- Network can exchange data in between different companies;
- There are 2 types of Network in computers in context of geographical region- Local Area Network (LAN) and Wide Area Network (WAN);
- When computers are installed very near to each other is the Local Area Network;
- When all the computers are installed a long way distance or among the countries is the Wide Area Network;
- Wired and Wireless are the medium for making internet or network;
- The structure that creates network among the computers is Topology;
- The member of the Local Area Network is – Bus Topology, Ring Topology, Star Topology, Completely connected Topology, Delta Topology, Hybrid Topology;
- The function of Delta Bus among the different computers- Delta transfer;
- In Bus Topology does not have Host computer;
- In Star Topology does have Host computer;
- In Star Topology Host computer plays role of bridge with the terminal;
- The name of extended form of Star Topology is- Tree Topology;
- The Star Topology does not allow to transfer data directly from computer to computer;
- Hybrid Topology consist of Ring + Bus + completely connected Topology;
- Internet was popularly known to all and got its recognition in 1994;
- The different servers of different cities come under satellite at the beginning of 90’s;
- Each and every document of Internet purpose must have their own Address;
- Uniform Resource Location (URL) is the address of document in internet;
- There are 3 parts in an internet address;
- Account holders of Internet- Netigen;
- A person having the full control over the domain of computer is- an operator.
- We use web to- (1) Send and receive e-mail, (2) Search for information.
- “Freeze Windows Panses” is an Excel command which helps in- Password protection;
- Firewall- protects a computer systemfrom hacking & filtering Virus;
- A program that can copy itself and infect the computer without permission and knowledge of the owner is called- Virus;
- The name of structure where data move through a network is- Packets;
- Universal gate- NAND, NOR, EX-OR;
- Verification of a log in name and password is known as- Authentication;
- VoIP means- Voice OverInternet Protocol;
- The Google’s first mobile phone is- Nexus One;
- LAN, MAN, WAN, and ISDN are- Network System
- What is computer networking?-A system in which computers are connected to share information and resources.
- What is the name of the first Computer Network?Ans: ARPANET (Advanced Research Projects Administration Network)
- The IP Address 125.111.5.4 belongs to which of the following class – Class B
- The most distinctive difference between in LAN and a WAN is – Distance Covered
- The central device in star topology is- Hub/Switch;
- The fasted data transmission media is- Fiber optic cable;
- All classes IP networks can be divided into smaller networks called- Subnet;
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