PER-020 JAV ### 5. When a <code>Socket` is opened on a `process` and it's read to run, what does it do? - The socket opens a backchannel for communication between the server and the client, allowing them to send and receive data. This setup typically uses TCP/IP, creating a persistent connection for client-server interaction. ### 6. What does `push` do in a process? - `push` is used to send data from a process to another process or client-server. It typically involves sending an event or update to a client or server through a channel like HTTP or WebSocket. ### 7. What does `pull` do in a process? - `pull` is used to receive or update data from a process. It involves receiving an event or update from a client or server through a channel like HTTP or WebSocket. ### 8. What are the two working methods of a process? - The two working methods of a process are: - **Event Loop:** This involves continually checking `web` or `browser` for new events or updates, handling each one as it comes. - **Data Handler:** This involves handling the actual data once it's received from a client/server, often involving some form of processing or execution. ### 9. Does `process` have any transforms? - No, `process` does not have any transforms. It functions as a stand-alone system focused on executing and verifying computer code within a given environment. ### 1. What is a `Queue`? - A `Queue` is a linear data structure which is used to store and handle data in a sequential manner. It operates on the principle of **First-In-First-Out (FIFO)**, meaning the first data entered is also the first one to be removed. ### 2. What is a `Stack`? - A `Stack` is a linear data structure which is used to store and handle data in a sequential manner. It operates on the principle of **Last-In-First-Out (LIFO)**, meaning the last data entered is the first one to be removed. ### 3. What does `Process` have? - A `Process` consists of the following items: - **CPU:** dedicated to the process for executing instructions. - **Memory:** dedicated to the process for storing and processing data. - **Insets:** The areas of the process that are open to interaction or data insertion. - **Outsets:** The areas of the process that are open for outputting or sending data. - **Process ID:** A unique identifier for the process to recognize and manage it in the system. - **Parent Function:** The function or code that created the process. - **Status:** The current state of the process (e.g., running, waiting, stopped). - **Priority:** The priority level of the process in the system for CPU scheduling. ### 4. What is a `Registry`? - A `Registry` is a centralized database used to store and handle configuration information, systems, and applications. It typically contains configuration settings, user preferences, system settings, and other related data. ### 5. What is a `Kernel`? - A `Kernel` is the essential core of an operating system. It manages and controls the operation of the entire system, handling resources like memory, CPU, devices, and system calls. ### 6. What is a `Banner`? - A `Banner` is a graphical or textual image displayed on a terminal or display unit to announce or identify a user or system. It often contains information like the operating system, device name, or login prompt. - Free Trailer and English Subtitles srt.

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