Att Test 9 Ic

ATT Test 9 IC What type of circuits are found in TRANSMITTERS? - Input and signal processing What is the combining of an information signal and carrier signal? - Modulation Thermal noise can be reduced or eliminated by _______ - circuit design. What is the main reason bandwidth is a limitation in communications systems? - Reactive components How is noise quality of a communications system measured? - SNR What type of circuits are found in RECEIVERS? - Compensation, signal processing, and output The minimim requirement for building a basic telecom model includes which elements? - Transceiver, link, transceiver What type of radio is used for satellite telecommunications? - Directional Recall the basic telecom model. What elements in the house are telecom system receivers? - Telephone and PC Who is involved in the FCC rulemaking process? - All of the above What units are used to measure digital telecom bandwidth? - Bits per second What type of telecom system is typically installed in a home? - Wired Which bureau handles cordless telephone frequency allocation? - Common Carrier Bureau (CCB) What regulatory body controls the use of the radio frequency spectrum by civilians in the United Kingdom? - None When did the telecom industry peak as a business? - 20th Century What was Thomas Edison's contribution to telecom? - Inventor of multiplex Which was the parent company of AT&T? - Bell Telephone Company When was the science of fiber optics conceived? - 1910 Why did the US Congress delay the funding of a semaphore signaling system between New York and New Orleans in 1840? - Morse urged the congress to wait for his invention in be completed Which is not an example of combined systems switching? - Step-by-step switching In the early days of telephone, switching operations were performed by humans using _______ - a patch cord. The terms _______ and _______ can be used interchangeably. - exchange, switching office In _______ switching, a defined path exists between the originator and the recipient prior to any transmission of information. - circuit Which switching system has a fixed packet size? - ATM