A disadvantage of the barter system is that
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2. A disadvantage of the barter system is that
people must produce all their own food, clothing, and shelter.
no trade occurs.
silver is the only unit of account.
the opportunity to specialize is greatly reduced.
Step by step
Solved in 3 steps
- Jin Mori is like any other student who loves sleeping. Jin Taejin, his grandfather, imposes a waking schedule that Jin Mori must follow to avoid tardiness at his school. The schedule stated that on weekdays, Mori must be awake at "7:00" and at "10:00" at weekends. Taejin added an exemption for their school vacation. If it is their school vacation, the schedule is "10:00" for weekdays and "off" for weekends. If Jin will not follow the schedule, he is not allowed to practice his favorite martial art, taekwondo. Your job is to create a program that will serve as the alarm clock for Jin Mori. Expected Output: Test Case 1: Vacation: False Day: Monday Alarm Time: 7:00 Awake: Yes Be ready for your practice Mori! Test Case 2: (input) (input) (auto generated) (input) Vacation: False Day: Saturday Alarm Time: 10:00 Awake: No (input) (input) (auto generated) (input) You are not allowed to practice your taekwondo!1. Front-Running Detector Front-running is defined as trading a stock or another financial asset by a broker who has inside knowledge of a future transaction that is about to affect its price substantially. It is illegal and unethical. Here's an example of front-running: Say a trader gets an order from a broker to buy 50,000 shares of Tesla. Such a huge purchase is bound to drive up the price of the stock immediately, at least in the short term. The trader sets aside the broker request for a minute and first buys some Tesla stock for their own portfolio. Then the broker's order is executed. The trader could then immediately sell the Tesla shares and collect a profit. The trader has made a profit based on information that was not public knowledge. Your task is to create a Front-Running Detector that will process option trade data from different exchanges and determine if front-running has occurred. Your solution should be able to handle data from multiple exchanges, with the expectation…Computer Science The term “knowledge” is defined in the dictionary (Oxford Learner’s Dictionaries) as the information, understanding, and skills that a person gains through education or experience. So, it is expected that only human-beings can possess and use knowledge. However, with machine learning and deep learning, it now seems that “machine” can also possess and use knowledge. For example, Google’s AlphaGO won three-match series against the world’s best Go players. Can “machine” possess and use knowledge? What do you think? Please provide details and examples to support your opinions.
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- The mathematical functions introduced in Chapter 4 can be used to compute and simulate engineering and scientific issues. In these cases, we formulate the mathematical issue and then use the computer to perform computations and simulations. Can a computer programme solve a math problem and develop mathematical formulas, i.e., can it perform the functions of a mathematician?Assignment As an initiation into the study of ethics, carefully read each of the following scenarios. After reflection, come up with your own answer to each of the questions. Scenario 1 Alexis, a gifted high school student, wants to become a doctor. Because she comes from a poor family, she will need a scholarship in order to attend college. Some of her classes require students to do extra research projects in order to get an A. Her high school has a few older PCs, but there are always long lines of students waiting to use them during the school day. After school, she usually works at a part-time job to help support her family. One evening Alexis visits the library of a private college a few miles from her family's apartment, and she finds plenty of unused PCs connected to the Internet. She surreptitiously looks over the shoulder of another student to learn a valid login/password combination. Alexis returns to the library several times a week, and by using its PCs and printers she…The students' goal of EFL classes is to......... O a. progress in the studies O b. speak English O c. teach English sufficiently 2. It is vital to remember that, a language teacher, needs to be........... Oa. Close to the students O b. competent and patient O c. having good handwriting
- The use of computers in education is referred to as computer-assisted instruction (CAI). One problem that develops in CAI environments is student fatigue. This problem can be eliminated by varying the computer's dialogue to hold the student's attention. For each correct answer and each incorrect an- swer. The set of responses for correct answers is as follows: Very good! Excellent! Nice work! Keep up the good work! The set of responses for incorrect answers is as follows: No. Please try again. Wrong. Try once more. Don't give up!No. Keep trying. Use random number generation to choose a number from 1 to 4 that will be used to select an appropriate response to each answer. Use a switch statement to issue the responses. Please write the code in Javascript HTML5Computer Science User story 1 : As a customer, I want to see the user rating of the service provider so that I can get a reliable service. User story2: As a customer, I would like to give feedback about the job User story3: As an active rental agency owner, I require constant assistance to cover the rental vehicles safety and customer satisfaction User story 4 : As a supply chain deliverer, my job demands extensive distance transportation regularly. Assistance in case of an emergency breakdown is mandatory in job. User Story 5 : As an 24*7 emergency assistance of vehicle breakdown, my job demands general repair service technicians for both bikes and cars through the network of mechanics and two vehicles. Based on above user stories . Briefly explain tasks and subtasks of each user story?The annual snake festival is upon us and all the snakes of the kingdom have gathered to participate in the parade. The chef was tasked with reporting on the parade, so he decided to watch all the snakes first. When he sees the snake first, it will be his head, so he marks the "H". Snakes are long, and when they see the snake finally scurry away, they mark its tail with a "T". In the interim, when the snake is moving around it, or in the time between one snake and the next snake, it marks a '.'. Since the snakes come in a procession and one by one, a valid message would be something like "..H..T...HTH....T.", or "...", or "HT", while "T ...H..H.T", "H..T..H", "H..H..T..T" would be invalid messages (see explanation below). Formally, a snake is represented by an 'H' followed by some (possibly null) '.' and then 'T'. A valid message is one that begins with the (probably zero-length) string '.' and then some (possibly zero) snakes, with some '.'s in between, and finally some (possibly zero)…