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ziro4ka [17]
3 years ago
14

- If we place records from different tables in adjacent____________, it would increase efficiency of a database.

Computers and Technology
1 answer:
tiny-mole [99]3 years ago
3 0

Answer: Physical location

Explanation:

If we place records from, different tables in adjacent physical location, it would increases efficiency of a databases as, database consolidates records from previously store in separate files into a common file. Databases are fast and efficient when they are dealing with large data. When all the information is stored in multiple physical location it is also known as distributed database, as physical location helps to provide the physical and logical path and also protect from default locations in the database.

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How does 5G technology enhance the Internet of Things (ioT) ?
Naddik [55]

Answer:

Internet of Things are everyday items that uses the internet, 5G internet enhances the internet service allowing you to connect, receive, or send information in places where internet would usually be slower like crowded areas. Through antennas using spectrum which carries information through different types of waves, it overall makes the internet service better, making the appliances on that internet service faster.

Explanation:

Internet of Things are basically any everyday item that has software that connects to the internet, in which that item sends or even receives data from it connecting to different servers using an internet service.

5G is a 5th generation technology that also connects to servers through an internet service. This 5G technology allows the items to receive information faster, which overall approves the internet service. One of the proud examples of 5G technology is our modern-day phones/appliances. 5G technology allows you to connect to an internet service and send information or receive information faster than 4G technology.

For your answer, since "internet of things are everyday items that uses the internet, 5G internet enhances the internet service allowing you to connect, receive, or send information in places where internet would usually be slower like crowded areas. Through antennas using spectrum which carries information through different types of waves, it overall makes the internet service better, making the appliances on that internet service faster."

Hope this helps.

4 0
2 years ago
Why do we need to send emails
DiKsa [7]

Answer:

email is the easier way of communicating and fast

5 0
3 years ago
Which of the following statements is true of infrastructure?
bazaltina [42]

Answer:

Examples of infrastructure include transportation systems, communication networks, sewage, water, and electric systems. Projects related to infrastructure improvements may be funded publicly, privately, or through public-private partnerships.

3 0
2 years ago
Contrast the following terms (provide examples): Partial dependency; transitive dependency
kiruha [24]

Answer:

Explanation:

Transitive dependency

In this case, we have three fields, where field 2 depends on field 1, and field three depends on field 2.

For example:

Date of birth --> age --> vote

Partial dependency

It is a partial functional dependency if the removal of any attribute Y from X, and the dependency always is valid

For example:

Course and student these tables have a partial dependency, but if we have the field registration date, this date will depend on the course and student completely, we must create another table with the field registration date to remove this complete dependency.

If we remove or update the table registration date, neither course nor student must not change.

5 0
3 years ago
How many different messages can be transmitted in n microseconds using three different signals if one signal requires 1 microsec
SIZIF [17.4K]

Answer:

a_{n} = 2/3 . 2^n + 1/3 . (-1)^n

Explanation:

Let a_{n} represents number of the message that can transmitted in <em>n </em>microsecond using three of different signals.

One signal requires one microsecond for transmittal: a_{n}-1

Another signal requires two microseconds for transmittal: a_{n}-2

The last signal requires two microseconds for transmittal: a_{n}-2

a_{n}= a_{n-1} + a_{n-2} + a_{n-2} = a_{n-1} + 2a_{n-2}, n ≥  2

In 0 microseconds. exactly 1 message can be sent: the empty message.

a_{0}= 1

In 1 microsecond. exactly 1 message can be sent (using the one signal of one  microseconds:

a_{0}= 1

2- Roots Characteristic equation

Let a_{n} = r^2, a_{n-1}=r and a_{n-2}= 1

r^2 = r+2

r^2 - r - 2 =0                 Subtract r+6 from each side

(r - 2)(n+1)=0                  Factorize

r - 2 = 0 or r +1 = 0       Zero product property

r = 2 or r = -1                 Solve each equation

Solution recurrence relation

The solution of the recurrence relation is then of the form a_{1} = a_{1 r^n 1} + a_{2 r^n 2} with r_{1} and r_{2} the roots of the characteristic equation.

a_{n} =a_{1} . 2^n + a_{2}.(-1)"

Initial conditions :

1 = a_{0} = a_{1} + a_{2}

1 = a_{1} = 2a_{1} - a_{2}

Add the previous two equations

2 = 3a_{1}

2/3 = a_{1}

Determine a_{2} from 1 = a_{1} + a_{2} and a_{1} = 2/3

a_{2} = 1 - a_{1} = 1 - 2 / 3 = 1/3

Thus, the solution of recursion relation is a_{n} = 2/3 . 2^n + 1/3 . (-1)^n

6 0
3 years ago
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