DAV Class 8 Computer Chapter 5 Identifying Networked Resources and Computers Question Answer Notes
DAV Class 8 Computer Chapter 5 Identifying Networked Resources and Computers Question Answer Notes Solution by Expert Computer Teacher. DAV Class 8 Computer 5th Chapter Identifying Networked Resources and Computers for Students of DAV Schools.
Lesson No 5
Identifying Networked Resources and Computers
(Q1) Fill the blanks:-
(1) Website is the collection of inter related webpages.
(2) A document that contains text, graphics, sound or video and can be viewed in the web browser is termed as Web page.
(3) The huge computer that stores data, web sites etc and responds to the commands that is given by us on the internet is known as Web server.
(4) Every website name is defined according to a naming system called “Domain Name System” (DNS)
(5) The address of every single webpage is known as URL (Uniform Resource Locator).
(6) Protocols are the set of rules and regulation that is followed while communicating or transferring of data over the computer network or on the internet.
(Q2) Write down the full forms of the following terms :-
(1) HTML – Hyper Text Mark-up Language
(2) FTP – File Transfer Protocol
(3) HTTP – Hyper Text Transfer Protocol
(4) TCP/IP – Transmission Control Protocol / Internet Protocol
(5) .com – Commercial Websites
(6) .org – Organizational Websites
(7) .edu – Educational Websites
(8) .gov – Government Websites
(9) DNS – Domain Naming System
(10) .mil – Military Websites
(Q3) State whether the following statements are True or False :-
(1) Webpage is a document that can contain text, graphics, sound, and videos which can be viewed in a web browser. True
(2) The first page of the website is known as Homepage. True
(3) Server machine is the computer from which we are using the internet. False
(4) Web hosting company is the company that is providing space on rent on a Web server. True
(5) Every website name is defined according to a naming system called Domain Naming System. True
(6) The rules and regulations over a network is to be termed as Protocol. True
(7) HTTP are the rules which should be followed while transferring information that is containing text, graphics, hypertext, sound video and world wide web. True
(Q4) Answer the following questions in one or two sentences each :-
(1) What is a webpage and website.
Ans :- Web page :- A web page is one type of document in which there is text, graphics, sound , video etc containing. This webpages can only be viewed with the help of the web browser that is available in your computer.
Websites :- Website is a collection of the webpages which are been interlinked or related with each other. A website can have one or more than one webpages.
(2) What is a Web server
Ans :- Webserver is a computer on which the websites which can be browsed with the help of internet are been stored. Webserver also performs the task of keeping and storing the websites and releasing/ sending it as per the request given by us in the form of command.
(3) What do know about Web Hosting Company.
Ans :- Once the registration of website is been finalised, then there is a need/requirement of the space on the webserver for storing/saving the website. Such type of space for storing the website on the webserver is been taken on the rental basis and the company providing the facility of space on the rental basis is to be termed as Web Hosting Company.
(4) What do you mean by Domain Naming System (DNS)
Ans :- Nowadays you might have been observed the websites on the internet, which starts with the www and ends with .in, .edu, .com, .org etc. Every websites are been given name as per the naming system known as Domain Naming System (DNS). When the user creates the website for the first time, the gives the name to the website (generic name) which mostly depends on the use /purpose of the website was been designed or created. After the name of the website, domain code (generic domain) is been followed. Basically there are six types of generic domains which are
.com – Commercial Websites
.org – Organizational Websites
.mil – Military Websites
.edu – Educational Websites
.net – Network Websites
For ex :- www.amazon.com
(5) What is a Protocol
Ans :- As in our daily life we follow certain rules for the smooth functioning of the organization, or country just like that there is a need of some rules for quicker and smooth transferring of files or for communication over the network or internet, Such form of rules are to be known as Protocols.
(Q5) Answer the following questions in brief:-
(1) State the difference between the Server and Client?
Ans :- The difference between the Server and Client are as followed :-
(a) Server :- The other name for the server is the host computer that helps in accessing and controlling of the hardwares and softwares in the network and
provides the area for storing programs, data and information. he applications, files, printers and other information is made available when the user connects/makes use of server.
(b) Client :- It is a computer that mostly depends on the server for each and every resources. For ex :- a server might store a network version of network of word processing software. Every client on the network can access the word processing software on the server.
(2) Write a note on URL
Ans :- As we are much aware that website is the collection of interrelated webpages. On the internet, every webpage and website is given the web address, which seems that the page number given to the page in a book. The address that is given to the webpages or websites are in the form of numbers. The address of the webpage or document defines the address as the set of four numbers which is separated by three dots. Eg :- 233.132.198.20. It was very difficult for one to remember such a address of every single website or webpages. URL stands for Uniform Resource Locator which states the address of each webpage. URL is the method of allotting/giving the address to a webpage on the internet. The first/homepage of the website or the name of the website is one of the URL. For ex :- www.yahoo.com, www.mail.yahoo.com, www.google.com etc.
(3) What is FTP
Ans :- The full abbreviation of FTP is File Transfer Protocol. This type of protocol is mainly used for transferring files from one computer to the another. When we want to upload (transferring of files from the client to the webserver hosting) or downloading (transferring of files from the server to the client computer) a file from the webserver, FTP protocol is been made used of.
4) What do you understand by HTTP
Ans :- HTTP stand for Hyper text Transfer protocol. This is one type of protocol which states the rules that is to be followed at the time of transferring information which is containing, text, graphics, hypertext, sound and video on world wide web (www). Such protocol is widely and mainly used for transferring and viewing files. Tim Berner Lee was the first person for defining such type of protocol.
(5) Explain the concept of the Security Network?
Ans :- Imagine that some one is trying to enter you house without taking your permission and takes everything from your house, then what will you do? Will you allow him/her to take away all the valuable things from your house? Absolutely no, one will ever allow him/her to take the precious things from their house without their permission. Similar to that in the world of online there are many persons acting as hackers who tries to access your bank accounts online or emails or our personal computers for their own benefits. Such form of act is to be termed as Cyber Crime which is treated as the very severe crime in the Cyber laws. For stopping the Cyber crimes in India as well as in the world, certain laws are been implemented.
Hacking is the process or method of stealing someone’s personal information by getting accessed to his personal computer.
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