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3 years ago

Write 3 things that can't be done without technology. write your opinion?

Computers and Technology

2 answers:

s2008m [1.1K]3 years ago

8 0

Answer:

1) Filming, depending on the camera it is still technology that everyone uses on a daily bases with no hesitation for use.

2) Vehicles, I'm not sure if they are a type of technology but for this case lets just say they are. With vehicles we can get to places much faster then walking or taking a carriage.

3)Records, in this case music. Without records or anything of the sort we wouldn't exactly be able to listen to our favorite music at all times.

Sergeeva-Olga [200]3 years ago

4 0

Answer: Call a theater to get movie times, Use a phone book to find a company to do work around your house, and Park your used car on the street with a sign that says it’s for sale.

Explanation: my opinion is that it's fine to do each of those things without technology. Because technology is supposed to help the limited capacity of the human brain and improve things that make every day life quicker, easier, leaves more time to do something else.

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What is a biometric scanner?

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3 years ago

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Why was unicode invented?

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Unicode is a universal computing standard to represent texts in most writing systems. It was invented to store most of the world's characters. It started during 1987. Joe Becker from Xerox was the one who made a proposal for Unicode.

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3 years ago

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Write a C program that reads two hexadecimal values from the keyboard and then stores the two values into two variables of type

sattari [20]

Solution :

#include $$$$

//Converts $\text{hex string}$ to binary string.

$\text{char}$ * hexadecimal $\text{To}$ Binary(char* hexdec)

{

long $\text{int i}$ = 0;

char *string = $(\text{char}^ *) \ \text{malloc}$ (sizeof(char) * 9);

while (hexdec[i]) {

//Simply assign binary string for each hex char.

switch (hexdec[i]) {

$\text{case '0'}:$

strcat(string, "0000");

break;

$\text{case '1'}:$

strcat(string, "0001");

break;

$\text{case '2'}:$

strcat(string, "0010");

break;

$\text{case '3'}:$

strcat(string, "0011");

break;

$\text{case '4'}:$

strcat(string, "0100");

break;

$\text{case '5'}:$

strcat(string, "0101");

break;

$\text{case '6'}:$

strcat(string, "0110");

break;

$\text{case '7'}:$

strcat(string, "0111");

break;

$\text{case '8'}:$

strcat(string, "1000");

break;

$\text{case '9'}:$

strcat(string, "1001");

break;

case 'A':

case 'a':

strcat(string, "1010");

break;

case 'B':

case 'b':

strcat(string, "1011");

break;

case 'C':

case 'c':

strcat(string, "1100");

break;

case 'D':

case 'd':

strcat(string, "1101");

break;

case 'E':

case 'e':

strcat(string, "1110");

break;

case 'F':

case 'f':

strcat(string, "1111");

break;

default:

printf("\nInvalid hexadecimal digit %c",

hexdec[i]);

string="-1" ;

}

i++;

}

return string;

}

int main()

{ //Take 2 strings

char *str1 =hexadecimalToBinary("FA") ;

char *str2 =hexadecimalToBinary("12") ;

//Input 2 numbers p and n.

int p,n;

scanf("%d",&p);

scanf("%d",&n);

//keep j as length of str2

int j=strlen(str2),i;

//Now replace n digits after p of str1

for(i=0;i<n;i++){

str1[p+i]=str2[j-1-i];

}

//Now, i have used c library strtol

long ans = strtol(str1, NULL, 2);

//print result.

printf("%lx",ans);

return 0;

}

4 0

2 years ago

Which method adds 10 to the right end of the array?<br> myArray.<br> insert<br> (10)

vladimir1956 [14]

JavaScript has a set of mutator functions that allow you to modify the contents of an array without referencing the individual elements.To add to to myArray we us the push() method

<h3>Adding Elements to an Array</h3>

To add to to myArray we us the push() method

(10)

myArray.push(10)

There are two mutator functions for adding elements to an array: push() and unshift(). The push() function adds an element to the end of an array:

var nums = [1,2,3,4,5]; print(nums); // 1,2,3,4,5 nums.push(6);

print(nums); // 1,2,3,4,5,6

var nums = [1,2,3,4,5]; print(nums); // 1,2,3,4,5 nums[nums.length] = 6; print(nums); // 1,2,3,4,5,6

Learn more about arrays here:

brainly.com/question/24275089

6 0

1 year ago

1. Write a high level algorithm for cooking a cheeseburger.

pishuonlain [190]

Answer:

1. A high level algorithm for cooking a cheeseburger could be:

Heat fry pan
Cook one side of the hamburger
Wait
Turn hamburger upside down
Put cheese over hamburger
Wait
Cut hamburger bread in half
Put cooked hamburger inside bread
End (eat)

2. A detailed algorithm for cooking a cheeseburger could be:

Place fry pan over the stove heater
Turn on heater (max temp)
IF fry pan not hot: wait, else continue
Place raw hamburger on fry pan
IF hamburger not half cooked: Wait X time then go to line 5, else continue
Turn hamburger upside down
Put N slices of cheese over hamburger
IF hamburger not fully cooked: Wait X time then go to line 8, else continue
Turn off heater
Cut hamburger bread in half horizontally
Put cooked hamburger on one of the bread halves.
Put second bread half on top of hamburger
End (eat)

Explanation:

An algorithm is simply a list of steps to perform a defined action.

On 1, we described the most relevant steps to cook a simple cheeseburger.

Then on point 2, the same steps were taken and expanded with more detailed steps and conditions required to continue executing the following steps.

In computational terms, we used pseudo-code for the algorithm, since this is a list of actions not specific to any programming language.

Also we can say this is a structured programming example due to the sequential nature of the cooking process.

7 0

3 years ago