<span>Operating System is the software that gives the computer instructions on how to run applications. It is considered the most important program that runs on a computer because it manages all the hardware and software on it. It also controls the display/keyboard. </span>
Answer:
1. DBMS
C. <em>A storage system that provides efficient access to randomly chosen items</em>
G. <em>Performs database operations requested by application software</em>
2. data mining
B. <em>The process of extracting hidden information</em>
3. hash file
A. <em>A. means of locating a particular record within a file</em>
4. index key field
F. <em>An item used to identify records uniquely</em>
5. locking protocol
E. <em>A system to guard against database errors due to performing transactions concurrently</em>
6. relation
D. <em>A structural unit (with rows and columns) in a popular database model</em>
7. roll back schema
I. <em>A "road map" of a particular database's design</em>
J. <em>To "unwind" a transaction</em>
8. SQL
H. <em>A popular language that implements relational database operations.</em>
Pretty sure it’s keyloggers because it’s the only one that makes sense to me but I’m not 100% sure on that one
Answer:
1E
Explanation:
Here is a table to help you. Similar to a multipication table, just follow either the number 3 down to A (aka 10) or 6 x 5 and you will find your answer of
1E = 30