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Alja [10]
3 years ago
6

If a ≤m b and b is regular, does that imply that a is a regular language? why or why not?

Computers and Technology
1 answer:
hichkok12 [17]3 years ago
4 0
Answer: No. For example, define the languages A = { 0 n1 n | n ≥ 0 } and B = {1}, both over the alphabet Σ = {0, 1}. Define the function f : Σ∗ → Σ∗ as
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How many check boxes from the following code can be selected at any given time? Home Address Federal Express UPS
Ahat [919]

Answer:

The answer to the given question is "3".

Explanation:

  • In the given HTML checkboxes code. We used input type= "checkbox" that provide a checkbox. That is used to select one or more options on the limited number of choices.  
  • In this code, we use check three checkbox that is "Home Address, Federal Express and UPS" in this checkboxes code we use the name attribute that works as a reference this attribute is used to submit data into the database.  

In this code, we select(check) in all three checkboxes that's why the answer to this question is "3".

5 0
3 years ago
Write a program that generates 100 random numbers and keeps a count of how many of those random numbers are even and how many of
Anvisha [2.4K]

Answer:

import random

numbers = []

even = 0

odd = 0

for i in range(100):

   numbers.append(random.randint(1, 200))

for i in range(100):

   if numbers[i] % 2 == 0:

       even += 1

   else:

       odd += 1

print("Even:", even)

print("Odd:", odd)

Explanation:

Gg ez.

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3 years ago
Which of the following electronic payments is ideal for micropayments?
timama [110]

Answer:

B. smart cards

Explanation:

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3 years ago
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How many digits are in the binary number system? Explain why.
Katen [24]

Answer:

Since there are only two digits in binary, there are only two possible outcomes of each partial multiplication: If the digit in B is 0, the partial product is also 0. If the digit in B is 1, the partial product is equal to A.

Explanation:

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3 years ago
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1. Why was the Internet created?
lana [24]

Answer:

1. The internet is any set of computer network that communicates using standardized protocols.The Internet was first invented for military purposes, and then expanded to the purpose of communication among scientists

2.ARPANET was the network that became the basis for the Internet. Based on a concept first published in 1967, ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA). In 1969, the idea became a modest reality with the interconnection of four university computers.

3.The first permanent ARPANET link was established on 21 November 1969, between the IMP at UCLA and the IMP at the Stanford Research Institute.

4. Vinton Grey Cerf born june 23rd 1943 in New Haven Connecticut is considered to be the father of internet.

5.Mosaic is a converged platform, which offers data engineering, advanced analytics, knowledge-led automation, IoT connectivity and improved solution experience to its users. Mosaic enables organizations to undertake quantum leaps in business transformation, and brings an insights-driven approach to decision-making. It helps deliver pioneering Analytics solutions at the intersection of physical and digital worlds.

6. client/server network. A computer network in which one centralized, powerful computer (called the server) is a hub to which many less powerful personal computers or workstations (called clients) are connected. The clients run programs and access data that are stored on the server

7.An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two main functions: host or network interface identification and location addressing.

8.A Vlog is is a video blog post. You can think of it as an online journal or diary, while A blog is purely text based.

9. The main difference between podcast and webcast is live streaming. Webcasting is essentially broadcasting over the Internet, using online streaming to deliver content. Podcasts are delivered via the Internet but are not streamed.

10.Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people. Email should be used because it safe and secure.

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12.Text messaging, or simply "texting," is a cellular phone service typically limited to 160 characters, whereas instant messaging isusually a computer session with a longermessage size. ... Both text messaging andinstant messaging are often called just plain "messaging."

13.Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimediasessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet telephony, broadband telephony, and broadband phone servicespecifically refer to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN), also known as plain old telephone service (POTS).

14.Ecommerce, also known as electronic commerce or internet commerce, refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions.

15.The B2B, B2C,C2C are types of ecommerce business models.

The B2B business model is one which facilitates business transaction from one company to another example an engineering manufacturing company sells equipment to a construction company

B2C:It is a business model in which a retailer sells directly to a consumer

C2C: It is a business model in which a consumer sells to another consumer through a platform or in-person.

16. Social ecommerce and mcommerce have different meanings, though both aim at making customers' lives easier. Simply put,ecommerce is an umbrella term for selling and buying online, while mobile commerce, or mcommerce, is a subcategory of ecommerce that focus on purchasing viamobile devices.

3 0
3 years ago
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