(81) M.Jackson suggested the data structure oriented software design method. Which of the following structure can be introduced by using input/data structure? (2 points)
A) algorithm structure B) procedure structure
C) code structure D) program structure
(82) Software testing is acomplicated procedure.In the following testing method,which is the basic test lf software testing?
A) system testing B) effective testing
C) element testing D) integrated testing
(83) Typical MISD (multiple-instruction single-datastream) computing mode is
A) Pentium Ⅱ B) Alpha C) Systolic D) Staran
(84) Local bus can reduce the occupation time of CPU. For the PCI local bus, commonly the time can be reduced to
A) 46% B) 26% C) 16% D) 6%
(85) There are many page replacement algorithms in page management.The most frequently used algorithm is
A) FIFO B) LRU C) OPT D) PPT
(86) The technology

for carrying out multiple processing by means of multiple pipeline is called (2 points)
A) Superscalar B) Superpipeline
C) Multiple pipeline D) Very long instruction word
(87) In most WANs ,the network contains numerous cables or telephone lines, each one connecting a pair of
A) hosts B) routers C) servers D) networks
(88) Three concepts are central to the OSI model:Service,Interface and
A) Iayers B) Applications C) Protocols D) Networks

(89) The underlying technology that makes B-ISDN is called
A) ATM B) Frame relay
C) SDMS D) X.25 Networks
(90) URLs have three parts: the DNS name of machine on which the page is located,then a local name uniquely indicating the specific page and (2 points)

A) protocol B) IP address
C) Network name D) Server name