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Klio2033 [76]
3 years ago
5

What pattern is a heart-shaped pattern that captures sound from a single direction, ?from the front?

Computers and Technology
1 answer:
STatiana [176]3 years ago
5 0

Answer:

The pickup diagram for the Cardioid (heart-shaped) microphone pattern tells you is that the microphone is most sensitive to sound coming in from the front (where the blue arrow is), and will tend to “refuse” sound coming in from the other side (the red arrow points to that part).

Explanation:

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Answer:

Word > Preferences > General > Personalize and select the Turn off Dark Mode option

3 0
2 years ago
Your task is to write a C program that measures the latencies of various system calls. In particular, you want to know 1) the co
tensa zangetsu [6.8K]

Answer and Explanation:

#include <stdio.h>

#include<fcntl.h>

#include <sys/time.h>

#include<time.h>

#define MAX 1000

int main()

{

int pid;

int i,fd ;

char c[12];

FILE *fp;

struct timeval start,end;

double time1,time2,time3;

//open file for writing

fp=fopen("output.txt","w");

 

if(!fp)

{

printf("Not able to open the file output.txt\n");

return -1;

}

for(i = 0; i < MAX ; i++)

{

gettimeofday(&start,NULL);

//invoke getpid call

system(pid = getpid());

//printf("%d\n",start.tv_usec);

}

gettimeofday(&end,NULL);

//printf("%d\n",(end.tv_usec - start.tv_usec));

time1 = ((end.tv_sec - start.tv_sec) + (end.tv_usec - start.tv_usec) / 1000000.0)/MAX;

 

//wtite the time taken to execute getpid to

//to get micro second , divide multiply time by 1000000 , to get nano multiply time by 1000000000

printf("getpid(): %.10f %.10f\n",time1*1000000,time1*1000000000);

fprintf(fp,"getpid():%.10f %.10f\n",time1*1000000,time1*1000000000);

//in similar way execute other two commands ,open and read

 

for(i = 0; i < MAX ; i++)

{

gettimeofday(&start,NULL);

//invoke getpid call

system(open("/dev/null", O_RDONLY ));

//printf("%d\n",start.tv_usec);

}

gettimeofday(&end,NULL);

//printf("%d\n",(end.tv_usec - start.tv_usec));

time2 = ((end.tv_sec - start.tv_sec) + (end.tv_usec - start.tv_usec) / 1000000.0)/MAX;

 

//wtite the time taken to execute getpid to

printf("open(): %.10f %.10f\n",time2*1000000,time2*1000000000);

fprintf(fp,"open():%.10f %.10f\n",time2*1000000,time2*1000000000);

//in similar way execute other two commands ,open and read

fd = open("/dev/dev",O_RDONLY );

//printf("fd = %d\n",fd);

for(i = 0; i < MAX ; i++)

{

gettimeofday(&start,NULL);

//invoke getpid call

system( read(fd,c,10));

//printf("%d\n",start.tv_usec);

}

gettimeofday(&end,NULL);

//printf("%d\n",(end.tv_usec - start.tv_usec));

time3 = ((end.tv_sec - start.tv_sec) + (end.tv_usec - start.tv_usec) / 1000000.0)/MAX;

 

//wtite the time taken to execute getpid to

printf("read(): %.10f %.10f\n",time3*1000000,time3*1000000000);

fprintf(fp,"read(): %.10f %.10f\n",time3*1000000,time3*1000000000);

}

----------------------------------------------------------

//output

//I have written output to standard output also , you can remove that

getpid(): 0.1690000000 169.0000000000    

open(): 0.1890000000 189.0000000000    

read(): 3.1300000000 3130.0000000000

------------------------------------------------------

//Makefile content

prob2.o : prob2.c    

         gcc -c  prob2.c                                                                                                                                      

prob2 : prob2.o                                                                                                                                                

       gcc -o prob2 prob2.o                                                                                                                                    

all   :                                                                                                                                                        

       gcc -o prob2 prob2.c                                                                                                                                    

clean:                                                                                                                                                          

       rm -rf prob2.o  

---------------------------------------

use

$make all

then execute as below

$./prob2

3 0
3 years ago
Which of the following actions taken by the Fed will increase the nation’s money supply? (Select all that apply.)
pashok25 [27]

Answer:

it is A.Lowering the reserve ratio

5 0
2 years ago
Which sentence(s) below are true?a. IP stands for Internet Protocol.b. In most home networks IP addresses are assigned by the In
Setler79 [48]

Option A is true because IP is short form of Internet protocol.

Option B is true because when every device is connected to the servers by using internet, Internet Service providers assign them unique IP address to define their identity on internet and monitor their activities.

Option C is false because no matter how many laptops or devices are connected to a same router through a network Internet Service Providers assign them a same IP address.

Option D is true because every laptop or device connected to the internet by a network is given the same public IP or external IP.

8 0
2 years ago
56- What is the term used when you press and hold the left mouse key and more the mouse
elena55 [62]

Answer:

i'd say it's dragging, but i'm not 100% sure

Explanation:

8 0
2 years ago
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