National Payments Corporation of India Data Engineer Interview Questions and Answers

Amortization is the process of spreading out a loan into smaller, regular payments over a period of time.

• It is used to pay off a debt over time with regular payments

• Each payment includes both principal and interest

• The amount of interest decreases over time as the principal is paid off

• Examples include mortgages, car loans, and student loans

WASO is Wake After Sleep Onset, TSO is Total Sleep Time, and EPS is Earnings Per Share.

• WASO is the amount of time spent awake after initially falling asleep.

• TSO is the total amount of time spent sleeping, including both REM and non-REM sleep.

• EPS is a financial metric that represents the portion of a company's profit allocated to each outstanding share of common stock.

• WASO and TSO are commonly used in sleep studies, whi

The financial statements (BS, IS, CF) have common elements such as assets, liabilities, equity, revenue, expenses, and cash flows.

• Assets: resources owned by the company

• Liabilities: obligations owed by the company

• Equity: residual interest in the assets of the company

• Revenue: income generated by the company

• Expenses: costs incurred by the company

• Cash flows: inflows and outflows of cash

A stock split increases the number of shares outstanding and decreases the price per share, but does not affect the market capitalisation.

• Stock split does not affect the total value of the company

• Market capitalisation remains the same after a stock split

• Stock split increases the number of shares outstanding and decreases the price per share

• For example, if a company has 1 million shares outstanding and the stock splits ...read more

Cash flow statements have three main components: operating activities, investing activities, and financing activities.

• Operating activities: cash inflows and outflows from the company's core business operations.

• Investing activities: cash inflows and outflows from buying or selling long-term assets.

• Financing activities: cash inflows and outflows from borrowing or repaying debt, issuing or buying back stock, and paying di...read more

EPS is calculated by dividing the company's net income by the number of outstanding shares.

• EPS = Net Income / Outstanding Shares

• Net Income is the company's total earnings after expenses and taxes

• Outstanding Shares are the total number of shares issued by the company

• EPS is an important metric for investors to evaluate a company's profitability

• Higher EPS indicates better profitability and potential for higher dividends

Financial statements, cost sheet, debt to equity ratio, stock option, stock split, lease financing, profitability ratios.

• Financial statements are reports that show the financial performance of a company.

• Cost sheet of a bank includes interest expenses and income, while cost sheet of a manufacturing company includes direct and indirect costs.

• Debt to equity ratio is a financial ratio that shows the proportion of debt and ...read more

Commands that run on driver and executor in a word count Spark program.

• The command to read the input file and create RDD will run on driver.

• The command to split the lines and count the words will run on executor.

• The command to aggregate the word counts and write the output will run on driver.

• Driver sends tasks to executors and coordinates the overall job.

• Executor processes the tasks assigned by the driver.