Answer: d) B & C
Explanation: Variable substitution is the method through which the command substitution is done for the other form of command and regains its value or meaning.
This value substitution is done with the help of double quotes("...") which are inverted as well when a new form of command is to be introduced and it is known as back quotes. Other given options are incorrect because it is not determined in single quotes.Thus the correct option is option (d).
Earlier there were no ic's but vacuum tubes or transisters,..
making computer big , so big in that time, with low speed and memory
Answer:
Security Tab is the correct answer.
Explanation:
The Security Tab will enable the users to authorize anyone to use that file or directory.Many clients deleted the security tab because After that nobody can alter the security privileges on the device.
- With the help of the Security tab, we will minimize the ActiveX attacks on Internet Explorer. This option is available in the Internet Options of the dialog box.
- Other options are incorrect because they are not related to a given scenario.
<span>To assign a conditional value, use the IFF function. It is an abbreviation for Immediate If. It is a function </span>on spreadsheets that returns the second or third parameter based on the evaluation of the first parameter. <span>You use </span>IIf<span> to determine if another expression is true or false. If the expression is true,
</span>IIf<span> returns one value; if it is false, </span>IIf<span> returns another.</span>
<span>A web crawler uses a search algorithm to traverse the web.
</span>The web crawler is responsible for the process of browsing the net. It systematically browses the World Wide Web<span> by looking at the keywords in the pages, the kind of content each page has and the links, and then return this information to the search engine.</span>
The process is called Web crawling or spidering.