Disasters and Failures 7-13
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Created by:
laurenpoey on December 7, 2010
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60 terms
Terms | Definitions |
|---|---|
 B | The best way to test a concurrent system a) test each component b) is through simulation c) is to increase its speed d) provide safe points |
| C | Time Division Multiplexing (TDM) refers to the capacity of a switch to a) increase reliability in the network b) increase the cost of a telephone call c) to mix several signals on the same single line d) manually switch lines |
| C | Parallel computing in telephony allows us to a) increase the voltage b) increase the current c) increase speed and throughput d) provide internet services |
| B | A major revolution in the telephone industry occured by 1965 when the carriers began providing a) mechanical switch exchanges b) out of band switching c) international calling d) all of the above |
| B | Currently the best way to design a parallel system is (a) design and map reliability (b) using a divide and conquer approach (c) by unifying system design (d ) through simulation |
| C | An early innovation to the telephone by Thomas Watson was a) wireless communication b) out of band swithcing c) a ringer d) digital telephony |
| B | Alexander Graham Bell patented the telephone ( a ) two months before Edison ( b ) six hours before E. Gray ( c ) just on time ( d ) two years before Einstein |
| C | To avoid errors in software the telephone industry has learned to a) build a centralized unique system b) buy foreign hardware c) Build small systems that talk to each other rather than one big system d) increase the complexity of the system |
| C | At the end, the disadvantage of ATT leasing and franchising of telephones lines was that ( a ) it helped competition ( b ) it generated mismanagement ( c ) innovation was not a priority ( d ) innovation was important |
| B | Reliability is obtained by the Telcos using (a) complex software (b) redundant servers (c) manual operation (d) database systems |
| A | n the Maturity phase of the BRETAM model you find ( a ) Inexpensive products ( b ) Innovative products ( c ) Complex problems ( d ) Lack of technological support |
| D | A breakthrough is some sort of ( a ) research process ( b ) mature process ( c ) custom programming ( d ) discovery |
| C | Information Science today tries to explain things that happen in terms of ( a ) Power and information grids ( b ) Energy flows ( c ) Information flows ( d ) Energy and information |
| C | The Cost of a supercomputer is close to ( a ) Thousand Dollars ( b ) Ten thousands Dollars ( c ) Millions of Dollars ( d ) Hundred Thousand Dollars |
| A | Using the BRETAM we know that innovative products appear in the ( a ) Empirical phase ( b ) Maturity phase ( c ) Automation phase ( d ) Research phase |
| C | Edison failed with his Cylinder technology among other things due to the coming of a) Jobs' Ipod b) Poulsen's Tape c) Berliner's Disc d) Sony's Betamax |
| B | The T in the Bretam model refers to (a) Time processing (b) Theory phase (c) Technological Steps (d) Thrifty or in expensive products |
| B | A good application for a supercomputer is ( a ) Payroll system ( b ) Cryptoanalysis ( c ) Game playing ( d ) Java Programming |
| C | Schumpeter tells us that the competition that counts is based on ( a ) Quality ( b ) Performance ( c ) New Products ( d ) Price |
| B | Innovation deals a lot more that we think with handling the ( a ) technology in the product ( b ) promotion and deployment of the product ( c ) quality of the product ( d ) creation of a new product |
| D | The top Search engine in the internet is a) Yahoo b) Wikipedia c) Microsoft d) Google |
| A | Phishing is ( a ) is the process of a person acting like another person or entity to get you to sent them information ( b ) when a software program acts like a standard application to get you (or your software) to send it information ( c ) Unsolicited or junk email ( d ) the interception of data packets in transit |
| A | Phishing is ( a ) is the process of a person acting like another person or entity to get you to sent them information ( b ) when a software program acts like a standard application to get you (or your software) to send it information ( c ) Unsolicited or junk email ( d ) the interception of data packets in transit |
| C | The success of the Internet really happened when the WWW was created in (a) 1980 (b) 1987 ( c) 1992 (d) 2001 |
| A | The Internet grew from an initial project supported by (a) DARPA (b) IBM (c) Google (d) Microsoft |
| C | In its goal to distribute tools and information to the world, the Internet is a) a centralized standarized software program b) well regulated software venue c) A set of individual computer-related standards d) a US corporation |
| C | The growth of information has changed our perspective of the world, we can state that today a) technology is more science than market b) Engineering professions will double c) we are living in exponential times d) we do not need to learn new skills |
| D | The use of Page Rank to select a page is the mechanism available in ( a) MSN (b) Amazon ( c ) Yahoo ( d ) Google |
| B | Web commerce began to take place when Telcos began to offer commercial internet services in (a) 1990 (b) 1995 ( c) 2000 (d) 2005 |
| B | In the information age we are living in we have began to pay more attention to (a) information content (b) knowledge and searching (c ) energy efficient internet ( d ) telephony |
| C | Microgravity is achieved in the ISS because of ( a ) the distance from the Earth ( b ) the fact that it orbits around the Earth ( c ) a free falling experience of objects and crew ( d ) objects moving randomly |
| A | In outer space, the lack of pressure and close to vacuum generates also a lack of ( a ) warm temperature ( b) drinking water ( c ) adequate volume (d) altitude |
| B | The ISS is located in a ( a ) circular orbit around the Moon ( b ) circular orbit around the Earth ( c ) independent orbit from the Earth ( d ) circular orbit around the SUN |
| D | Delivery of the components the ISS Space Station was done ( a ) in one single rocket launch ( b ) using spare parts of previous moon missions ( c ) in two single rocket launches ( d ) in various rocket launches |
| C | In the Space Station astronauts are subject to __________________ than here on Earth a) the same physical laws with the same values b) different physical laws with the same values c) the same physical laws with different values d) different physical laws with different values |
| A | The weight of the Rocket fuel is important in a rocket launch since ( a ) It is subject to the gravity force before it burns ( b ) It is mostly bulky ( c ) May cause odors that annoy the astronauts ( d ) It does not explode |
| D | From your experience in the lab, bulding a Space Station is a matter of a) 5 years c) 15 years b) 10 years d) 30 years |
| D | While there have been indeed notable scientific achievements, the ISS can be considered (a) a success in international competition (b) a failure in international competition (c) a success in international cooperation (d) a failure in international cooperation |
| B | In order to find its way back in manned space missions NASA should ( a ) extend the life of the Space Shuttle program ( b ) plan to go back to the Moon ( c ) plan to go to Mars as soon as possible d ) increase its budget allocation to the ISS |
| B | In the Space Station, for masses M1 = 8 and M2 = 8 at a distance of D = 4 the force of atraction is proportionally equivalent to ( a ) 2 ( b ) 4 (c ) 8 (d) 16 |
| C | With the Apollo project Nasa sent to space ( a ) a two men capsule ( b ) a one man capsule ( c ) a three men capsule ( d ) an animal capsule |
| C | Nasa disregarded the advice of the constructor of the Apollo I Capsule by a) opening the hatch outward b) reduce the locks in the hatch c) pressurizing it with pure oxygen d) pressurizing it with a mixture of Nitrogen/Oxygen |
| B | Rather than landing on ground, the US decided to land on water and for the case of the the Liberty Bell Mercury MR4 mission a) the capsule was lost in the sea b) the capsule filled with water and sank b) the retrorocket kept attached to the capsule d) the helicopter dropped the capsule |
| C | After the Apollo I mission the design of the hatch change to consider C ( a ) openning it inward ( b ) including extra locks (c ) openning it outward (d) to release it automatically |
| C | JFK set the goal to go to the moon and return safely by the end of (a) 1960 (b) 1965 ( c) 1970 (d) 1975 |
| B | The US began the conquest of space putting a capsule in orbit ( a ) Before the Soviet Union ( b ) After the Soviet Union ( c ) In 1955 ( d ) Before the launch of Sputnik |
| B | Apollo 1 was the first mission of Nasa that had B ( a ) a disaster ( b ) a disaster with human fatalities ( c ) a complete success ( d ) TV transmission |
| B | In order to regain focus on the physical exploration of Space NASA will have to a) collaborate with the EU to go to Mars b) go back to the Moon b) try to reach Venus before going to Mars d) reach Mars by 2020 |
| D | In his Rice Speech JFK mentioned that the reason to go to the Moon was because a) of economic interests b) of military reasons c) the US knew how to do it d) it was hard and represented a challenge |
| C | Apollo 13 was an important mission for Nasa because it ( a ) reached the Moon ( b ) recovered from a problem with loss of life ( c ) recovered from a problem with no loss of life ( d ) had TV transmission |
| B | A byte is (a) similar to 4 bits (b ) a group of 8 bits ( c) similar to 1 bit (d) a group of 6 bits |
| A | When dealing with machine communication, Celeritas has a limit speed that is close to A ( A ) 12 inches/nanosecond ( B ) 12 inches/milisecond ( C ) 300,000 km/min (D) 120 meter/nanosecond |
| C | Bremermann's limit deals with ( A ) the amount of energy that can be stored or transmitted ( B ) inertia forces ( C ) the amount of information that can be stored or transmitted ( D ) the speed of light |
| C | The Speed of light has limit close to ( A ) 300 km/sec ( B ) 300 miles/sec ( C ) 300,000 km/sec (D ) 120 meter/nanosecond |
| D | The reason we can not accelerate to the a great speed in just seconds has to do with ( A ) Gravitational force ( B ) Speed of light ( C ) Gas Laws ( D ) Inertia forces |
| B | The value of Bremermann's limit is ( A ) 12 inches/second ( B ) 2 10^47 bits/gramsec ( C ) 300,000 km/sec (D ) 3 * 10^20 bits/gram/sec |
| C | A roundtrip to Mars at the currernt speed of a space craft will take a) 7 weeks b) 7 Years c) 15 months d) 15 years |
| D | A byte can be used to represent up to a) 8 characters b) 32 characters c) 64 characters d) 256 characters |
| B | Einstein�s E = mc2 equation could be used as conversion scheme for (a) Light to Voltage (b) Matter to Energy ( c) Information to Mass (d ) Voltage to Resistance |
| D | To travel one way to Proxima Centauri at the speed of light would take a ship up to a) 20 years b) 8.50 years D c) 14 years d) 4.25 years |
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