Learning English(1)

1.encrypt   If a document or a piece of informiation is IS ENCRYPTED ,it is written in a special code ,so that only certain  people can read it.
E1:Account details are encrypted to protect privacy
E2:A proggram will encrypt the information befor sending
E3:~~~~~~encrypted signals
encryption: It is currently illegal to export this encryption technology from USA ||||||page 8

system software enables the application softwares interact with the computer hardware


2 address If you address a problem or task or if you address youself to it ,you try to understand it  or deal with it
    E1>Mr King sought to address those fears when he spoke at the meeting
    E2>Thoughout the book we have addressed ourseved to the problem of ethics
    E3>These programs are designed to address general-purpose and special-purpose applications.|||||||P9


once connected to the site ,read the information displayed on your monitor .using the mouse ,move the poninter on the monitor.when the poniter change from an arrow to a hand ,click the mouse button to explore other locations