Use the paragraph underneath to answer the four questions.

Expain the application areas of ICT in education sector and E-commerce

miss Akunina [59]

Explanation:

Nowadays almost all the school and college use computers in classrooms and labs to teach students.A teacher can teach effectively using computer-based presentations.Students can study different subjects and complete their assignment by using different software in computer.The Computer Based Training(CBT) and Web Based Training(WBT) are aid to teach the student in the classroom.

E-commerce is a financial business transaction conducted electronically between business partners over the internet.Business transactions can occur very quickly and globally.The people can buy,sell and exchange the products or services using internet.Todays many computer can also access the Internet through wireless technologies.

8 0

3 years ago

Define online pollution

Elis [28]

Explanation:

E-Pollution is the environmental damage that comes from the constant heat and cooling down in facilities that are referred to data centers. Data centers are where online information is collected, processed, stored and exchanged.

4 0

3 years ago

A digital certificate system: Group of answer choices uses digital signatures to validate a user's identity. is used primarily b

kompoz [17]

Answer:

uses third party CAs to validate a user's identity

Explanation:

The Digital Certificate is the only means that technically and legally guarantees the identity of a person on the Internet. This is an essential requirement for institutions to offer secure services over the Internet. Further:

The digital certificate allows the electronic signature of documents The recipient of a signed document can be sure that it is the original and has not been tampered with and the author of the electronic signature cannot deny the authorship of this signature.

The digital certificate allows encryption of communications. Only the recipient of the information will be able to access its content.

4 0

3 years ago

Let C(x) be the statement "x has a cat," let D(x) be the statement "x has a dog," and let F(x) be the statement "x has a ferret.

allsm [11]

Answer:

See attached for answer and explanation

Explanation:

Note: the question is incomplete, consider the statements below as the statements to be expressed in terms of C(x), D(x), F(x), quantifiers, and logical connectives.

(a) A student in your class has a cat, a dog, and a ferret.

(b) All students in your class have a cat, a dog, or a ferret.

(c) Some student in your class has a cat and a ferret, but not a dog.

(d) No student in your class has a cat, a dog, and a ferret.

(e) For each of the three animals, cats, dogs, and ferrets, there is a student in your class who has this animal as a pet.