Module 12 Flashcards
If I buy a new peripheral device and plug it in, but it doesn’t show, what three things might I be able to do?
- I may be able to download a driver for the peripheral from the Windows Update website.
- The driver might come with the device.
- I may have to download the driver from the vendor’s website.
After installing a printer where might I need to visit in order to finish setting up the peripheral?
Devices and Printers
If I no longer want a peripheral attached to my computer how could I completely remove and unistall it?
Device Manager
What is an example of an IP-based peripheral?
A network printer
What do you call a peripheral that is accessed over a network?
An IP-based peripheral
What does LCD stand for?
Liquid Crystal Display
What is a liquid crystal display (lcd)?
A flat screen display
How are LCD monitors illuminated?
LED or fluorescent
What does LED stand for?
Light Emitting Diode
What is a high quality type of LCD Display?
TFT
What does TFT stand for?
Thin Film Transistor
What does a capacitive touchscreen support?
Multitouch.
What are the three types of displays that digital projectors come in?
- CRT
- LCD
- DLP
What does DLP stand for?
Digital Light Processing
How are pixels represented in DLP displays?
By a mirror.
Where can I customize the display on my Windows computer.
Control Panel then Personalization.
What is the aspect ratio of a standard display resolution?
4:3
What is the aspect ratio for widescreen display?
16:9 or 16:10
How do I adjust my screen resolution?
Settings > System > Display
What is MULTIMEDIA?
Multimedia refers to ports used to play and record audio and video from different inputs and outputs.
What two things make up a computer’s audio subsystem?
- A sound card
- One or more I/O devices
What does a sound card do?
It processes audio signals and provides interfaces for connecting equipment.
Most PC’s come with an audio card as part of the chipset. What could I do to upgrade?
Install an expansion card.
What does chipset mean?
Embedded in the motherboard.
What is the basis of a sound card?
A DSP chip.
What does DSP stand for?
Digital Signal Processor
What does a DSP (Digital Signal Processor) do?
It processes data from the computer for speaker output and it processes microphone input into computer data.
What’s the diameter of most analog connectors/ports?
3.5mm or 1/8”
Higher end sound cards will include an S/PDIF jack. What does S/PDIF stand for?
Sony/Phillips Digital Interface.
What two types of cablings and connectors can S/PDI use?
1.Coax cabling with RCA connectors.
2. Fiber optic cabling and connectors.
What is S/PDI most often used for?
To carry signals for surround sound speaker systems.
What two printers are most used in homes?
- Inkjet
- laser
A laser printer fixes a fine powder to the paper. What is that powder called?
Toner
How is toner applied to a laser printer?
Electrostatic charging.
After toner is applied to the paper, it’s fixed to the paper using high heat and pressure in what?
Fuser Unit
What are the four colors that inkjet printers use?
Cyan, Magenta, Yellow, Blue
What does CCFL stand for?
Cold Cathode Fluorescent Lamp.
What is a CCFL (Cold Cathode Fluorescent Light)?
The bright light that illuminates the paper on a scanner.
What does CCD stand for?
Charge Coupled Device
What is a CCD (Charged Coupled Device) and how does it create a digital image?
A picture element (pixels) that generate an electrical charge in proportion to the intensity of light shined on them.
Do modern scanners use TWAIN or WIA?
WIA.
What does WIA stand for?
Windows Image Acquisition.
What does OCR stand for?
Optical Character Recognition.
What is OCR (optical character recognition)?
A software that converts a text image into a computer-editable text document.
What color jack do I plug my microphone into?
Pink
