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Mama L [17]
3 years ago
14

The part of a rocket engine that allows the combustion gases and flames to leave the rocket engine is the

Computers and Technology
1 answer:
coldgirl [10]3 years ago
6 0
That would be A: Nozzle
You might be interested in
Write a program that prompts the user to enter the center and a point on the circle. The program should then output the circle’s
sergij07 [2.7K]

Here is the code in C++.

#include <bits/stdc++.h>

using namespace std;

// function to calculate distance between two points

double distance(int a,int b,int c,int d )

{

 // return the distance between center and point

  return sqrt(pow(c - a, 2) +

               pow(d - b, 2) * 1.0);

}

// driver function

int main()

{

// variables to store coordinates

int x1,y1,x2,y2;

cout<<"Please Enter the center(x y) of the circle: ";

//reading center

cin>>x1>>y1;

cout<<"\nPlease Enter a point(x1 y1) on the circle:";

//reading point

cin>>x2>>y2;

// calling distance() function with 4 parameters

double rad=distance(x1,y1,x2,y2);

// calculating Radius and print

cout<<"Radius of circle is: "<<rad<<endl;

// calculating Diameter and print

cout<<"Diameter of circle is: "<<2*rad<<endl;

// calculating Circumference and print

cout<<"Circumference of circle is: "<<2*3.14*rad<<endl;

// calculating Area and print

cout<<"Area of circle is: "<<3.14*rad*rad<<endl;

return 0;

}

Explanation:

First it will read coordinates of center and point on the circle.The distancebetween center and point on circle is Radius. Call distance() function withfour parameters which are coordinates of center and point. This will return the value of Radius. Diameter is 2 times of Radius.Diameter of a circle is 2*3.14*Radius. and Area of the circle is calculate as 3.14*Radius*Radius. After finding these value print them.

Output:

Please Enter the center(x y) of the circle: 0 0

Please Enter a point(x1 y1) on the circle: 3 4

Radius of circle is: 5

Diameter of circle is: 10

Circumference of circle is: 31.4

Area of circle is: 78.5

4 0
3 years ago
Explain the developments RAM since it was created in 1968 til today.
xenn [34]

Answer:

From DRAM to DDR4

Explanation:

RAM stands for <em>Random Access Memory.</em> In 1968, Mr. Robert Dennard at IBM's Watson Research obtained the patent for the one-transistor cell that will eventually substitute the old magnetic core memory allocated in computers of the time. By 1969 Intel released the TTL bipolar 64-bit SRAM (Static Random-Access Memory) as well as the ROM "Read Only Memory"; also in 1969 it evolved into "<em>Phase - change memory - PRAM - </em>". However this evolution was not commercialized, Samsung expressed its interest in developing it. In 1970 the first DRAM product was commercially available; it was developed by Intel. In 1971 it was patented EPROM; in 1978 George Perlegos developed EEPROM.

By 1983 a nice breakthrough happened with the invention of SIMM by Wang Labs. In 1993 Samsung came up with KM48SL2000 synchronous DRAM (SDRAM), this variation soon turned into an inductry standard.

In 1996 DDR began a revolution in the memory sector, then in 1999 RDRAM. Both DDR2 SDRAM. DDRR3 and XDR DRAM were commercialized. Finally in 2007 and 2014 the developments of DDR3 and DDR4 were available for the general public.

6 0
3 years ago
What is a recent technological breakthrough with an impact that can be compared to the invention of paper nearly 2,000 years ago
Evgesh-ka [11]
<span>Electronic communication</span>
3 0
3 years ago
A penetration testing service hired by the company has reported that a backdoor was identified on the network. What action shoul
sergij07 [2.7K]

An action which this organization should take to find out if systems have been compromised is: C. Look for unauthorized accounts.

<h3>What is a penetration test?</h3>

A penetration test can be defined as a cybersecurity technique that simulates a cyber attack against an end user's computer system, so as to scan, identify, test and check for exploitable vulnerabilities and compromises in the following:

  • Operating system
  • Web software
  • Host device
  • Network

This ultimately implies that, a penetration test avails a tester the ability to exploit a weakness and potential security threats on a test network as a privileged user, during vulnerability assessments of the computer system.

In this scenario, we can reasonably infer and logically deduce that an action which this organization or cybersecurity specialist should take to find out if systems have been compromised is to look out for unauthorized accounts.

Read more on penetration test here: brainly.com/question/25813524

#SPJ1

Complete Question:

A penetration testing service hired by the company has reported that a backdoor was identified on the network. What action should the organization take to find out if systems have been compromised?

Look for policy changes in Event Viewer.

Scan the systems for viruses.

Look for unauthorized accounts.

Look for usernames that do not have passwords.

7 0
1 year ago
When malicious code is planted on your computer and alters your browser's ability to find web addresses, it is known as ________
tresset_1 [31]
The answer is Phishing
3 0
3 years ago
Read 2 more answers
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