A．union

B．two

C．numbers

D．between

E．within

in such a short time, no surprise to hear who say: "It will define the leading edge(73)the next five years or so." The most remarkable(74)mobile computers is the amount of data storage and memory packed(75)their tiny boxes. These devices not only handle windows easily but also run storage-hungry programs.

A．included

B．include

C．have included

D．have become

E．had become

A．readable

B．reusable

C．possible

D．constructions

E．syntactic

A．separate

B．connected

C．compared

D．selected

your shared Ethernet of token-ring LAN is tough call. Users and analysts involved in(101)high-speed LANs have learned the benefits of each. However, there are trade-offs to each, and(102)which fast LAN technology to choose is critical for(103)network performance problems and(104)costly purchasing mistakes.

A．avoiding

B．clipping

C．choosing

D．deciding

E．dissolving

A．impossible

B．fearful

C．feasible

D．program

E．question

vides a(126)for information exchange among those devices. The scope of the LAN is small typically a single building or a cluster(叢)of buildings. The LAN is usually owned by the same organization that owns the(127)devices. The internal data rate of LAN is at least several Mb/s.The basic of LAN communication is broadcasting. At each station, there is a transmitter/receiver that communicates over a(128)shared, By other stations. A transmission from any one station is(129)to and received by all other stations.

A．broadcast

B．cable

C．control

D．interconnects

E．internet

A．look

B．looks

C．account

D．accounts

esponse-oriented systems.The goal of(150)-oriented multiprocessing is to obtain high(150)(151)minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce(152)and(153). loading of system(154)

A．though

B．through

C．throughout

D．throughput

關系數據庫中有三種基本操作，從表中選出滿足某種條件的元素的操作稱為( )。

A．選擇

B．投影

C．連接

D．掃描