Computer Science 5 Marks Each

Search Engines allow us to filter the tons of information available on the internet and get the most accurate results. And while most people don’t pay too much attention to search engines, they immensely contribute to the accuracy of results and the experience you enjoy while scouring through the internet.

(a) Search engines are:

(i)Software systems that are designed to search for information on the world wide web

(ii)Used to search documents.

(iii)Used to search videos.

(iv)All of the above

(b) We get a list of sites after typing a word in search bar called:

(i)Single word(ii)Key phrase

(iii)Site(iv)All of the above

(c) The search results are shown in a line of results. This is called:

(i)Search engine pages

(ii)Categories

(iii)Search engine result pages

(iv)Tag list

(d) Search engines are able to search _____ type of information.

(i)Videos(ii)Images

(iii)Documents(iv)All of the above

(e) Web search engines store information about web pages with the help of:

(i)Web router(ii)Web crawler

(iii)Web indexer(iv)Web organizer

In 1989, Tim Berners Lee, a researcher, proposed the idea of World Wide Web). Tim Berners Lee and his team are credited with inventing Hyper Text Transfer Protocol (HTTP), HTML and the technology for a web server and a web browser. Using hyperlinks embedded in hypertext the web developers were able to connect web pages. They could design attractive webpages containing text, sound and graphics. This change witnessed a massive expansion of the Internet in the 1990s.

(i)Programming language

(ii)Web server

(iii)Web page

(iv)Browser

(b) What is a web browser?

(i)A program that can display a webpage

(ii)A program used to view HTML documents.

(iii)It enables a user to access the resources of internet.

(iv)All of the above

(c) Dynamic web page _____

(i)is same every time whenever it displays.

(ii)generates on demand by a program or a request from browser.

(iii)both is same every time whenever it displays and generates on demand by a program or a request from browser.

(iv)is different always in a predefined order.

(d) URL stands for _______

(i)unique reference label

(ii)uniform reference label

(iii)uniform resource locator

(iv)unique resource locator

(e) A web cookie is a small piece of data that is _____

(i)sent from a website and stored in user’s web browser while a user is browsing a website

(ii)sent from user and stored in the server while a user is browsing a website

(iii)sent from root server to all servers.

(iv)sent from the root server to another root servers.

An email is a service of sending or receiving emails or messages in the form of text, audio, video, etc over the internet. Various service providers are providing email services to users. The most popular service providers in India are Gmail, Yahoo, Hotmail, Rediff, etc.

(a) The first email service was:

(i)Gmail(ii)Rediff

(iii)Hotmail(iv)Yahoo

(b) Unsolicited e-mail advertising is known as _______

(i)newsgroup

(ii)junk ads

(iii)spam

(iv)none of the above

(c) Which of the following is the correct format of email address?

(i)name@website@info

(ii)name@websiteinfo

(iii)www.nameofwebsitecom

(iv)namewebsitecom

(d) Mail access starts with client when user needs to download e-mail from the______

(i)mail box(ii)mail server

(iii)IP server(iv)internet

(e) When sender and receiver of an email are on same system, we need only two_____

(i)IP (ii)domain

(iii)servers(iv)user agents

Web Server is an uncommon PC framework running on HTTP through website pages. The page is a medium to convey information starting with one PC framework then onto the next. The working of the webserver begins from the customer or client. The client sends their request through the web browser to the webserver. Web server takes this request, processes it, and then sends back processed data to the client. The server gathers all of our web page information and sends it to the user, which we see on our Computer System n the form of a web pag(e) When the client sends a request for processing to the web server, a domain name and IP address are important to the webserver. The domain name and IP address are used to identify the user on a large network.

(i)URL (ii) Hyperlink(iii)Plugin(iv)Extension

(b) Web servers are:

(i)IP addresses

(ii)Computer systems

(iii)Webpages of a site

(iv)A medium to carry data from one computer to another.

(c) The _______ translates internet domain and host names to IP address.

(i)Domain name system

(ii)Routing information protocol

(iii)Google

(iv)Networktime protocol

(d) What does the webserver need to send back information to the user?

(i)Home address

(ii) Domain name

(iii)IP address

(iv)Both (ii) and (iii)

(e) What is the full form of HTTP?

(i)Hypertext Transfer Protocol

(ii)Hypertext Transfer Procedure

(iii)Hyperlink Transfer Protocol

(iv)Hyperlink Transfer Procedure

Oberoi Industries has set up its new center at Mangalore for its office and web-based activities. It has 4 blocks of buildings as shown in the diagram below:

Center to center distances between various blocks :

Block A to Block B	50 m
Block B to Block C	150 m
Block C to Block D	25 m
Block A to Block D	170 m
Block B to Block D	125 ill
Block A to Block C	90 m

Number of Computer:

Block A	25
Block B	50
Block C	125
Block D	10

(a) Suggest the device which is used to connect all the nodes in particular block.

(i) Repeater (ii) Gateway

(iii) Bridge (iv) Switch

(b) Suggest the most suitable wire to connect all the blocks with high-speed data transfer.

(i) Ethernet Cable (ii) Twisted Pair

(iii) Optical Fibre (iv) Co-axial Cable

(c) The organization is planning to link its front office situated in the city in a hilly region where cable connection is not feasible, suggest an economic way to connect way to connect it with reasonably high speed.

(i) Satellite (ii) Radio Wave

(iii) Microwave (iv) Bluetooth

(d) Suggest the appropriate protocol/way to do the audio-video communication between the different parts of the world.

(i) E-Mail (ii) Blog

(iii) Chat (iv) VOIP

(e) What type of network would be formed if the Mangalore office is connected to their New York office?

(i) LAN (ii) PAN

(iii) MAN (iv) WAN

Software Development Company has set up its new center at Raipur for its office and web-based activities. It has 4 blocks of buildings named Block A, Block B, Block C, Block (d).

Block	Number of Computers
A	25
B	50
C	125
D	10

Shortest distances between various Blocks in meters:

Block A to Block B	60m
Block B to Block C	40m
Block C to Block A	30m
Block D to Block C	50m

(a) Suggest most suitable place to store server of this company.

(i) Block A (ii) Block B

(iii) Block C (iv) Block D

(b) Suggest the topology within the blocks.

(i) Bus (ii) Ring

(iii) Tree (iv) Star

(c) Suggest the placement of the Router in the network.

(i) Block A (ii) Block B

(iii) Block C (iv) Block D

(d) The company wants to design a website for its customers that can be changing the contents as per the responses of customers. What type of website can they design for this purpose?

(i) Static Website (ii) HTML website

(iii) Dynamic Website (iv) Blog

(e) What type of network would be formed if the Raipur office is connected to their New Delhi office?

(i) LAN (ii) PAN

(iii) MAN (iv) WAN