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horsena [70]
3 years ago
12

How do optical storage devices operate?

Computers and Technology
1 answer:
Firdavs [7]3 years ago
7 0

In optical storage the data is encoded on the disk in the form of tiny pits that are arranged in the concentric rings.

so the answer should be

Optical storage devices focus a tiny pits in concentric tracks on a disk surface that acts as the storage medium.

I Hope it will help you.

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Molly, a technician, has been tasked with researching an emulator for the software developers to test cross-platform application
Tresset [83]

Answer:

Option (C) and (D) are the correct answers.

Explanation:

Because Hypervisor is an application or software that provides you a platform by which you can operate another application or software which is not supported to the current operating system just like, you can operate the mobile applications on your system with the help of Hypervisor software. In other words, it is an emulator that provides you the platform to operate different applications on your system.

8 0
3 years ago
State 3 file formats explain them in an understanding manner apart from Microsoft word and PDF
natita [175]

Answer:

Hope below explanations are enough.

Explanation:

1. JPEG (or JPG) - Joint Photographic Experts Group

JPEGs might be the most common file type you run across on the web, and more than likely the kind of image that is in your company's MS Word version of its letterhead. JPEGs are known for their "lossy" compression, meaning that the quality of the image decreases as the file size decreases.

You can use JPEGs for projects on the web, in Microsoft Office documents, or for projects that require printing at a high resolution. Paying attention to the resolution and file size with JPEGs is essential in order to produce a nice looking project.

2. PNG - Portable Network Graphics

PNGs are amazing for interactive documents such as web pages, but are not suitable for print. While PNGs are "lossless," meaning you can edit them and not lose quality, they are still low resolution.

The reason PNGs are used in most web projects is that you can save your image with more colors on a transparent background. This makes for a much sharper, web-quality image.

3. GIF - Graphics Interchange Format

GIFs are most common in their animated form, which are all the rage on Tumblr pages and in banner ads. It seems like every other day we have a new Grumpy Cat or Honey Boo Boo animated GIF. In their more basic form, GIFs are formed from up to 256 colors in the RGB colorspace. Due to the limited number of colors, the file size is drastically reduced.

This is a common file type for web projects where an image needs to load very quickly, as opposed to one that needs to retain a higher level of quality.

4. TIFF - Tagged Image File

A TIF is a large raster file that doesn't lose quality. This file type is known for using "lossless compression," meaning the original image data is maintained regardless of how often you might copy, re-save, or compress the original file.

Despite TIFF images' ability to recover their quality after manipulation, you should avoid using this file type on the web -- it can take forever to load. TIFF files are also commonly used when saving photographs for print.

5. PSD - Photoshop Document

PSDs are files that are created and saved in Adobe Photoshop, the most popular graphics editing software ever. This type of file contains "layers" that make modifying the image much easier to handle. This is also the program that generates the raster file types mentioned above.

The largest disadvantage to PSDs is that Photoshop works with raster images as opposed to vector images.

6 0
2 years ago
There is no way to track your smartphone once you lost it, true or false?
Ymorist [56]
If you originally had a tracking device installed on a different device like find my iPhone, you can easily see where it is. If your phone is Android, Google has a system where you can search where's my phone, and if you have your email login into your phone, you can log in on Google and Google will show you where it is. 
6 0
3 years ago
Read 2 more answers
Define a function compute_gas_volume that returns the volume of a gas given parameters pressure, temperature, and moles. Use
jeyben [28]

Question:

Define a function compute_gas_volume that returns the volume of a gas given parameters pressure, temperature, and moles. Use the gas equation PV = nRT, where P is pressure in Pascals, V is volume in cubic meters, n is number of moles, R is the gas constant 8.3144621 ( J / (mol*K)), and T is temperature in Kelvin.

Answer:

This solution is implemented in C++

double compute_gas_volume(double P, double T, double n){

   double V = 8.3144621 * n * T/P;

   return V;

}

Explanation:

This line defines the function, along with three parameters

double compute_gas_volume(double P, double T, double n){

This calculates the volume

   double V = 8.3144621 * n * T/P;

This returns the calculated volume

   return V;

}

To call the function  from the main, use:

<em>cout<<compute_gas_volume(P,T,n);</em>

<em />

<em>Where P, T and n are double variables and they must have been initialized</em>

5 0
3 years ago
Assume that speed = 10 and miles = 5. What is the value of each of the
Assoli18 [71]

a. speed + 12 - miles * 2  = 10 + 12 - 5 * 2. With order of operations, we do the multiplication first so the equation is now 10 + 12 - 10 = 22 - 10 = 12

b. speed + miles * 3  = 10 + 5 * 3 and again, order of operations gives us 10 + 15 = 25

c. (speed + miles) * 3  = (10 + 5) * 3 = 15 * 3 = 45

d. speed + speed * miles + miles  = 10 + 10 * 5 + 5 = 10 + 50 + 5 = 60 + 5 = 65

e. (10 – speed) + miles / miles = (10 - 10) + 5 / 5 = 0 + 5 / 5 = 5 / 5 = 1

5 0
3 years ago
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