Page 379 - Information_Practice_Fliipbook_Class11
P. 379

✥   Operators: Operators are tokens that perform a particular operation on the given values, called operands.

            ✥   ORDER By Clause: ORDER BY clause  sorts data on one or more columns in ascending or descending order.
            ✥   Output Devices: The output devices receive data from a computer and deliver the desired output on a suitable device for a
               user.

            ✥   Platform as a Service (PaaS): PaaS provides users with a platform for building, deploying, and managing applications without
               having to worry about the underlying infrastructure.

            ✥   Primary Key: One of the candidate keys is designated as primary key.
            ✥   Private cloud: A private cloud is a cloud infrastructure that is owned and operated by a single organisation and made available
               to internal users over a private network.
            ✥   Program: Sequence of instructions given to a computer is called a program.

            ✥   Public cloud: A public cloud is a cloud infrastructure that is owned and operated by a third-party cloud service provider and
               made available to the public over the Internet.
            ✥   Python Shell: Interactive Python interpreter is also known as the Python Shell.

            ✥   Random Access Memory (RAM): RAM is a random access memory in which data can be read from and written onto any
               random memory location. It is also commonly known as main memory or read/write memory.

            ✥   Raw Facts: Data are raw facts.
            ✥   Read Only Memory (ROM): ROM is a non-volatile memory that stores the data permanently.
            ✥   Relational schema: Relational schema describes the structure of a relation.
            ✥   Relationship: A relationship specifies how two entities are linked (or related) to each other.

            ✥   Set: A set is an unordered and unindexed collection of data items separated by a comma and enclosed within curly brackets:{}.
            ✥   Software as a Service (SaaS): This provides users with access to software applications and services, such as email, CRM, and
               productivity tools, over the Internet.

            ✥   Source code: A program written in a high-level programming language is called the source code.
            ✥   String: A string refers to a sequence of characters.

            ✥   Supervised learning: Supervised learning involves training a model on labelled data to make predictions or classifications
               based on new, unlabelled data.

            ✥   System Software: System Software provides basic functionality to operate a computer.
            ✥   Tokens: A statement in Python is a sequence of its lexical components, called tokens, such as numbers, parentheses, and
               commas.

            ✥   Tuple: A tuple is a sequence of objects (not necessarily of the same type) enclosed in parenthesis: ().
            ✥   Unique attribute: Each column of a table represents a unique attribute.
            ✥   Unsupervised learning: Unsupervised learning  involves training  a model  on  unlabelled  data to identify patterns or
               relationships in the data. Reinforcement learning involves training a model to make decisions based on feedback received
               from the environment.

            ✥   Virtual  reality: Virtual  reality creates a completely immersive  experience  by replacing  the user’s physical reality with  a
               simulated environment.
















                                                                                                      Glossary   365
   374   375   376   377   378   379   380   381   382