Explanation:
Simplify the Boolean expression (AB(C + BD) + AB]CD.
Explanation:
1) the quality of purchased good may be low
2) there might me fraud and cheaters
3) it might be risky
4) we may not get our orders on time
B- You can adjust the mouse's double-click speed.
Some computer mouse software (depends on brand) will allow you to set new tasks for the mouse to perform. Sometimes there are mice that have extra buttons that can be programmed to do certain tasks.
It was quite difficult to understand what you need. Anyway, I've got it. I guess you need to much all the terms to each sentence. So I think I've done it right. Check it out:
1.an electronic index of books - <span>B. computer catalog
</span><span>
2.a device which categorizes and locates web sites - </span><span>H. search engine
</span><span>
3.to draw a conclusion - </span>D. infer<span>
4.a block of information stored in an HTML file on a server - </span><span>A. web page
</span><span>
5.the table of contents of a web site - </span><span>G. home page
</span><span>
6.a software package which retrieves information from any or all available Internet servers - </span><span>I. browser
</span><span>
7.a highlighted word or phrase within a web page which acts as a "bridge" to another web page or site - </span><span>F. hyperlink
</span><span>
8.a topic sentence - </span><span>C. key sentence
</span><span>
9.a term which aids in narrowing a web search - </span>E. keyword
