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vampirchik [111]
3 years ago
13

What is a distinguishing feature of 5G mmWave

Computers and Technology
1 answer:
Tatiana [17]3 years ago
5 0

Answer:

Explanation:

mmWave sử dụng phổ vô tuyến tần số cao (từ 24 GHz đến khoảng 39 GHz) để hoạt động, cho phép tăng tốc độ (và thậm chí xa hơn, trong một số trường hợp) 1Gbps. Vấn đề là việc tăng tần số lên càng cao thì khả năng đâm xuyên càng kém đi và khoảng cách truyền ngắn lại, theo Qualcomm thì đôi khi chỉ cần một bàn tay chắn trước điện thoại là đủ để máy khôngBên cạnh đó, mmWave cũng có khả năng làm hao pin thiết bị hơn, ít nhất là ở thời điểm hiện tại. Theo đó, việc tải xuống nhiều dữ liệu hơn có nghĩa là CPU điện thoại của bạn sẽ hoạt động mạnh hơn, nhanh nhất có thể để xử lý tất cả và điều đó sẽ ảnh hưởng đến tuổi thọ pin nhận tín hiệu.

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Answer:

Option(c) is the correct answer.

Explanation:

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3 years ago
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Write a program to calculate surface area and volume of a sphere (ball). The program will ask user to input radius (meter(s)) of
oee [108]

Answer:

The following program is to calculate the surface area and volume of a sphere(ball) using macro in c language .

#include <math.h>  //header file for math functions

#define pi 3.1415     //using macro

#include <stdio.h>  //header file for printf() or scanf()

int main()   //main function

{  

   double radius;  //radius is a double type variable

   float surface_area, vol;    //surface_area andvolume is a float type variable

   printf("Enter the radius of the sphere : \n");     //printf() is use to print an output

   scanf("%lf", &radius);   //scanf() is use to take input from the user

   surface_area =  4 * pi * pow(radius,2);

   vol = (4.0/3) * pi * pow(radius,3);

   printf("The Surface area of the sphere is: %.3f", surface_area); // display surface area

   printf("\n Volume of the sphere is : %.3f", vol); // display volume

   return 0;  

}

Output:

Enter radius of the sphere : 4.4

Surface area of sphere is: 243.278

Volume of sphere is : 356.807

Explanation:

Here in this program  we  include the header file math.h and include the macro pi. after that taking the user input in radius and calculating the surface area and volume of sphere and finally display the result.

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