When data is transmitted between layers in a network stack,the unit of data at each layer is referred to as a PDU (Protocol Data Unit). A PDU typically consists of:A header: control information specific to the layerA payload: the actual data being transmittedEach layer has its own name for the PDU:Application Layer: MessageTransport Layer: Segment (TCP) / Datagram (UDP)Internet Layer: PacketLink..

Computer ArchitectureA computer consists of the following components:CPU (Central Processing Unit)DMA Controller (Direct Memory Access)Memory (Normally RAM, Random Access Memory)TimerDevice Controller CPUThe CPU (Central Processing Unit) is a computer component structured as follows:It is a worker that simply interprets and executes instructions stored in memory, triggered by *interrupts. When..

What I did- Connect supabase to administrate subscription and usage of user.- Make logics to synchronize the usage of users when - entering app - choosing an subscription plan - searching - restore the subscription plan- Fix usage-initialization to 0 problem when reinstalling the app in case no login with apple ID- Solve subscription plans missing metadata ThoughtsWhile testing and completi..

EntityAn entity is a noun that has multiple attributes, such as a person, place, object, event, or concept.Relation_릴레이션A relation is the basic unit for storing data in a database,where data about an entity is managed within a single relation.In relational databases, a relation corresponds to a table — tables are made up of records (rows), and tables together form a database.In NoSQL databases, ..

Keywords: encapsulation, decapsulation When a computer sends a request to another computer (e.g., requesting a web page via HTTP), the data flows through the network stack by undergoing encapsulation and decapsulation processes across the TCP/IP layers.EncapsulationEncapsulation is the process in which each lower layer wraps the data from the upper layer with its own header (and sometimes trai..

Today I did- Business Registration for paid app - subscription products- Fix subscription workflow in case user is not logged into Apple account- Apply supabase to save subscription data of user. With this, able to maintain user's translation usage.