Task4
Directions：The following is a list of terms used on the internet．(下略)
A—ogy Digital B—Arithmetic and Control Unit
C—Asymmetrical Digital Subscriber line D—Automatic Digital up Unit
E—Application Program Intece F—Audio Video
G—Bulletin Board System H—Basic Input Output System
I—Broad-band Integrated Service Digital J—Bits Per Second Network
K—Computer-Aided Designed Drafting L—Active Server Page
M—Common Gateway Intece N—World Wide Web
O—Uniform Resource Locator
Task4Directions( )电子公告牌系统 ( )万维网