In data communication, data link is those parts of two data terminal equipments that are controlled by a protocol along with the (71) data circuit, which together enable data (72) . So-called protocol means, in short, a set of rules that determines the behavior of functional units in achieving communication.
B.
Data circuit, however, consists of a pair of (73) transmission channels that provides a means of two-way data transmission. Between data switching exchanges, the data circuit may or may not include data circuit-terminating equipment (DCE), depending on the type of (74) used at the data switching exchange. Between a data station and a data switching exchange or data concentrator, the data circuit includes the DCE at the data station end, and may include equipment (75) to a DCE at the data switching exchange or dam concentrator location.
You want to use the Web to let Eternal users or your customers look at corporate information. But you want to keep installation at the user end (66) and you don’t want just anyone to get (67) your databases.
B.
That may be where an application server enters the picture. For more user machine independent, these t software packages, typically written in the (68) programming language.
C.
for use on Windows NT-based systems, act as go-betweens linking browser-equipped end users to the databases that (69) the information they need to (70) 。
Like many other aspects of the computer age, Yahoo began as an idea, (1) into a hobby and lately has (2) into a full-time passion. The two developers of Yahoo, David Filo and Jerry Yang, Ph.D. candidates (3) Electrical Engineering at Stanford University, started their guide in April 1994 as a way to keep (4) of their personal interest on the Internet. Before long they (5) that their homebrewed lists were becoming too long and (6) Gradually they began to spend more and more time on Yahoo.
B.
During 1994, they (7) yahoo into a customized database designed to (8) the needs of the thousands of users (9) began to use the service through the closely (10) Internet community. They developed customized software to help them efficiently locate, identify and edit material stored on the Internet.
When the subject is money, women often cling to two persistent stereotypes, one a pleasant dream, the other a nightmare.
B.
In the (1) , they hate fantasies that a white (2) will provide happily-ever-after financial security. (3) the nightmare, by contrast, they fear that an impoverished retirement could (4) them into bag ladies on the street.
C.
Now (5) advisers and managers are (6) forces to change those images. In a proliferation of books, seminars, conferences, Web (7) , and investment clubs, they are (8) out to women, helping them to become financially savvy and economically (9) . Prince Charming, they warn, may not come.
D.
"If and when he does show (10) , he may have less than you do," quips Brooke Stephens, a financial adviser.