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insens350 [35]
2 years ago
11

Which of the following is used to index a paper-based filing system using a computer.

Computers and Technology
1 answer:
IRISSAK [1]2 years ago
3 0
C : a computer based assisted retrieval system
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Translate each of these statements into logical expressions using predicates, quantifiers, and logical connectives. a) Something
yKpoI14uk [10]

Answer:

Let P(x) = x is in the correct place

Let Q(x) =  x is in the excellent place

R(x) denotes the tool

Explanation:

a) Something is not in the correct place.

P(x) is that x is in the correct place so negation of ¬P(x) will represent x is not in the correct place. ∃x is an existential quantifier used to represent "for some" and depicts something in the given statement. This statement can be translated into logical expression as follows:

                                                    ∃x¬P(x)

b) All tools are in the correct place and are in excellent condition.

R(x) represents the tool, P(x) represents x is in correct place and Q(x) shows x is in excellent place. ∀ is used to show that "all" tools and ∧ is used here because tools are in correct place AND are in excellent condition so it depicts both P(x) and Q(x). This statement can be translated into logical expression as follows:

                                       ∀ x ( R(x) → (P(x) ∧ Q(x))

c) Everything is in the correct place and in excellent condition.

Here P(x) represents correct place and Q(x) represents excellent condition ∀ represent all and here everything. ∧  means that both the P(x) and Q(x) exist. This statement can be translated into logical expression as follows:

                                              ∀ x (P(x) ∧ Q(x)

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2 years ago
The ____________ protocol enables two users to establish a secret key using a public-key scheme based on discrete logarithms
strojnjashka [21]

The answer in the space provided is the Diffie-Hellman Key Exchange. This is entitled to be the first published key algorithm in which has a limit in which the exchange occurs in secret values and that its purpose was to enable two users to have an exchange of key in a secure manner in means of using it for a subsequent symmetric encryption in terms of messages.

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2 years ago
List any four routes of transmission of computer virus. <br>please give me answer​
JulijaS [17]

Opening attachments or links from unknown or spoofed emails. note: shown above are two examples of how viruses can often appear as legitimate messages, but are designed to trick the computer user. ...

Downloading software from malicious sites. ...

Online Ads. ...

Social media. ...

Unpatched software.

follow me

5 0
2 years ago
Select the correct text in the passage.
aliina [53]

Answer: When was admitted, hospital authorities recorded his medical history. Then, placed in an ICU where his vital signs were constantly monitored.

Explanation: With the help of computers, medical histories are often kept in the computer for future reference. Machines are connected to computers to record vital signs.

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2 years ago
Question 19 :Rachel, a database administrator, has created a database for her website. It contains pictures of vacations that pe
gavmur [86]

Answer:

The correct answer will be "Semi-structured data".

Explanation:

  • Semi-structured data comprise evidence that just isn't data collected in some kind of a traditional database management system, but then neither is content typed.
  • It's indeed descriptive information or structured data, but that's not organized into a theoretical design, like a chart or perhaps a graph centered through an entity.

So that the given scenario is the example of semi-structured data.

6 0
2 years ago
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