●数据压缩技术是多媒体信息处理中的关键技术之一，数据压缩技术可分为 (56) 两大类。 (57) 是一种与频度相关的压缩和编码方法， (58) 主要用于视频信息的压缩， (59) 则常用于静止图片的信息压缩。由三基色(RGB)原理出发的RGB彩色空间，在多媒体技术中最常用的，此外还有多种彩色空间，但 (60) 不是计算机上用的彩色空间。
(56) A.可逆与不可逆
B.高速与低速
C.编码与非编码
D.冗余与非冗余
(57) A.兆指令/秒
B.ISDN
C.哈夫曼
D.Gauss
(58) A.兆指令/秒
B.MPEG
C.JPEG
D.JIPS
(59) A.兆指令/秒
B.MPEG
C.JPEG
D.JIPS
(60) A.YUV
B.HIS
C.XYZ
D.IMG
●计算机的发展已进入了网络计算的新时代。Internet是目前世界范围内最大的互联网。如此多的各种计算机之所以能通过Internet相互通信，是因为它们遵循了一套共同的Internet协议。这套协议的核心是 (61) ，在其上建立的无连接的运输层协议是 (62) ，万维网WWW上超文本传输遵循 (63) ，电子邮件传输遵循 (64) ，Ethernet与Internet连接时要用到 (65) 。
(61) A.TCP
B.IP
C.EIDFACT
D.HDLC
(62),(65) A.HDLC
B.ARP
C.UDP
D.FTP
(63) ~(64) A.FTP
B.ICMP
C.SMTP
D.HTTP
●A basic premise of OGSA is that everything is (66) by a service：a network enabledentity that (67) some capability through the exchange of messages.Computational resources，storage resources，networks，programs，databases，and so forth are all (68) .This adoption of auniform service-oriented model means that all components of the environment are virtual.Morespecifically，OGSA represents everything as a Grid service：a Web service that conforms (69) a set of conventions and supports standard interfaces for such purposes as lifetime management.This core set of consistent interfaces，from which all Grid services are implemente
D. (70) theconstruction of hierarchical，higher-order services that can be treated in a uniform way across layersof abstraction.
(66) A.defined
B.represented
C.used
D.passed
(67) A.provides
B.have
C.expands
D.limits
(68) A.elements
B.objects
C.services
D.capability
(69) A.of
B.to
C.as
D.from
(70) A.forms
B.groups
C.consist
D.Facilitates
●(71)data effectively is crucial for success in today's competitive environment Managers must know how to use a variety of tools Integrated data takes information from different sources and puts it together in a meaningful and useful way One of the difficulties of this is the(72)in hardware and software(73)integration uses a base document that contains copies of other objects(74)integration uses a base document that contains the current or most recent version of the source document it contains
(75)provides an overview of the program written in"plain"English,without the computer syntax
(71)A.Generalizing B.Sharing C.General using D.Globalizing
(72)A.similarity B.interoperability C.diversity D.interaction
(73)A.Simulated B.Duplicated C.Dynamic D.Static
(74)A.Linked B.Pointed C.Dynamic D.Static
(75)A.High-leve language B.Decision tree
C.Pseudocode D.Flowchart
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