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HDTV

HDTV (High-Definition Television) is a new type of television that offers better resolution than a standard analog television. The different types of HDTV displays include plasma, direct-view, front screen and rear screen projection.

3,605 Questions

Why is important to have surge protector?

Surge protectors help to protect your electronic devices from power spikes and surges that can damage them. They act as a barrier between the electrical outlet and your devices, diverting excess voltage to prevent damage. Investing in surge protectors can save you money in the long run by extending the lifespan of your electronics.

Is 16 to 9 a good tv ratio?

A 16:9 aspect ratio is a standard widescreen format for TVs, which is commonly used for modern high-definition content. It offers a good balance between viewing experience for both movies and TV shows.

Is a scart lead needed if using a HDMI lead?

No, a SCART lead is not needed if using an HDMI lead. HDMI provides a better quality connection for audio and video compared to SCART. You can simply use the HDMI lead for your connection needs.

Do you need to use the Ferrite Core on cables?

Using ferrite cores on cables can help reduce electromagnetic interference (EMI) and radio frequency interference (RFI) that may affect the performance of the cable or the devices it is connected to. However, they are not always necessary and it depends on the specific situation and the level of interference present.

Formula for aspect ratio?

The aspect ratio is typically expressed as a ratio of width to height, such as 16:9 or 4:3. It can also be represented as a decimal by dividing the width by the height. The formula for aspect ratio is aspect ratio = width / height.

How many amps does a TV draw?

this answer was found concerning computer requirements, but the equation used at the end will produce the same results for whichever type of electronics you're trying to guage the watts on.

# Meets ENERGY STAR requirements

# Line voltage: 100-125V AC or 200-240V AC

# Frequency: 50Hz to 60Hz, single phase

# Maximum current: 6.5A (low-voltage range) or 7.5A (high-voltage range) for 100-125V AC, 3.5A for 200-240V AC

The maximum current would be when starting up or when the fans and processor are at 100%. I can't remember the Energy Star regs, but at idle it is somewhere down around 20W. Add the consumption of the monitor to this. A LCD screen will be way less than a large CRT.

Sustained use would be in the middle - I think the guess of 350W is pretty good for active use.

(Note: Watts = Volts x amps, so 6.5A at 120 V = 780 Watts -- that's at peak. Comparatively, this is like 8 light bulbs or 1/2 of a space heater or a microwave.)

Are there problems with LCD TVs at high altitudes?

Yes, there can be problems with LCD TVs at high altitudes due to differences in air pressure. The lower air pressure at high altitudes can affect the performance of the TV's power supply and cooling system, leading to overheating or other malfunctions. It's recommended to check the manufacturer's guidelines for specific altitude limitations.

Can dimmer switches be used with 3 way switches?

Yes, dimmer switches can be used with 3-way switches to control the brightness of the lights in a multiple switch setup. However, it is important to make sure that the dimmer switch is compatible with the 3-way wiring configuration and that both switches are designed to work together.

What is plasma and superfluids as phases of matter?

Plasma is a state of matter where atoms have been stripped of their electrons, resulting in a cloud of positively charged ions and free electrons. Superfluids are liquids that flow without any viscosity at temperatures close to absolute zero, exhibiting unique properties such as zero friction and the ability to climb walls.

Will standard 480i cable programs look OK on HDTV?

Standard 480i cable programs may not look as crisp or clear on an HDTV compared to high-definition programs due to the lower resolution. However, many HDTVs have built-in upscaling technology that can enhance the picture quality of standard-definition content to some extent. It may depend on the specific TV and the quality of the source content.

What do you use to measure a small amount of spirits?

To measure spirits the best tool is a spirit measure. A small 25ml container. When you hold this at around a 20 degree angle you can measure 12.5mls. A bar spoon is also very good for measurements of 10mls.

What are two surge suppressor specifications?

Two important surge suppressor specifications to look for are the clamping voltage, which is the maximum voltage that the surge suppressor will allow to reach your devices, and the energy absorption/dissipation rating, which indicates how much energy the suppressor can absorb before failing.

How do you disassemble a Panasonic wetdry shaver?

To disassemble a Panasonic wet/dry shaver, first make sure it is turned off and unplugged. Remove the shaver head by pressing the release button and lifting it off the shaver. You can then clean the components or replace any parts as needed. Be sure to refer to the user manual for specific instructions.

What is HL?

HL commonly refers to "half-life," which is the time required for half of a quantity of a substance to undergo decay or transformation. It is a concept frequently used in physics, chemistry, and pharmacology to understand the rate of decay or exponential decrease of a substance over time.

How do you convert a diol into an aldehyde?

A diol can be converted into an aldehyde through oxidation using a strong oxidizing agent like chromic acid (H2CrO4) or Jones reagent (CrO3/H2SO4). The diol is first oxidized into a carbonyl compound called a diketone, which then undergoes further oxidation to form the aldehyde.

What is AV IN port on a GPS Navagator?

The AV IN port on a GPS navigator is used to connect external video sources, such as a backup camera or a media player, to the device. This allows the user to display video content on the GPS screen, providing additional functionality beyond navigation.