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20
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1
Name
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First Name
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2
Company
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3
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Street Address
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Afghanistan
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Samoa
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Saudi Arabia
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Serbia
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eSwatini
Sweden
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Taiwan
Tajikistan
Tanzania
Thailand
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Togo
Tokelau
Tonga
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Tristan da Cunha
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Turkey
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Venezuela
Vietnam
British Virgin Islands
Isle of Man
US Virgin Islands
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe
Other
Please Select
Please Select
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
The Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
Botswana
Brazil
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Cook Islands
Costa Rica
Cote d'Ivoire
Croatia
Cuba
Curaçao
Cyprus
Czech Republic
Democratic Republic of the Congo
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
France
French Polynesia
Gabon
The Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Jersey
Jordan
Kazakhstan
Kenya
Kiribati
North Korea
South Korea
Kosovo
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macau
Macedonia
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
Myanmar
Nagorno-Karabakh
Namibia
Nauru
Nepal
Netherlands
Netherlands Antilles
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
Turkish Republic of Northern Cyprus
Northern Mariana
Norway
Oman
Pakistan
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn Islands
Poland
Portugal
Puerto Rico
Qatar
Republic of the Congo
Romania
Russia
Rwanda
Saint Barthelemy
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Martin
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovakia
Slovenia
Solomon Islands
Somalia
Somaliland
South Africa
South Ossetia
South Sudan
Spain
Sri Lanka
Sudan
Suriname
Svalbard
eSwatini
Sweden
Switzerland
Syria
Taiwan
Tajikistan
Tanzania
Thailand
Timor-Leste
Togo
Tokelau
Tonga
Transnistria Pridnestrovie
Trinidad and Tobago
Tristan da Cunha
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
Uruguay
Uzbekistan
Vanuatu
Vatican City
Venezuela
Vietnam
British Virgin Islands
Isle of Man
US Virgin Islands
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe
Other
Country
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4
Email
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example@example.com
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5
1. From what do we calculate the pixel clock frequency of a certain video signal?
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It only depends on the size of the active video area and the refresh rate.
It only depends on the size of the blanking interval and the refresh rate.
It depends on the size of the full frame including the active video area and the blanking space and the refresh rate.
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6
2. What is EDID?
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EDID contains the capabilities of the displays.
EDID is an encryption method used between a video source and a display.
EDID describes a control protocol for video switchers.
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7
3. How does HDMI carry audio signals?
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There is a separate dedicated audio wire in the HDMI cable.
Audio is embedded in the video signal.
HDMI cannot carry audio.
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8
4. How many bytes does a basic EDID contain WITHOUT extensions?
32
128
512
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9
5. Why and where is cable equalization necessary in DVI and HDMI systems?
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Cable equalization is necessary at the output of the source because it reclocks the signal before sending it through a cable.
Cable equalization is not required for DVI and HDMI at any cable length.
Cable equalization is necessary at the display side, because long cables attenuate the signal.
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10
6. Which audio format is always supported by audio capable HDMI sink devices?
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Stereo PCM
Dolby 5.1
DTS TrueHD Master Audio
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11
7. What does Deep Color mean?
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Deep Color is a new color space introduced by HDMI 1.0.
Deep Color means wider brightness and contrast capabilities in a display device.
Deep Color means that more bits are used to represent color information for each pixel.
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12
8. How can Lightware factory default EDIDs force the video source to output the desired resolution and refresh rate?
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Lightware factory default EDIDs disable the graphics processor in the source and let Lightware devices take over control.
Lightware factory default EDIDs support only one resolution and refresh rate and as per the DVI and HDMI standards, the source cannot send anything other than what is described in the EDID.
Lightware factory default EDIDs cannot force the video source, because EDID is anencryption method.
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13
9. Which of the below interfaces support true RGB 4K 60Hz signal?
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DisplayPort v1.1
HDBaseT
HDMI 2.0
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14
10. What enables HDBaseT to carry signals to up to 170 meters on copper wires in an uncompressed,lossless way?
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HDBaseT sends the signal with the same TMDS architecture as HDMI, but it uses higher amplitude.
HDBaseT can only carry signals to a maximum of 60 meters.
Long Reach mode and PAM modulation enable high bandwidth at lower frequencies and lower frequency signals can be transmitted to higher distances.
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15
11. Does EDID contain information about the device’s HDCP capability?
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They are both communicated via the DDC channel but EDID doesn’t contain any HDCP related information.
There is a flag in the EDID that indicates whether the device is HDCP compliant or not.
HDCP and EDID are the same thing, but with different names.
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16
12. What does an active HDMI-to-DisplayPort converter do?
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It only does voltage level shifting.
It performs data format conversion between a TMDS and a packet based DisplayPort signal.
It removes HDCP encryption.
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17
13. What is the difference between the construction of Singlemode and Multimode fiber optical cables?
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Last chance to check your answers!
Singlemode is utilizing refraction to keep light in the core, Multimode is using a mirror-like metal coating around the core.
They have different core diameters.
Multimode fibers are using polarizers, Singlemode fibers don’t.
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18
Total Score
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19
Success Quiz
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20
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21
Quiz test passed, you are brilliant!
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22
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