NCTI Consumer Digital Electronics questions with correct answers
7 views 0 purchase
Course
Ncti field tech
Institution
Ncti Field Tech
What is the name of the group that established the initial technical standards for the television industry, ensuring a single system would deliver consistent service across the nation? Answer The National Television System Committee (NTSC).
What signal modulation technique do cable operators use...
NCTI Consumer Digital Electronics
questions with correct answers
What is the name of the group that established the initial technical standards for the
television industry, ensuring a single system would deliver consistent service across the nation? Answer ✓✓ The National Television System Committee (NTSC).
What signal modulation technique do cable operators use to transport digital television signals through the cable network? Answer ✓✓ Quadrature amplitude modulation (QAM).
What is the major change in enhanced definition TV (EDTV) that improved picture quality over standard definition TV (SDTV)? Answer ✓✓ The use of progressive scanning mode in EDTV.
What legislation required all television stations switch to digital-only broadcasting? Answer ✓✓ The U.S. Deficit Reduction Act.
Why are digital terminal adapters (DTA) more cost effective than a full-featured set-top box (STB)? Answer ✓✓ DTAs do not communicate RF upstream..
What terrestrial transmission technology did the Advanced Television Systems Committee (ATSC) select?. Answer ✓✓ 8-level vestigial sideband (8-VSB)
Which system advanced television to high definition (HD)? Answer ✓✓ The multiple sub-Nyquist sampling encoding (MUSE) system. How do set-top boxes (STB) typically connect to high definition televisions (HDTV) to provide the best picture quality? Answer ✓✓ To provide the best HD picture, STBs typically connect to HDTVs via a High-Definition Multimedia Interface (HDMI).
What inexpensive device is used by cable operators to provide digital TV (DTV) services to all of their customers? Answer ✓✓ A digital terminal adapter (DTA).
Which technology enables cable operators to control access to services by encrypting the programming? Answer ✓✓ Conditional access (CA).
Which statement below is correct in describing the internal process of a cathode ray tube (CRT)? Answer ✓✓ Magnetically directed electron beams, from electron guns, horizontally move back and forth, sending electron beams through a shadow mask.
Which type of TV technology had to overcome early disadvantages such as weak contrast, a lag or trail effect where fast-moving images appear to "smear" and screen door effect where viewers see a visible pixel structure at close range? Answer✓✓ Liquid crystal display (LCD)
The liquid crystal in liquid crystal display (LCD) technology is suspended between
two glass plates and the crystals are normally in a twisted configuration. What type
of light follows the orientation of the crystals, and is allowed to pass through? Answer✓✓ Polarized Light.
Projection technology enables larger displays than those of flat panel or direct view
TV sets. With rear-projection TV sets, what does the depth of the TV set depend on? Answer✓✓ The size of the screen
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 BillRanker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
