what the printhead assembly is attached to.
28
What does a thermal printer's feed assembly look like?
It is usually wound around a spindle in a long roll.
29
What does the heating element in a printer do?
It heats the paper. It is located in the print head.
30
What type of paper does a thermal printer use?
Special thermal paper that reacts to heat.
31
What does the printhead of an impact printer contain?
Pins that strike an ink ribbon to leave dots on the paper
32
What does the ribbon on an impact printer do?
It is located between the paper and the printheads and is struck to leave an image.
33
What is another term for impact printer?
dot matrix printer
34
What is the tractor feed used for?
It feeds papers through a printer using sockets sockets that fit into holes in special paper
35
What does properties does impact paper have?
It has holes along each side which are fed through the tractor assembly. They can be connected in a continuous feed, or they can be individual sheets.
36
What actions should you take when setting up a printer for wired ethernet sharing over a network?
Set a static IP address. If dynamic, it may change when rebooted and configured computers won't be able to detect it.
37
What class of bluetooth do bluetooth capable printers use?
Typically class 2
38
What is a print server?
A computer sharing a printer.
39
What is the UNC format for networked printers?
\\ServerName\ShareName
40
What does UNC stand for?
Universal Naming Convention
41
Where can you find printer share settings in Windows 7?
Devices and Printers
42
Where can you find printer share settings in Windows XP?
Printers and Faxes
43
What are two things you must do before replacing a toner cartridge?
Shake it like a polaroid picture, and remove the cover.
44
When should you apply a maintenence kit to a laser printer?
When an error message such as "Service Required" or "Perform Printer Maintenence" appears
45
What should you do if an error message such as "Service Required" or "Perform Printer Maintenence" appears on your laser printer?
Apply a maintenence kit
46
What type of filter should a vaccum have if you use it to vacuum up toner
a HEPA filter.
47
What does HEPA stand for?
High-efficiency particulate arresting
48
When cleaning a thermal printer's printheads, what should you use?
Isopropyl alcohol and a lint-free cloth or cotton swab.
49
When vacuuming the dust out of a thermal printer, what quality should the vacuum have?
It should be ESD safe to prevent ESD damage.
50
When should you replace a printhead on an impact printer?
If a pin jams
51
What is self-grounding
When a technician touches an unpainted, metal part of a computer to prevent static discharge.
52
What is a signal ground?
The return path on an electrical circuit.
53
What is an earth ground?
This ground provides a path to the Earth. This is the round hole in an electrical outlet. It leads to a metal stake driven into the ground.
54
What is a chassis ground?
The chassis or case of a computer. The signal ground connects to the chassis ground.
55
What does the earth ground symbol look like?
A stick in the ground sending out flat shockwaves
56
What does the chassis ground symbol look like?
A crooked pitchfork
57
What does the signal ground symbol look like?
An arrow pointing down
58
Why should you always disconnect the power when working on the inside of a computer?
Because computers use "soft power" which provides power to the motherboard even when the computer is turned off.
59
When should you get help to lift something?
When it weighs more than 70 pounds.
60
What should you do when battling an electrical fire?
Disconnect the power.
61
What should you never do when battling an electrical fire?
Use water.
62
Why shouldn't youwork on the inside of a CRT monitor?
It's only for specially trained technicians. They can hold lethal amounts of voltage inside even after being disconnected from power.
63
What atmospheric variable effects static buildup?
Humidity. Lower humidity increases static buildup
64
What is the ideal humidity for computer equipment?
40 to 60 percent
65
What human element can effect humidity?
Heating systems remove humidity from the air.
66
What does a surge suppressor/protector do?
It trips a circuit breaker when it detects a spike or power surge. The system will turn off, but it will be undamaged.
67
What is an enclosure?
Something you put a computer in if it must be kept in a particularly dusty or dirty location
68
Where should you use compressed air?
Outside
69
Which two components are most susceptible to ESD damage?
The CPU and Memory
70
What two components should be disposed of with care and according to local regulations?
CRT monitors and batteries.
71
What should you do to clarify customer statements?
Ask open ended questions to narrow the scope of the problem, restate to verify understanding
72
What are 3 important aspects of setting and meeting expectations and keeping a timeline with a customer?
Offer different repair options, provide proper documentation, and follow up after to verify satisfaction
73
What should occur when security policies change?
Employees should be notified of the documented changes
74
What are the three steps of first reponse?
Identify, report through proper channels, data/device preservation
75
What is involved in the verify step of first response?
Verify that the content or activity is prohibited
76
What is involved in the report through proper channels step of first response?
Follow the reporting requirements specific to that organization
77
What is involved in the data/device preservation step of first response?
When prohibited content or activity is detected, all evidence must be protected so they remain admissable
78
Who would you contact to find out the chemical used to clean something in a larger organization?
The in-house cleaning department
79
Who would you contact to find out the chemical used to clean something in a smaller organization?
The cleaning company that was hired
80
What is not included in customer expectations?
Basic things that a customer should not have to expect
81
Do you stand on an antistatic mat, or does the equipment go on it?
Either
82
Why can't you plug a laser printer into a UPS or a power strip?
It requires too much power. Plug it straight into the wall.
83
What is the best cable to use when transferring data in an audio editing environment?
FireWire as it has the lowest latency
84
Which Twisted-Pair cables offer at least 1Gbps bandwidth?
Cat 5e and Cat 6 (watch out for AT LEAST on the test)
85
What rating on a power supply determines the number of potential drives in a computer?
The wattage rating
86
What is an alternative port used for HTTP?
8080

IT (11 decks)

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