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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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You are given an array of integers, each with an unknown number of digits. You are also told the total number of digits of all t
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Explanation:

Since all of the items in the array would be integers sorting them would not be a problem regardless of the difference in integers. O(n) time would be impossible unless the array is already sorted, otherwise, the best runtime we can hope for would be such a method like the one below with a runtime of O(n^2)

static void sortingMethod(int arr[], int n)  

   {  

       int x, y, temp;  

       boolean swapped;  

       for (x = 0; x < n - 1; x++)  

       {  

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           for (y = 0; y < n - x - 1; y++)  

           {  

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3 years ago
You are going to write a program for Computer test which will read 10 questions from a file, order them randomly and provide the
ollegr [7]

Answer:

from pprint import pprint

import random

match = {

   "mcq1": "a",

   "mcq2": "c",

   "mcq3": "c",

   "mcq4": "d",

   "mcq5": "a",

   "mcq6": "a",

   "mcq7": "a",

   "mcq8": "b",

   "mcq9": "d",

   "mcq10": "a"

}

file = open("test","r")

questions = set()

for i in range(10):

   ques = []

   for line in file:

       if "-" in line:

           break

       else:

           ques.append(line)

   questions.add(tuple(ques))

def quiz(questions, match):

   questions = list(questions)

   marks = 0

   for i in range(10):

       pprint(questions[i])

       mcq = "mcq",str(i+1)

       mcq = list(mcq)

       answer = input("enter your answer: ")

       if answer == match["".join(mcq)]:

           marks += 1

   return marks

print("Your score is: ",quiz(questions, match))

Explanation:

the file which has been loaded is test, and its data is provided below...

mcq1. The device which converts analog signals to digtital signals and vice versa is called.

a) mother board

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b) CPU, Input device

c) CPU, ALU, CU

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mcq3. A source program is a program.

a) writter in machine laguage

b) translated in machine langaue

c) written in high level language

d) required to boot a computer

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a) PNG

b) GIF

c) JPG

d) A & B

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a) 23

b) 50

c) 24

d) 89

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a) character encoding set

b) driver

c) software

d) database

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mcq7. (10111) 2 = (?) 10.

a) 23

b) 50

c) 24

d) 89

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c) Newt Trend File Saving

d) Non Technology File System

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mcq9. FF is example of.

a) Octal number system

b) Binary Number System

c) Decimal Number System

d) Hexadecimal number system

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mcq10. Emails are sent with the help of ?

a) SMTP

b) FTP

c) HTTP

d) UDP

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