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Author Question: Which of the following is the largest unit of data for computer memory? A) gigabyte B) terabyte ... (Read 32 times)

lracut11

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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.


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miss_1456@hotmail.com

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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


lracut11

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  • Posts: 536
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

carojassy25

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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