Archinova Design Inc. Interview Questions and Answers

A payment aggregator is a service provider that allows merchants to accept payments through multiple payment methods.

• Payment aggregators consolidate payments from various sources and process them on behalf of merchants.

• They provide a single point of access for merchants to accept payments from different channels such as credit cards, digital wallets, and bank transfers.

• Examples of payment aggregators include PayPal, Stripe, and Square.

• Payment aggregators typically charge a fe...read more

I am familiar with various payment modes including cash, credit/debit cards, online transfers, and mobile wallets.

• Cash

• Credit/Debit Cards

• Online Transfers

• Mobile Wallets

A payment gateway is a technology used to securely process online payments from customers to merchants.

• It acts as a middleman between the customer's bank and the merchant's bank

• It encrypts sensitive information to ensure secure transactions

• Popular examples include PayPal, Stripe, and Square

Self-attention is a mechanism in deep learning models that allows each word in a sequence to focus on other words in the same sequence.

• Self-attention calculates attention scores by comparing each word's embeddings with every other word's embeddings.

• These attention scores are then used to compute a weighted sum of the embeddings, which forms the output of the self-attention layer.

• The formulation for self-attention involves three matrices: Query (Q), Key (K), and Value (V), whi...read more

10% of 100 is 10.

• To find 10% of a number, divide the number by 10.

• In this case, 100 divided by 10 equals 10.

• So, 10% of 100 is 10.

Encoder and decoder are components of an autoencoder used in machine learning for data compression and reconstruction.

• Encoder takes input data and compresses it into a latent space representation

• Decoder takes the compressed representation and reconstructs the original input data

• Autoencoders use encoder-decoder architecture for tasks like image denoising, anomaly detection, and dimensionality reduction

Payment flow refers to the process of how payments are initiated, authorized, processed, and settled between parties.

• Payment is initiated by the payer through a payment method such as credit card, bank transfer, or digital wallet.

• The payment request is then authorized by the payer's financial institution or payment processor.

• The payment information is processed by the payment gateway or processor to transfer funds from the payer to the payee.

• Finally, the payment is settled wh...read more

The answer is 20.

• 100% of 20 is equal to 20.

• To calculate 100% of a number, you simply multiply the number by 1.

• For example, 100% of 50 is 50, because 50 x 1 = 50.