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Alenkasestr [34]
3 years ago
15

Every telecommunication setup uses two devices: one device to transmit data and one device to receive data. Which device transmi

ts frequencies to mobile phones?
towers transmit frequencies to mobile phones.
Computers and Technology
1 answer:
alexandr1967 [171]3 years ago
3 0

Answer:

Cell.

Explanation:

Electromagnetic waves is a propagating medium used in all communications device to transmit data (messages) from the device of the sender to the device of the receiver.

Generally, the most commonly used electromagnetic wave technology in telecommunications is radio waves.

Radio waves can be defined as an electromagnetic wave that has its frequency ranging from 30 GHz to 300 GHz and its wavelength between 1mm and 3000m. Therefore, radio waves are a series of repetitive valleys and peaks that are typically characterized of having the longest wavelength in the electromagnetic spectrum.

Basically, as a result of radio waves having long wavelengths, they are mainly used in long-distance communications such as the carriage and transmission of data.

In the field of telecommunication, all telecommunication setup are designed and developed to make use of two network devices: one device is typically used for the transmission of data while the other device is used to receive data that are sent on the network.

Generally, cell towers are tall poles that are used to transmit frequencies to mobile phones.

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Implement a Python function with the signature Transfer(S, T) that transfers all elements from the ArrayStack instance S onto th
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Answer:

Following are the program in the Python Programming Language.

#define function

def Transfer(S, T):

 #set for loop  

 for i in range(len(S)):

   #append in the list

   T.append(S.pop())

 #return the value of the list

 return T

#set list type variable

S = ["a","b","c","d"]

#print the values of the list

print(S)

#set the list empty type variable

T=[]

#call the function

T = Transfer(S, T)

#print the value of T

print(T)

<u>Output:</u>

['a', 'b', 'c', 'd']

['d', 'c', 'b', 'a']

Explanation:

Here, we define the function "Transfer()" in which we pass two list type arguments "S" and "T".

  • Set the for loop to append the values in the list.
  • Then, we append the value of the variable "S" in the variable "T".
  • Return the value of the list variable "T" and close the function.
  • Then, set the list data type variable "S" and initialize the elements in it and print that variable.
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Define a function typeHistogram that takes an iterator ""it"" (representing a sequence of values of different types) and builds
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Answer:

def typeHistogram(it,n):

   d = dict()

   for i in it:

       n -=1

       if n>=0:

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               d.setdefault(type(i).__name__,1)

           else:

               d[str(type(i).__name__)] += 1

       else:

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   return list(d.items())

it = iter([1,2,'a','b','c',4,5])

print(typeHistogram(it,7))

Explanation:

  • Create a typeHistogram function that has 2 parameters namely "it" and "n" where "it" is an iterator used to represent a sequence of values of different types while "n" is the total number of elements in the sequence.
  • Initialize an empty dictionary and loop through the iterator "it".
  • Check if n is greater than 0 and current string is not present in the dictionary, then set default type as 1 otherwise increment by 1.
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