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Aneli [31]
3 years ago
12

3. Cellular phone technology works on a system of geographically separated zones

Computers and Technology
1 answer:
Nataly [62]3 years ago
8 0

Answer:

Cellular phone technology works on a system of geographically separated zones

called

B. Cells

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Your computer uses 4 bits to represent decimal numbers (0, 1, 2, 3 and so on) in binary. What is the SMALLEST number
lord [1]

Answer:

C

Explanation:

I believe this is because you cannot represent the number sixteen with only four binary bits. The highest you can go is 15.

8 0
3 years ago
1. Write a high level algorithm for cooking a cheeseburger.
pishuonlain [190]

Answer:

1.  A high level algorithm for cooking a cheeseburger could be:

  1. Heat fry pan
  2. Cook one side of the hamburger
  3. Wait
  4. Turn hamburger upside down
  5. Put cheese over hamburger
  6. Wait
  7. Cut hamburger bread in half
  8. Put cooked hamburger inside bread
  9. End (eat)

2. A detailed algorithm for cooking a cheeseburger could be:

  1. Place fry pan over the stove heater
  2. Turn on heater (max temp)
  3. IF fry pan not hot: wait, else continue
  4. Place raw hamburger on fry pan
  5. IF hamburger not half cooked: Wait X time then go to line 5, else continue
  6. Turn hamburger upside down
  7. Put N slices of cheese over hamburger
  8. IF hamburger not fully cooked: Wait X time then go to line 8, else continue
  9. Turn off heater
  10. Cut hamburger bread in half horizontally
  11. Put cooked hamburger on one of the bread halves.
  12. Put second bread half on top of hamburger
  13. End (eat)

Explanation:

An algorithm is simply a list of steps to perform a defined action.

On 1, we described the most relevant steps to cook a simple cheeseburger.

Then on point 2, the same steps were taken and expanded with more detailed steps and conditions required to continue executing the following steps.

In computational terms, we used pseudo-code for the algorithm, since this is a list of actions not specific to any programming language.

Also we can say this is a structured programming example due to the sequential nature of the cooking process.

7 0
3 years ago
Which formula is properly constructed
kirill115 [55]

Answer:

Option 4 is correct ,=(B2+C9)

Explanation:

In excel a formula starts with an equal sign followed by the expression.

In first option the formula is incorrect inside the brackets. where 4 is equating to bracket. In 2nd option opening and closing brackets are not same. First closing bracket is missing an opening bracket. In third option all the formula is correct except the part where # is used in formula. Hash tags cannot be used in formula as a value. Here in option D  B2 and C9 are cell in excel, whereas parentheses are only used for better readability.

7 0
3 years ago
Consider the LIBRARY relational database schema description provided below which is used to keep track of books, borrowers, and
sdas [7]

Answer:

1) Yes, Publisher relation should have a publisherID primary key.

2) NOT NULL and UNIQUE for the BookID, BranchID, CardNumber and name of the borrower in the Book, Book_Copies, Library_branch, and Borrower relations respectively. The DueDate field of the book_loan relation must be a time constraint. The BookID of the Book relation must be serial number for automatic addition and update of bookid across the database.

Explanation:

The Publisher relation should have primary key publisherID which should replace the publisherName in the Book relation to easily make a join query and attain a third-level database model.

8 0
3 years ago
How can i get a java complier for linux and ubuntu?
egoroff_w [7]
You can install Eclipse. If you want you can look into the Ubuntu store and see if they have any.
5 0
3 years ago
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