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Author: Primary Association (Church of Jesus Christ of Latter-day Saints)
Publisher:
ISBN:
Category : Mormon pioneers
Languages : en
Pages : 18
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Author: Primary Association (Church of Jesus Christ of Latter-day Saints)
Publisher:
ISBN:
Category : Mormon pioneers
Languages : en
Pages : 18
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Book Description
Author: Kerry A. Graves
Publisher: Capstone
ISBN: 0736808043
Category : Education
Languages : en
Pages : 40
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Book Description
Learn what school was like in pioneer times.
Author:
Publisher:
ISBN:
Category : Oregon National Historic Trail
Languages : en
Pages : 17
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Book Description
Author: Manfred Broy
Publisher: Springer Science & Business Media
ISBN: 3642594123
Category : Computers
Languages : en
Pages : 714
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Book Description
A lucid statement of the philosophy of modular programming can be found in a 1970 textbook on the design of system programs by Gouthier and Pont [1, l Cfl0. 23], which we quote below: A well-defined segmentation of the project effort ensures system modularity. Each task fonos a separate, distinct program module. At implementation time each module and its inputs and outputs are well-defined, there is no confusion in the intended interface with other system modules. At checkout time the in tegrity of the module is tested independently; there are few sche duling problems in synchronizing the completion of several tasks before checkout can begin. Finally, the system is maintained in modular fashion; system errors and deficiencies can be traced to specific system modules, thus limiting the scope of detailed error searching. Usually nothing is said about the criteria to be used in dividing the system into modules. This paper will discuss that issue and, by means of examples, suggest some criteria which can be used in decomposing a system into modules. A Brief Status Report The major advancement in the area of modular programming has been the development of coding techniques and assemblers which (1) allow one modu1e to be written with little knowledge of the code in another module, and (2) alJow modules to be reas sembled and replaced without reassembly of the whole system.
Author: Charles River Charles River Editors
Publisher:
ISBN: 9781691212637
Category :
Languages : en
Pages : 67
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Book Description
*Includes pictures *Includes a bibliography for further reading Today the Space Race is widely viewed poignantly and fondly as a race to the Moon that culminated with Apollo 11 "winning" the Race for the United States. In fact, it encompassed a much broader range of competition between the Soviet Union and the United States that affected everything from military technology to successfully launching satellites that could land on Mars or orbit other planets in the Solar System. Moreover, the notion that America "won" the Space Race at the end of the 1960s overlooks just how competitive the Space Race actually was in launching people into orbit, as well as the major contributions the Space Race influenced in leading to today's International Space Station and continued space exploration. Space exploration was always an expensive business, and throughout NASA's history, the agency has had to justify to Congress its need for every dollar it intended to spend. This problem has helped NASA to be more careful and more creative with the money they did receive, and scientists had to justify the equipment they wanted to include on each space probe. They had to justify the size and the power demand, too. If they wanted too much, the entire mission might be scrubbed, and all their work would have been for naught. This made planning and designs leaner and more efficient, as scientists and engineers were more careful with their recommendations. At the same time, scientists have been repeatedly surprised by their discoveries. Some of those discoveries revealed the dangers of space, like the Van Allen radiation belt, dangerous to astronauts without the right kind of protection. NASA also discovered the massive radiation belt surrounding Jupiter thanks to the Pioneer probes in 1973 and 1974. Similarly, with the knowledge that Titan, the largest moon of Saturn, has a thick atmosphere, later missions were sent to investigate the moon up close. Thus, the Huygens lander pierced the Titan atmosphere in January of 2005 to investigate. Although Apollo 11's successful mission to the Moon is seen as the culmination of the Space Race, and the Apollo program remains NASA's most famous, one of the space agency's most successful endeavors came a few years later. In fact, the Pioneer program was the most diversified sequence of any of NASA's programs, and though they're now remembered for being among the first probes in history to reach the Outer Solar System, the elaborate planning changed goals several times over several years before resulting in historic successes. NASA had wanted to do a Grand Tour of the Solar System toward the end of the 1970s to take advantage of the scheduled alignment of planets, which meant the Pioneer missions were meant to be test runs prior to the main events (Voyager 1 and Voyager 2), and a great many things discovered by Pioneer 10 and Pioneer 11 were essential to the successful planning of the Voyager probes. The Pioneer Program: The History and Legacy of NASA's Unmanned Space Missions to the Outer Solar System examines the origins behind the missions, the space probes involved, and the historic results. Along with pictures of important people, places, and events, you will learn about the Pioneer program like never before.
Author:
Publisher:
ISBN:
Category : Internet resources
Languages : en
Pages : 409
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Book Description
Author: William R. Corliss
Publisher:
ISBN:
Category : Outer space
Languages : en
Pages : 632
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Book Description
Author:
Publisher:
ISBN:
Category : Pioneer (Space probes)
Languages : en
Pages : 8
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Book Description
Author: Mark Wolverton
Publisher: Joseph Henry Press
ISBN: 0309090504
Category : Science
Languages : en
Pages : 245
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Book Description
The first spacecraft to explore the secrets of the Sun, Jupiter, Saturn, and the void beyond Pluto, the Pioneer space probes have been the trailblazers of the space age, truly going where no man has gone before. Emblazoned with the nude figures of a man and a woman, etched representations of our human form, the Pioneer generation of probes were aptly named. Launched into the inky depths of space, they were more than mere machines, they were humanity's first emissaries into deep space. And the pictorial inscriptions that adorned the crafts embodied the hopes and dreams of everyone involved in the Pioneer program. They were our humble attempt to communicate with the extraterrestrial intelligent life we imagined the probes might encounter -- they were our message in a bottle. Perhaps the most efficient, reliable, and cost effective program to come out of NASA, the Pioneer missions are a shining example of how a small and talented group of people can, against all odds, pull something off that has never been done before. Indeed, more than thirty years after its launch in 1972, Pioneer 10 is still cruising into interstellar space, sending back data as it courses through the galaxy while Pioneer 6, in solar orbit, is more than 35 years old and humankind's oldest functioning spacecraft. But despite their enduring contributions, the Pioneer project remains a footnote in space history, little more than a humble prologue to its inheritors. The Depths of Space recounts the long overdue history of Pioneer both as a scientific and technological achievement and as the story of the exceptional people who made the program possible. This tight narrative captures the black-coffee buzz of full-throttle, deadline-driven production, the sharp, intense thrill of discovery, the pang of anxiety that accompanies looming danger and ultimate loss, and the satisfaction and pride of creating an enduring legacy.
Author: Valerie Bodden
Publisher: Lerner Publications ™
ISBN: 1512425109
Category : Juvenile Nonfiction
Languages : en
Pages : 35
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Book Description
Do you enjoy playing computer games or learning programming code? As a child, Ada Lovelace loved learning about math and science. As an adult, she used that knowledge to create the first computer program—before electronic computers even existed! When Lovelace was a child, girls didn't typically study math. But she loved the subject and often dreamed about new machines. Lovelace learned from famous mathematicians and became friends with inventor and engineer Charles Babbage. Realizing the full potential of his calculating machines, she became a pioneer of computer programming. But how did she get there? Find out how Lovelace's determination helped her become the first computer programmer.
