TCS Interview Questions and Answers

Cross contamination is the transfer of harmful bacteria or other substances from one surface or object to another.

• It can occur through direct contact, such as touching contaminated surfaces and then touching food or other objects.

• It can also occur through indirect contact, such as when contaminated utensils or equipment are used to prepare food.

• Cross contamination can lead to foodborne illness and is prevented by proper cleaning and sanitation practices.

• Examples include using...read more

Customer service is the act of providing assistance and support to customers before, during, and after a purchase.

• It involves listening to customers' needs and concerns

• Providing accurate information about products or services

• Being friendly and courteous

• Resolving issues and complaints in a timely and satisfactory manner

• Going above and beyond to exceed customer expectations

• Examples include answering phone calls, responding to emails, and providing in-person assistance

List is an ordered collection of elements while dictionary is an unordered collection of key-value pairs.

• Lists are accessed by index while dictionaries are accessed by keys.

• Lists can contain duplicate values while dictionaries cannot have duplicate keys.

• Lists are enclosed in square brackets [] while dictionaries are enclosed in curly braces {}.

• Example: list = [1, 2, 3] and dictionary = {'a': 1, 'b': 2, 'c': 3}

The formula for calculating food cost is total cost of ingredients divided by total number of servings.

• Food cost = Total cost of ingredients / Total number of servings

• Total cost of ingredients includes all costs associated with preparing the dish (e.g. cost of raw materials, labor, overhead)

• Total number of servings is the number of portions the dish yields

• For example, if the total cost of ingredients for a dish is $100 and it yields 20 servings, the food cost per serving woul...read more

Window functions in SQL are used to perform calculations across a set of rows that are related to the current row.

• Window functions are used to calculate values based on a subset of rows within a larger result set.

• They allow you to perform calculations across rows that are related to the current row.

• Examples of window functions include ROW_NUMBER, RANK, DENSE_RANK, and NTILE.

• Window functions are often used in conjunction with the OVER clause to define the subset of rows to be ...read more

Basic supply chain principles involve planning, sourcing, making, delivering, and returning products.

• Planning involves forecasting demand and creating a strategy

• Sourcing involves selecting suppliers and negotiating contracts

• Making involves manufacturing or assembling products

• Delivering involves transportation and logistics

• Returning involves managing reverse logistics and handling product returns

• Efficiency and cost-effectiveness are key goals

• Collaboration and communication are...read more