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Natalka [10]
3 years ago
13

While visiting a web site during your lunch break, you see a window that states the web site will not operate properly without f

irst installing an ‘activex’ control. you click ‘ok’ and continue your visit. later on, your computer begins acting erratically. in fact, you believe it is erasing files while you're working. what potential threat may you have encountered?
Computers and Technology
1 answer:
Luden [163]3 years ago
8 0
I believe the potential threat that you may have encountered is the intrusion of a computer virus. A computer virus is a type of malicious software program ("malware") that, when executed,replicates<span> by reproducing itself (copying its own source code) or </span>infecting<span> other computer programs by modifying them. </span>
You might be interested in
What is contrast (in Photography)?
kozerog [31]

Answer:

Contrast is a tool that photographers use to direct viewers' attention to their subject. There are two types: Tonal Contrast and Color Contrast. TC refers to the difference in tones from the lightest tone to the darkest tone, in other words, the difference in tones from white to gray to black.

Explanation:

heheh there you go

3 0
3 years ago
What is output?
Alex777 [14]

Answer:

The output of this question is 21. As show in the image

The explanation is given in below

Explanation:

Let first write the question

C=1

sum = 0

while(C<10):

C=C+3

sum=sum + C

print(sum)

Now Focus on

while(C<10):

C=C+3

sum=sum + C

The value of C is initially 1

C=1+3

Sum= 0+4

In second loop the value of C will become 4

c=4+3

sum=4+7

In third loop the value of C will be 7

c=7+3

sum=11+10

so the answer is 11+10=21

7 0
2 years ago
Which of the following is a precaution that helps to protect you from electric shock when working with electric power tools?
olga2289 [7]
A A is the best answer to this question.
5 0
3 years ago
Read 2 more answers
Write the class RoadSegmet. The class inherits from Transportation Class. The Class have a vector hourlySpeeds data field which
OLEGan [10]

Answer:

The length of time on the road segment is calculated by taking it's distance and dividing by the speed at the time of departure. This length of time is then added to the departureTime parameter to get the arrivalTime.

Define a RiverSegment class that inherits from the base TransportationClass from above. This class will have a vector<double> scheduledDepartureTimes data field that will keep track of the departure time (e.g. 10.5 represents the time 10:30) of all ferries on the river. You can assume these are sorted. Additionally, there is a _speed value that is the speed of the ferry at all times (ferries tend to be consistently slow). There is a setSpeed function to change the _speed value. Additionally, there is an addDepartureTime(double hour) function to add a departure time to the vector. Make sure the time are sorted

Computing the arrival time for the RiverSegment is a little more complicated since you need to wait for the next available departure time. Once you find the next available departure time (after the departure time passed in), you need to add the length of time on the river segment. This is done by dividing the _distance by the _speed. Add the time on the river to the departure time (from the vector of departure times) and this will give you the arrive time.

note: If there is no departure time scheduled for after your planned departure, you need to take the first available departure the following day. Our solution assumes the departure times are the same every day.

TransportationLink.h

#include <string>

using namespace std;

#ifndef __TRANSPORTATIONLINK_H__

#define __TRANSPORTATIONLINK_H__

const int HOURS_PER_DAY = 24;

const int MINS_PER_HOUR = 60;

const int MINS_PER_DAY = MINS_PER_HOUR * HOURS_PER_DAY; //24 * 60

class TransportationLink {

protected:

string _name;

double _distance;

public:

TransportationLink(const string &, double);

const string & getName() const;

double getDistance() const;

void setDistance(double);

// Passes in the departure time (as minute) and returns arrival time (as minute)

// For example:

// 8 am will be passed in as 480 (8 * 60)

// 2:30 pm will be passed in as 870 (14.5 * 60)

virtual unsigned computeArrivalTime(unsigned minute) const = 0;

};

5 0
2 years ago
The basic difference between RAM and ROM memory is: Question 5 options: A) RAM is nonvolatile while ROM is volatile. B) RAM is r
schepotkina [342]

The basic difference between RAM and ROM memory is RAM is read/write while ROM Is read-only.

Explanation:

  • A ROM, non-volatile memory, does not use to store data, but RAM is volatile and requires power to store data.
  • ROM is not given usually as a specification, but RAM is typically specified when buying a computer.
  • We can write data only once in ROM. However, once it is written, we can read it any number of times. RAM is the main memory in a computer, and read from and write to it much faster than other storage types. RAM is used to store files in use on the computer.

Hence the basic difference between RAM and ROM memory is RAM is read/write while ROM Is read-only.

6 0
3 years ago
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