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uranmaximum [27]
3 years ago
8

Which best describes what databases do?

Computers and Technology
2 answers:
quester [9]3 years ago
6 0

Answer:

They create categories for data.

Explanation:

They can create categories for data, by storing the data. Information itself can be stored in multiple ways, like creating categories!

I hope this helped :)

8090 [49]3 years ago
6 0

Answer:

A. They guarantee users find needed data.

Explanation:

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Place the optical discs in the increasing order of storage capacity.<br><br> UDO<br> CD<br> DVD
romanna [79]
<h2>Hello!</h2>

The answer is:

  1. CD
  2. DVD
  3. UDO
<h2>Why?</h2>

Optical disks are circular disks used as storage for binary data usually made of polycarbonate. The data is stored in the disc using a laser machine and accessed using a laser diode illuminating the data path in an optical disc drive.

CD: Compact Discs are the most basic optical disk used today, with only a capacity that goes from 0.7 GB (700 MB) to 0.84 GB (840 MB).

DVD: Digital Versatile Discs increase the storage up to 6 times compared with a CD, the capacity of DVDs optical disks goes from 4.7 GB (4700 MB) to about 17 GB(17000 MB).

UDO: Ultra Density Optical have high capacity storage that goes from 30 GB (30000 MB) to about 60 GB (6000 MB).

Have a nice day!

4 0
3 years ago
Predict how digital video will be viewed in the future. Step into the year 2028. How are people viewing digital video? Or have w
frutty [35]
<span>Google Glass was interesting; a personal screen overlaid onto the real world, with 'augmented reality' ideas. The Nintendo 3DS was the first 'no glasses' portable 3D system.

So I predict Google 3D Glasses with built in Dolby 9.1 sound emulation. </span>
6 0
3 years ago
Read 2 more answers
Make absolutely no changes to main(). Change function backwards so that the elements of the array are swapped in order for eleme
makkiz [27]

Answer:

i got you hold on.

Explanation:

5 0
3 years ago
What is the size of the array shoeSize? double [] shoeSize = {8.5, 7, 12.5, 9.5, 9, 11.5, 6}
r-ruslan [8.4K]

The size of the array shoeSize? double [] shoeSize = {8.5, 7, 12.5, 9.5, 9, 11.5, 6} is 6

Explanation:

  • Arrays are zero-based : the seven elements of a 7-element array are numbered from 0 to 6. Hence, the size of the array is 6.
  • An array is collection of items stored at memory locations. The main aim of an array is to store multiple items of same type together.
  • An array is a collection of one or more values of the same type. Each value is called an element of the array.
  • The location of an item in an array is known as array indexing.
  • The first array index is 0 or 1 and indexes continue through the natural numbers.
  • The upper bound of an array is generally language and possibly system specific.
  • An array type is a data type that represents a collection of elements each selected by one or more identifying keys that can be computed at run time during program execution.

6 0
3 years ago
The Java compiler does not check for an ArrayIndexOutorBoundsException during the compilation of a program containing arrays. O
yulyashka [42]

Answer:

TRUE

Explanation:

  • Let us first understand what is an ArrayIndexOutOfBounds Exception.
  • As the name itself suggests the index for the array has gone out of bound (permissible value) and an exception (anamoly) is resulted.
  • So, it throws an error.
  • That means if an array, Employee of size n is defined then the permissible elements are Employee[0] to Employee[n-1]. If any negative index or with the index is greater than n-1 is tried to access it throws an error saying ArrayIndexOutOfBounds Exception.
  • In java, during the compilation of the program the compiler doesn't check for the ArrayIndexOutOfBounds Exception.It checks during running the program.
  • So, it is called a Runtime Exception.
7 0
3 years ago
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