PGT Computer Science (Level-3), (HTET Exam 2023)

An embedded chart is a chart that is inserted directly within a worksheet, rather than being placed in a separate chart sheet. This type of chart is tied to the worksheet data and can be useful for providing a visual representation of the data alongside the numerical data itself.

System software refers to a set of one or more programs designed to control and manage the hardware and basic system operations of a computer or network. It serves as a foundation upon which application software can be run and manages the interaction between the hardware and the user applications.

In Python, dictionaries store data in key-value pairs. The key and value in a dictionary are separated by a colon (:). This structure allows for fast retrieval of data based on the unique key and is useful for representing real-world data relationships within a program.

In Python, instance methods within classes take 'self as their first parameter. 'Self refers to the instance of the class, allowing access to the attributes and methods of the class in Python. This is crucial for encapsulating the data and the operations that manipulate the data within the class.

In HTML, the <b>  tag is used to display text in boldface. The correct syntax for this tag is <b> This text is big </b>, which starts with an opening tag and ends with a closing tag. The text between these tags will appear bold on a web page, highlighting it visually for users.

Unordered lists in HTML are used to group a set of related items in no particular order and are typically marked with bullets. The tag < ul > is used for unordered lists, and each item in the list is marked with the tag < li >. These lists are a fundamental part of HTML and are used for organizing data visually for easy reading.

Logical data independence is a property of database systems that allows the database schema at the conceptual level to be altered without requiring changes to the schemas at the external level or to application programs. This independence is crucial for maintaining application operations despite changes in the structure of the database.

In SQL terminology, a "view" is essentially a virtual table represented by a SQL query. It is derived from one or more real tables in the database. Views do not store data themselves but display data stored in the base tables as specified by the SQL query that defines the view. This makes them useful for simplifying complex queries, providing security, and managing data access.

Among the listed options, "System-as-a-Service" is not recognized as a standard cloud service model. The recognized models include Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS). These models define the level of control, flexibility, and management provided in cloud-based solutions.