Microsoft Windows is derived from the UNIX operating system. True False The bigg
ID: 3590987 • Letter: M
Question
Microsoft Windows is derived from the UNIX operating system.
True
False
The biggest problem of the DBMS is the data sharing.
True
False
32-bit hardware and software can address up to 8 GB of memory.
True
False
A DBMS only controls access to data.
True
False
All tables in a relational database represent physical objects.
True
False
In the relational model, relationships between relations or tables are created by using:
foreign keys
determinants
composite keys
candidate keys
A key:
identifies a column
can only be one column
identifies a row
must always be composed of two or more columns
What is one of the advantages in Supply Chain management?
Increased inventory investment
CEO information overload
Reduced storage costs
The Bullwhip effect
What position in the company needs to have a high performance audio?
CEO
A Mechanic in a noisy shop
An Accountant
An Audio Engineer
What does the computer’s operating system do?
Communicates with peripherals
Coordinates the processing of jobs
Monitors resources and handles basic security
none of the above
All of the above
A.foreign keys
B.determinants
C.composite keys
D.candidate keys
A key:
A.identifies a column
B.can only be one column
C.identifies a row
D.must always be composed of two or more columns
What is one of the advantages in Supply Chain management?
A.Increased inventory investment
B.
CEO information overload
C.
Reduced storage costs
D.
The Bullwhip effect
What position in the company needs to have a high performance audio?
CEO
B.
A Mechanic in a noisy shop
C.
An Accountant
D.
An Audio Engineer
What does the computer’s operating system do?
A.Communicates with peripherals
Coordinates the processing of jobs
C.Monitors resources and handles basic security
D.none of the above
E.All of the above
Explanation / Answer
1). False.
2). True
3). True
4). False.
5). Foreign Keys
6). Identifies a column
7). Increased inventory investment
8). An Audio Engineer
9). All of the above.