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mario62 [17]
3 years ago
10

What are the Database used in RDBMS and DBMSplease answer immediately​

Computers and Technology
1 answer:
frosja888 [35]3 years ago
4 0

Answer:

The best example for the DBMS is certainly the Microsoft Access. And various examples of RDBMS are MySQL, Sql Server, Amazon DynamoDB and so on. However, its essential to understand the difference between the RDBMS and the DBMS. The main difference between the two is certainly that in the RDBMS the application stores the data in tabular manner, and DBMS the data is stored as files. In the RDBMS the tables comes with identifier known as primary key, and the data values are being saved in the form of tables.

Explanation:

Please check the answer section.

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olganol [36]

Answer:

I think the answer is network

hope this helps

have a good day :)

Explanation:

7 0
3 years ago
Read 2 more answers
What is syntax?
kkurt [141]

Answer:

A

Explanation:

5 0
3 years ago
Consumers who wish to make a purchase from other consumer on ebay need tl
il63 [147K]

Answer:

Bid on item

Explanation:

Consumers who wish to make a purchase from other consumer on ebay need to first of all bid on the item. This is done by specifying the price in which the purchase should be made.

When this is done, the seller contacts the buyer if he/she’s okay with the price of the goods and services and other formalities are discussed.

8 0
3 years ago
In a block of addresses we know the IP address of one host is Roll no. Roll no. Roll no. Roll no./20.What is the first address a
lesya [120]

Answer:

If there’s one topic that trips people up (both new and experienced) in the networking industry, it is that of Subnetting.

One of the reasons this happens is that one has to perform (mental) calculations in decimal and also binary. Another reason is that many people have not had enough practice with subnetting.

In this article, we will discuss what Subnetting is, why it came about, its usefulness, and how to do subnetting the proper way. To make this article as practical as possible, we will go through many examples.

Note: While subnetting applies to both IPv4 and IPv6, this article will only focus on IPv4. The same concepts explained here can be applied to IPv6. Moreover, subnetting in IPv6 is more of a want rather than a necessity because of the large address space.

IP address network

For example, any traffic with a destination IP address of 192.168.1.101 will be delivered to PC1, while traffic addressed to 192.168.1.250 will be delivered to SERVER.

Note: This is an oversimplification of things just for understanding sake and refers to Unicast (one-to-one) IPv4 addresses. Traffic sent to Multicast (one-to-many) and Broadcast (one-to-all) IP addresses can be delivered to multiple devices. Also, features like Network Address Translation (NAT) allow one IP address to be shared by multiple devices.

To help your understanding of IP addresses and subnetting, you need to resolve the following fact in your head: Computers think in binary, that is, 0s and 1s. Therefore, even though we see an IP address represented like 192.168.1.250, it is actually just a string of bits – 32 bits in total for IPv4 addresses.

To make them more readable for humans, IPv4 addresses are represented in dotted decimal notation where the 32 bits are divided into 4 blocks of 8 bits (also known as an octet), and each block is converted to a decimal number.

For example, 01110100 in binary is 116 in decimal:

A unicast IPv4 address such as 192.168.1.250 can be divided into two parts: Network portion and Host ID. So what does this mean? Well, IPv4 addresses were originally designed based on classes: Class A to Class E. Multicast addresses are assigned from the Class D range while Class E is reserved for experimental use, leaving us with Class A to C:

Class A: Uses the first 8 bits for the Network portion leaving 24 bits for host IDs. The leftmost bit is set to “0”.

Class B: Uses the first 16 bits for the Network portion leaving 16 bits for host IDs. The two leftmost bits are set to “10”.

Class C: Uses the first 24 bits for the Network portion leaving 8 bits for host IDs. The three leftmost bits are set to “110”.

Note: The range of Class A is actually 1-126 because 0.x.x.x and 127.x.x.x are reserved.

With these classes, a computer/device can look at the first three bits of any IP address and determine what class it belongs to. For example, the 192.168.1.250 IP address clearly falls into the Class C range.

Looking at the Host ID portion of the classes, we can determine how many hosts (or number of individual IP addresses) a network in each class will support. For example, a Class C network will ideally support up to 256 host IDs i.e. from 00000000 (decimal 0) to 11111111 (decimal 255). However, two of these addresses cannot be assigned to hosts because the first (all 0s) represents the network address while the last (all 1s) represents the broadcast address. This leaves us with 254 host IDs. A simple formula to calculate the number of hosts supported

Explanation: Final answer is Start address: 192.168.58.0 + 1 = 192.168.58.1

End address: 192.168.58.16 – 2 = 192.168.58.14

Broadcast address: 192.168.58.16 – 1 = 192.168.58.15

7 0
2 years ago
How to calculate a pid controller
pishuonlain [190]

Answer:

Control by PID1

is a control method often used for servos.

Don't you know what a bondage is? Well, it's a system, capable of reaching and

maintain a setpoint thanks to the measurements it performs.

Imagine, for example, in a car on the highway. You want to drive at 130Km / h

without having to press the accelerator. Your car's cruise control should

by itself maintain this speed. When approaching a slope the system "notices" that for

the same power at the level of the motor, it no longer reaches the 130 km / h setpoint and will add a

little acceleration. Yes but by how much? And how long will it take for the system to

stabilize around the setpoint?

That's the whole servo problem and PID control is one way to solve it!

PID is the most widely used regulator in industry. The idea of ​​this control body is to

intentionally modify the value of the error which remains between the setpoint and the measurement

performed.

For example in the case of a position control the error would be: ε = c (p) - s (p)

In the case of proportional control, the error is virtually amplified by a certain gain

constant that should be determined according to the system.

Setpoint (t) = Kp.ε (t)

What in Laplace gives:

Setpoint (p) = Kp.ε (p)

Explanation:

5 0
3 years ago
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