题目内容

ISO9000族标准中的位置,它是计算机软件机构实施IS09001的指南性标准,由于IAO9001标准本来是针对传统的制造业制定的,而软件业又有许多不同于制造业的特必ISO9000-3起了桥梁作用。()将整个软件生产周期分成17个过程,并且对每一个过程按“过程—活动—任务”的三个层次具体作了解释,为了我们进一步理解ISO9000提供了帮助。

A. ISO9000-3
B. ISO9000
C. ISO9002
D. ISO/IEC12207

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试述影响左心房压得直接因素()

A. 主动脉压的大小
B. 三尖瓣有无狭窄
C. 右室压的大小
D. 主动脉瓣口有无关闭不全
E. 肺静脉对左心房的充盈及二尖瓣口通畅的程度

三尖瓣闭锁的超声所见特点是

A. 左室增大
B. 肺动脉增宽
C. 右房室口处有肌性隔膜
D.三尖瓣二尖瓣化
E.左室变小

提高计算机可靠性的技术可以分为()和()。

A. 避错技术
B. 流水线技术
C. 容错技术
D. 校验技术

Rapid advances in computer and communication technologies have resulted in the (58) merger of these two fields. The lines have bluned among computing, switching, and digital transmission equipment, and the same digital techniques are being used for data, voice, and image transmission. Merging and evolving technologies, coupled with increasing demands for efficient and timely collection, processing, and (59) of information, are leading to the development of (60) that transmit and process all types of data. The ultimate goal of this evolution is something its proponents-some of the most powerful forces in the computing and telecommunications industries-call the (61) .The (61) will be a worldwide public telecommunications network that will deliver a wide variety of services. The (61) will be defined by the standardization of user interfaces, and will be implemented as a set of digital switches and paths supporting a broad range of traffic types and providing (62) processing services. Inpractice, there will be multiple networks, implemented within national boundaries, but from the user’s point of view there will be a single, uniformly accessible worldwide network. are leading to the development of () that transmit and process all types of data.

A. the information
B. distributed systems
C. the applications
D. integrated systems

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