EXTRON UPDATED Exam Questions and
CORRECT Answers
The human eye can differentiate individual picture frames at which of the following rates? -
CORRECT ANSWER- 10-12 frames per second
Which of the following projects a ray of light through a lens to display an image onto a
surface? - CORRECT A...
The human eye can differentiate individual picture frames at which of the following rates? -
CORRECT ANSWER- 10-12 frames per second
Which of the following projects a ray of light through a lens to display an image onto a
surface? - CORRECT ANSWER- Projector
Which of the following is the smallest component of a digital image, composed of individual
Red, Green, and Blue - RGB color elements? - CORRECT ANSWER- Pixel
Chroma Subsampling is a form of: - CORRECT ANSWER- Compression
True or False: Progressive Scanning draws each line sequentially from left to right, creating a
full image frame in one pass from top to bottom. - CORRECT ANSWER- True
Which of the following describes how often the display can redraw the screen to show a new
image? - CORRECT ANSWER- Refresh Rate
Which of the following interfaces renders images as micro packets similar to network data? -
CORRECT ANSWER- DisplayPort
Which of the following is used for connecting peripheral devices (keyboard, mouse) to
computers, as well as for power to charge portable devices? - CORRECT ANSWER- USB
Which one of the following describes the relationship of width and height of an image? -
CORRECT ANSWER- Aspect Ratio
Which one of the following measures an image's width and height using pixels? - CORRECT
ANSWER- Resolution
, Which one of the following consists of thin organic layers between two conductors
(transparent anode and metallic cathode) that convert electric current into light? - CORRECT
ANSWER- OLED
Which one of the following is a reflective surface made up of thousands of tiny mirrors, each
representing a single pixel? - CORRECT ANSWER- DLP
Which one of the following is the smallest component of a screen image, composed of
individual Red, Green, and Blue - RGB primary colors? - CORRECT ANSWER- Pixels
Interlaced scanning may be described as: - CORRECT 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? - CORRECT ANSWER- Color Bit Depth
Which one of the following is a digital transmission interface for uncompressed video, multi-
channel audio, and control data that also supports High-bandwidth Digital Content Protection
- HDCP? - CORRECT ANSWER- HDMI
Which one of the following digital broadcast standards is adopted in Europe, Asia, and
Africa? - CORRECT ANSWER- DVB
DVI and HDMI both use a signaling method known as: - CORRECT ANSWER- TMDS
Which of the following defines the science or study of sound, how it's created, its ability to
travel within a space, and the way it's managed? - CORRECT ANSWER- Acoustics
- CORRECT ANSWER- Decibel (dB)
Which of the following has a ground wire, and carries analog signals as one hot wire and one
cold wire in reverse polarity to cancel noise and interference? - CORRECT ANSWER-
Balanced cables
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 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 MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.31. You're not tied to anything after your purchase.
