Answer: D.
Data about user preferences and activity is captured and stored under a cookie on a company’s Web server.
Explanation: The most common and best-known technology for user tracking is the use of cookies. Other known online website tracking tools are tracking pixels (or pixel tags), web beacons (or ultrasound beacons), and browser fingerprinting (or digital fingerprinting), amongst others.
a cookie will contain a string of text that contains information about the browser. To work, a cookie does not need to know where you are from, it only needs to remember your browser. Some Web sites do use cookies to store more personal information about you.
Answer:
a. The cell tower forwards the call to the wireless provider's Mobile Telephone Switching Office
Explanation:
When a cell phone user begins to make a call, it is picked up by the cell tower located in the cell in which the cell phone is located and that belongs to the user's wireless provider. The next step in this process is that the cell tower forwards the call to the wireless provider's Mobile Telephone Switching Office.
Answer:
The answer to this question is given below in this explanation section.
Explanation:
"Why the computer is called diligent
Versatile machine"
Computer is called versatile machine because it is used in almost all the fields for various purposes.Because it can perform the task repeatedly without loosing its speed and accuracy for a long time.They are versatile because they can be used for all sorts of task.They can also do many of the same tasks in different ways.Computer is the electronic device which perform the logical and mathematical calculation.Computer is known as the versatile machine because it is very fast in every field and its part of life without it was cannot imagine life.
It can do the work faster and in every field the computer is used for making their work faster.
It can perform the work fast so it is called versatile machine.
Advantages of versatile machine:
- Computer are very fast due to which thousand of job can be performed within the short period of time.
- Complex mathematical problems and logical operations can be solved by using this computer.
- As computer is versatile device,multiple task like communication,graphics,documentation can be done.
Disadvantages of versatile machine:
- Computers are machine hence they have no brain so they work according to the program instruction set inside it.
- It is an electronic deice and it uses electronic sources to work,So it is very risk to store data and information on the computer independently because some electric and electronic damages may damage the data.So we have to make regular backup of the data.
Answer:
we can communicate many peoples