1-Define hub. Ans- A hub is a hardware device used to connect several computers together Hubs can be either active or passive Hubs usual. it can support 8, 12 or 24 RJ45 ports 2-Define modem. Ans- MOdulator – DEModulator (or Modem) is a device that connects telephone line to computer It converts digital signal to…
What is a computer network? A computer network is a collection of interconnected computers. Two computers are said to be interconnected if they are capable of sharing hardware, software and exchanging information. Name the architectures that are involved in network design? Peer to peer (P2P) Client – Server Hybrid of client-server and P2P List the…
CBSE Class- 12 -Computer Science (083) Practical File CBSE Class- 12 -IP (065) Practical File CBSE Class- 10 -Information Technology (402) Practical File
1.Create a text file “intro.txt” in python and ask the user to write a single line of text by user input.
1. CREATE DATABASE It is used to create a new database. Syntax: CREATE DATABASE database_name; Example: CREATE DATABASE school; 2. USE It is used to select a database before performing any operation. Syntax: USE database_name; Ex.- USE school; 3. CREATE TABLE It is used to create a new table inside a database….
1. What is MySQL? MySQL is an Open Source Relational Database Management System (RDBMS). Data is stored in the form of tables (rows and columns). It uses SQL (Structured Query Language). 2. Why Connect MySQL with Python? Python programs can store and manage large data using MySQL. Useful in: School management systems Banking systems Online…
Length of List len() is used to determine the length of any list in python. Syntax- len(List_name) type() function This function is used to determine the data type of items in list. Syntax- type(List_name) list() Builder list() function is used to construct a list from given items. Syntax- list() Access Items in List List Items…
What is a String? A string is a sequence of characters enclosed in: Single quotes ‘ ‘ Double quotes ” ” Triple quotes ”’ ”’ or “”” “”” Example Features of Strings Strings are immutable (cannot be changed after creation) Strings are indexed. 3. String Indexing Positive Indexing As we have seen that list items…
About LIST Lists are used to store multiple items in a single variable. List items are ordered, changeable, and allow duplicate values. List items are indexed, the first item has index [0], the second item has index [1] and last item has index [n-1] , where n is the no. of elements in list. The…
