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Flura [38]
2 years ago
10

What is PCM system? essay

Computers and Technology
1 answer:
brilliants [131]2 years ago
7 0

A PCM system consists of a PCM encoder (transmitter) and a PCM decoder (receiver). The essential operations in the PCM transmitter are sampling, quantizing and encoding. All the operations are usually performed in the same circuit called as analog-to digital convert Early electrical communications started to sample signals in order to multiplex samples from multiple telegraphy sources and to convey them over a single telegraph cable. The American inventor Moses G. Farmer conveyed telegraph time-division multiplexing (TDM) as early as 1853. Electrical engineer W. M. Miner, in 1903, used an electro-mechanical commutator for time-division multiplexing multiple telegraph signals; he also applied this technology to telephony.

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A(n) _______ attack attempts to make a server or network unavailable to serve legitimate users by flooding it with attack packet
malfutka [58]

Answer:

DoS or Denial of Service

Explanation:

Have a nice day! :)

3 0
2 years ago
What is a small handheld computer that performs simple tasks such as taking notes, scheduling appointments, and maintaining an a
antiseptic1488 [7]

is a small handheld computer that performs simple tasks such as taking notes, scheduling appointments, and maintaining an address book and a calendar PDA.

<h3><u>Explanation:</u></h3>

Personal Digital Assistant is the full form for PDA. PDAs are the computers in smaller size. They perform all works that are performed by a computer. They help you in viewing all the documents that you need, scheduling all your works,etc. They act as a mini sized computer that you can take where ever you go.

Using PDAs you can easily schedule any tasks, take notes, maintain all your contacts in address books,etc. Even though the markets of PDAs is not having higher demands because of the existence of i phones and other devices that are identical to i phones, there are still some usages and demands for PDAs. These are used in industries and businesses.

3 0
3 years ago
Quality, personal attention, leadership, and respect are examples of what?
tankabanditka [31]
A good employee, everything u named is a good example of a good employee
8 0
3 years ago
Read 2 more answers
How can security professionals use software to recover stolen laptops ?
inna [77]

<u>Answer is:</u>

E). They monitor email traffic.

<u>Explanation:</u>


Track Your Device's IP Address with mail. If your laptop or smartphone was stolen, you can use a service like mail to find the IP address of your thief. When you log into those services from any computer, it logs the IP address used, and displays your last used IP in your account. So, these are source for finding the stolen laptop and smartphones.

I hope you got the idea. Thanks

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3 years ago
If you increase the distance between two magnets, what will happen?
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The Magnetic attraction will decrease
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3 years ago
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