Noise may be defined as any unwanted form of energy tending to interfere with the proper and easy reception and reproduction of signals. It may be subdivided according to type, source, effect, relation to the speaker, depending on circumstances. 1. External Noise. * Atmospheric Noise – consist of spurious radio components distributed a wide range of frequencies. Majority of these radio signals come from the natural sources of disturbance generally called static. * Extraterrestrial Noise
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Willis Havilland Carrier invented the first air conditioner in 1902. This was designed to boost the working process control in a printing plant. Carrier’s invention controlled temperature and humidity. The low heat and humidity helped keep the paper dimensions and ink alignment the same. Later his invention was used to populate productivity in the workplace. The Carrier Air Conditioning Company of America developed for the increasing demands. Gradually, air conditioning was used to help increase
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1. A user of a home telephone picks up her phone and makes a telephone call to a friend’s home telephone in another part of town. Which of the following is likely to be true about this call? Answer: A. It uses a single wire on the local loop at each end of the call. Cabling from the CO to most home telephones uses a single twisted pair of wires, an analog circuit, with the Telco performing circuit switching to switch the analog circuit through the Telco. 2. Which of the following are services
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LOGISTIC AND TRANSPORTATION MANAGEMENT MKT 681 Research paper On Submitted to: Prof. Dr. Md. Habibur Rahman Dean, BBA Program School of Business & Economics United International University Submitted By: Laskar Md. Muid 112 113 004 (group leader) Samsul Arefin 112 112 058 Tulloh Nasreen 112 112 062 Munia Alam 112 111 004 Mohammad Rezwan Khalked 112 113 017
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Problems: 1. Was not prepared for competition it started getting after the liberilastion of the economy in 1990. 2. Bloated workforce. Air india has 28000 permanent work staff , doubles jets head count. It operates 127 aircraft , compared with jets 115. 3. Highest employees per aircraft in the world. 200:1 whereas desirable is 130-170 :1 4. Bad management and faulty policies has brought air india to this crisis level. 5. A culture of complete sloth in administration. 6. Complete
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Unit 7 Assignments Multiple Choice: 1. A 2. A,B 3. A,B 4. B 5. D 6. B,D 7. A 8. A 9. C 10. D 11. C 12. C 13. B,C 14. C 15. B,C 16. B,D 17. C 18. D 19. C,D 20. B,C Key Terms: Switched circuit- A circuit created by the phone company in reaction to signaling (the user tapping telephone keys or a modem sending in the same digits), with the telco tearing down the circuit when the user is finished. Dedicated circuit-
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Zealand to pursue? 3. Air New Zealand must consider different stakeholders in its pursuit of corporate strategies. Identify the key stakeholders and their concerns Introduction Air New Zealand Limited, is the national airline and flag carrier of New Zealand. Since the appointment of Ralph Norris as Managing Director and CEO of Air New Zealand in February 2002, Air New Zealand has been working on its new strategic direction. Structural changes in the marketplace made a new direction indispensable
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slower speed lines and forward those bits inside channel in high speed line (multiplexing) and receiving bits on higher – speed lines, finds the bits in each time channel and spits those back out to the slower speed lines called DE multiplexing. 7. T-Carrier System – The
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will be based on the resistance of metals and the components with in the metal. What is analogue modulation? Is the information which is applied to the carrier signal. This is usually with radio signals. The amplitude modulation will change any frequency of the signal. Frequency Modulation is the frequency of the Carrier can wave at the input signal with the level use multiple methods When comparing the modulation we can show that both use the same method. The only difference is
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Admiral Isoroku Yamamoto Admiral Isoroku Yamamoto is one greatest naval commanders of World War II to the Japanese people and is idolized as hero. His legacy span’s from service during the battle of Tsushima Strait to the battle of Midway. Not only was he a brilliant naval commander he was an innovator and saw that the air power is the future of naval warfare and saw to the better aircraft for the Japanese navy. His methods to attack were unique and his opinions were always valued by those around
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