Question

1) What does a NAND gate do?
2) How many addresses are on the network 192.168.252.1/24, and what is the netmask for this network?
3) What is the purpose of an NTP server?
4) Produce a Venn diagram question using data from a database. For example, the results of some queries indicate that among a set of 120 people, 100 of have a home address in Massachusetts, 25 people attend school in Massachusetts. All 120 fit into at least one of these two groups.
5) What is the purpose of normalization in a relational database? Can you think of an argument when you would not want to work with normalized data?
6) What does the following code example do:
void mysteryFunction(string &theWord)
{      

       int i;
       char temp;
      
       for (i=0; i<theWord.length()/2; i++)
       {
       temp = theWord[i];
       theWord[i] = theWord[theWord.length()-i-1];
       theWord[theWord.length()-i-1] = temp;
       }
}

7) What is the purpose of CSS?
8) Is XML a good choice when transferring data from one RDBMS to another?
9) What are “authentication” and “authorization” in IT terms?
10) What is an example of a tree data structure?

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1.
NAND stands from Not And; for n inputs called a1,a2,…an, it is logically equivalent to
NOT (a1 AND a2 AND…..AND an). Practically this logic gate produces a false output only if all inputs are true....

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