Exam (elaborations)
EXTRON AV ASSOCIATE CERT EXAM WITH ALL QUESTIONS AND VERIFIED ANSWERS
- Course
- Institution
EXTRON AV ASSOCIATE CERT EXAM WITH ALL QUESTIONS AND VERIFIED ANSWERS...
[Show more]
Content preview
What is the speed at which the human eye can recognize distinct pictureframes? - ANSWER 10-12 frames per second
Which of the following should project a ray of light through a lens to display an
image onto something? - ANSWER Projector
Which of the following is the smallest unit of a digital picture that is made up of
single Red, Green and Blue - RGB colour components? - ANSWER Pixel
Chroma Subsampling is a type of: - ANSWER Compression
True or False: Progressive Scanning draws every line one after the other from
left to right, drawing a complete image frame in one pass from top to bottom. -
ANSWER True
Which of the following is the rate at which the display redraws the screen to
represent a new image? - ANSWER Refresh Rate
Which of the following listed interfaces sends out images as micro packets
similar to network data? - ANSWER DisplayPort
Which of the following is used to connect peripheral devices to the computer
(such as keyboard, mouse) and for power to charge portable devices? -
ANSWER USB
,Which of the following describes the relationship of width and height of an
image? - ANSWER Aspect Ratio
Which of the following measures an images width and height using pixels? -
ANSWER Resolution
Which of the following consists of thin organic layers between two conductors,
which are usually a transparent anode and a metallic cathode, and convert
electric current into light? - ANSWER OLED
Which of the following is a reflective surface consisting of thousands of tiny
mirrors, wherein each mirror represents one pixel? - ANSWER DLP
Which of the following is the smallest integral unit that builds a screen image
by combining Red, Green, and Blue-RGB primary colors? - ANSWER Pixels
Interlaced scanning may be described as: - ANSWER Images drawn in two
alternate fields as odd & even numbered lines
Which one of the following indicates the amount of data used per pixel to
present color information? - ANSWER Color Bit Depth
Which among the following is a digital transmission interface for uncompressed
video, multi-channel audio and control data supporting High-bandwidth Digital
Content Protection - HDCP? - ANSWER HDMI (High Definition Multimedia
Interface)
Which among the following digital broadcast standard is adopted in Europe,
Asia and Africa? - ANSWER DVB (Digital Video Broadcasting)
, DVI and HDMI both make use of a signaling methodology known as: -
ANSWER TMDS - Transmission-Minimized Differential Signaling
Which one of the following describes the science or study of sound, how it is
created its ability to travel within a space and the way it is controlled? -
ANSWER Acoustics
Which of the following is a logarithmic ratio to measure the change in sound
intensity or electric signals? - ANSWER Decibel (dB)
Which of the following cables are balanced, has a ground wire, and carries
analog signals as one hot wire and one cold wire in reverse polarity to cancel
noise and interference? - ANSWER Balanced cables
Which of the following type of connector is commonly used for twisted pair
cabling that carries digital audio over the network? - ANSWER RJ-45
Which of the following acts as a transducer and changes one form of energy to
another and also can be categorized based on its method of sound pick-up? -
ANSWER Microphone
Which of the following is known as the safety zone that allows audio peaks to
exceed the nominal level w/o clipping? - ANSWER Headroom
Which of the following is the term for reducing the sound levels of background
music, giving way to an important voice-over announcement? - ANSWER
Ducking
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Mirror. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now