Answer:
It allows the designer to focus on main logic without being distracted by programming languages syntax.
* Since it is language independent, it can be translated to any computer language code.
* It allows designer to express logic in plain natural language.
* It is easier to write actual code using pseudocode.
* Unlike algorithms, pseudocodes are concise so pseudocodes are more readable and easier to modify.
Explanation:
Answer: key escrow
Explanation:
Using key escrow we are able to recover data if passphrase is forgotten. this technique uses a bypass link to get all the keys to the system only if it is an authorized entry.
Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.
I'm not a hundred percent sure but maybe silverlight?