gyaniguruji

Computer Network: An interconnection of multiple devices, also known as hosts, that are connected using multiple paths for the purpose of sending/receiving data or media. Computer networks can also include multiple devices/mediums which help in the communication between two different devices; these are known as Network devices and include things such as routers, switches, hubs, and bridges. The arrangement of a network that comprises nodes and connecting lines via sender and receiver is referred to as network topology. The various network topologies are:   a) Mesh Topology : In a mesh topology, every device is connected to another device via a particular channel. Figure 1: Every device is connected with another via dedicated channels. These channels are known as links. Advantages of this topology : 1.It is robust. 2.The fault is diagnosed easily. Data is reliable because data is transferred among the devices through dedicated channels or links. 3.Provides securi...

  BCA SYLLABUS AND QUICK REVISION NOTES SOURCE: KHWAZA MUINUDD EEN CHISHTI AND LUCKNOW UNIVERSITY subject ; computer fundamental chapter: OPERATING SYSTEM Syllabus of this chapter :  1.introduction to operating system  2.Function of operating system   3. types of operating system 4.features of ms windows   (i)control panel  (ii)TAskbar ,(iii)Desktop ,(iv) WIndows application ,  (v)windows accessories  (vi)notepad  (vii)paintbrush       Dosto is chapter me Deepdive karne se pahle mai aapko btana chahta hu ki ye Notes maine khud banaaye hai aur agar aap is chapter ke notes banana chahte hai to is article me mai aapko jo topic btaya hu vahi likh lijiyega jo aapke assignment , exam me aapka bahut Help karega ;  introduction to operating system :                                          An  Operating Syste...

  BCA SYLLABUS AND QUICK REVISION NOTES SOURCE: KHWAZA MUINUDD EEN CHISHTI AND LUCKNOW UNIVERSITY subject ; c language complete notes 1. What is c language? ans: c language is a middle level procedural programming oriented programming  language developed by  " DENNIS RITCHIE"   at "AT&T's  in Bell labourties in 1972 in USA. SYNTAX OF C LANGUAGE: It is the basic syntax of c langauge:   #include<stdio.h> #include<conio.h> void main() { statement;     }   syntax rule for C Program C is a case sensitive language so all programms in c written in lower case letter.  C statement must be end with a semicolon. Whitespace is used in C to describe blanks and tabs space is required between keywords and identifiers Keywords Keywords are preserved words that have special meaning in C language. The meaning has already been described. These meaning cannot be changed. There are total 32 keywords in C language. Identifiers In C langua...