Analog vs digital - Study guides, Class notes & Summaries

True or False: MER is a much better measure of digital signal quality than C/N. - ANSWER-True What are common cable problems that lead to reflections? (Choose 3) - ANSWER-Water or Moisture/// Sheath faults or cuts/// Crimps, Kinks, or Compressed Cables True or False: Communication signals travel faster over coax than over unshielded twisted pair. - ANSWER-True The standard method of locating a leak using a dipole antenna is called: - ANSWER-triangulate the of source of a leak True or...

Field Tech 2 SCTE Exam with Correct Solutions 2024 True or False: MER is a much better measure of digital signal quality than C/N. - Answer -True What are common cable problems that lead to reflections? (Choose 3) - Answer -Water or Moisture/// Sheath faults or cuts/// Crimps, Kinks, or Compressed Cables True or False: Communication signals travel faster over coax than over unshielded twisted pair. - Answer - True The standard method of locating a leak using a dipole antenna is called: - ...

INSY 2303 EXAM 3 REVIEW STUDY GUIDE 2023 COMPLETE AND BEST FOR REVISION 2023. Digital Revolution-ongoing process of social, political, and economic change brought about by digital technology Convergence-process by which several techs with distinct functions evolve to form a single product The Web-collection of linked documents, graphics and audio available over the internet Cloud Computing-access to info, apps, comms, and storage over the internet Chapter 1 Bits vs. Bytes-(bit)binary di...

MIS Chapter 14 Questions & Answers 2024 Analog vs. Digital Signal - ANS-Analog is circuit switching, point to point connection, quality connection, and pay for connection whether it is used or not. Digital is packet switching, multiplexing (saves money), started with computers, and now radio, TV, film, and music are all digitized. Bandwith - ANS-Network transmission speeds, typically expressed in some form of bits per second (bps). Colocation Facilities (Colos) - ANS-Provides a place wher...

What is a wave? a rhythmic disturbance that transfers energy What are the 2 main types of waves? mechanical and electromagnetic Electromagnetic waves _____ require a medium do NOT Mechanical waves ____ require a medium do How is sound produced? vibrations What is frequency? the number of waves that pass a given point in one second What does the sound amplitude determine? the energy content What did Robert Boyle do? he discovered that the v...

9/11 11SEP2001 Al Qaeda terrorist hijack 4 planes that crash into World Trade Center/Pentagon/Pennsylvania How many people were injured during 9/11? 6,000 people How many people died in 9/11? 2,996 How many terrorist hijackers of 9/11 died? 19 Operation Noble Eagle After 9/11 fighter aircraft flew air patrols, National Guard/Reserve protected assets. 100 fighter planes continued to monitor airspace. War on Terror President Bush demands Taliban gov deliver...

Ultrasound physics Ch.15-17 Questions and Answers 2023 Bistable composed of only 2 shades: black and white (high contrast) Gray scale multiple levels of brightness, allows the system to assign different gray shades to differentiate biologic tissues Controls which alter characteristics of displayed images 1) contrast: determines the range of brilliances (bistable images which are only black and white are high contrast) 2) brightness: determines brilliance of the displayed image...

UTA INSY 2303 Study Guide Exam 3 Review Updated Digital Revolution - an ongoing process of social, political, and economic change brought about by digital technology, such as microchips, computers, and the Internet. Convergence: - process by which several technologies with distinct functionalities evolve to form a single product The Web - a collection of linked documents, graphics, and audio that can be accessed over the Internet. Cloud Computing - provided access to information, app...

MTM 3010 Final Exam Mono one track Stereo 1950's- two tracks Multitrack digital recorders digitized sound recording and reproduction that allows for the separate recording of multiple sound sources or of sounds sources recorded at different times to create a cohesive whole. Hard disc computer recording direct-to-disk recording system that uses a high capacity hard disk to record digital audio or digital video. Alternative that provides other editing capabilities. ProTools digital audi...

Chem 420 Exam Questions And Answers (Verified And Updated) Three types of electrical domains? - answerAnalog Signals - magnitude of voltage, current, charge, or power; continuous in both amplitude and time Time-domain Signals - time relationship of signal fluctuations; frequency, pulse width, phase Digital Info - Data encoded in discrete levels; great accuracy and precision Where does noise come from? (2 types) - answerChemical noise: temperature, pressure, humidity, fumes, etc Instrumen...