Author Question: Which of the following is the largest unit of data for computer memory? A) gigabyte B) terabyte ... (Read 48 times)

lracut11 · **on:** Jul 7, 2018

Which of the following is the largest unit of data for computer memory?

A) gigabyte
B) terabyte
C) megabyte
D) exabyte

Question 2

A kilobyte is exactly ________.

A) 1,024 bytes
B) 1,000 bytes
C) 1,024 bits
D) 8 bytes

Question 3

If OrderNumber serves as the primary key in the ORDER relation and also appears as a nonkey attribute in the INVOICE relation, then OrderNumber is said to be a:

A) foreign key.
B) candidate key.
C) pointer.
D) relationship key.
E) marker.

miss_1456@hotmail.com · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

Thank you for answering this question.

Answer to Question 2

Beautifully done Thanks

Answer to Question 3

A
Explanation: A) Because the primary key OrderNumber and it is placed in the ORDER relation, it is considered a foreign key.
CL