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ozzi
3 years ago
8

What is computer virus?

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

It is a (software) program that is installed on a computer without the user's knowledge for the purpose of making harmful changes. A computer virus attaches itself to another program (the execution of the host program triggers the action of the virus). And most of them perform actions that are malicious in nature, such as destroying data. A computer virus operates in two ways: As soon as it lands on a new computer, begins to replicate or it plays dead until the trigger kick starts the malicious code. The term 'computer virus' was formally defined by Fred Cohen in 1983.

You might be interested in
Select all the correct answers.
inysia [295]

Answer:

Buyers can source products from anywhere in the world.

Your purchases are delivered to the location you specify.

Explanation:

E-commerce refers to the process of buying and selling goods and services through the internet or the virtual world. The economic and business transaction done through this process constitutes electronic commerce or e-commerce.

Two advantages for buyers are that the <u>buyer can source the goods and products from all over the world and also get them delivered at the location specified</u>. This allows for an easy and effortless transaction and also saves the buyer's time and energy. With things available at just a touch of an electronic screen, the buyer can get products from anywhere and get them delivered at his/ her doorstep or for that matter, anywhere he/she wished it delivered, with no extra effort from his side.

Thus, the correct answers are the third and fourth options.

4 0
2 years ago
Assume that a program uses the named constant PI to represent the value 3.14. The program uses the named constant in several sta
mihalych1998 [28]

Answer:

The advantage for the above condition is as follows:-

Explanation:

  • If a user creates a defined constant variable and assigns a value on its and then uses that variable instead of the value, then it will a great advantage.
  • It is because when there is a needs to change the value of that variable, then it can be done when the user changes the value in one place. There is no needs to change the vale in multiple places.
  • But if there is a value in multiple places instead of a variable and there is no constant variable, then the user needs to change the value in multiple places.
7 0
3 years ago
The internet advertisement below is known as a __________. CSS tag web banner title sequence hotspot
AlexFokin [52]

The internet advertisement that is illustrated in the image attached below is known as a: B. web banner.

An internet advertisement can be defined as a promotional multimedia message (information) that is designed and developed with the intention to make products or services that are offered by a business firm to become known and familiar to all of its customers and potential customers over the Internet.

Generally, there are various techniques used by web developers for internet advertisements and these include:

  • CSS tag
  • Title sequence
  • Hotspot
  • Web banner

A web banner is a form of advertising which embeds an advertisement that is delivered by a web server into a webpage over the Internet or the World Wide Web (www).

In conclusion, the internet advertisement that is illustrated in the image attached below is known as a web banner.

Read more on web banner here: brainly.com/question/10196860

8 0
2 years ago
Write a new function called "listmax" based on the following IPO # function: listmax # INPUT: a list # PROCESSING: obtains the l
hammer [34]

Answer:

See Explaination

Explanation:

def listmax(lst):

largest = None

for num in lst:

if largest is None or num > largest:

largest = num

return largest

mylist = [10, 20, 30]

x = listmax(mylist)

print(x)

5 0
3 years ago
A voice engineer is setting up a Cisco 2951 Integrated Services Router with Cisco Unified Communications Manager Express. To ena
o-na [289]

Answer:

voice service voip

Explanation:

Voice over Internet Protocol feature allows users to make voice calls by making use of a broadband internet connection. The Voice engineer is setting up a Cisco 2951 Integrated Services Router with Cisco Unified Communications Manager Express, which happens to fall under broadband internet connection and hence the command the engineer will enter must be a voice service voip.

8 0
2 years ago
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