The Search Engine Google Computer Science Essay


Google Inc is a transnational public cloud computer science, Internet hunt and advertisement engineerings corporation.A The company was founded byA Larry PageA andA Sergey Brin on September 1998.

It was listed by Alexa as the Internet ‘s most visited web site due to its popularity and legion merchandises and services, such as maps, intelligence, Google hunt, Google Chrome and Android. The merchandises and service that are traveling to be compared here are Google hunt with Yahoo! hunt, Gmail with Yahoo Mail, Google Chrome with Internet ExplorerGoogle Search is a web hunt engine developed by Google Inc. and is the most popular hunt engine on the Web. Google receives several hundred million questions each twenty-four hours through its assorted services. The chief intent of Google Search is to seek the texts in the web pages, as opposed to other informations, such as with Google Image Search. Google Search provides at least 22 particular characteristics beyond the original word-search capableness. These include equivalent word, conditions prognosiss, clip zones, stock quotation marks, maps, temblor informations, film beginnings, airdromes, place listings, and athleticss tonss.Yokel! Search is a web hunt engine developed by Yahoo! Inc.

At December 2009, it was the 2nd largest hunt engine on the web by question volume, at 6.29 % , merely after its rival Google which have volume of 85.35 % while Bing has merely volume of 3.27 % . Initially, Yahoo! Search acted as a web directory of other web sites. It is organized in a hierarchy, as opposed to a searchable index of pages. In the late 1990s, Yokel! evolved into a fully fledged portal with a hunt interface and, by 2007, a limited version of hunt.

Yahoo! Search, originally referred as Yokel! provided hunt interface, would direct questions to a searchable index of pages supplemented with its directory of sites. The consequences were presented to the user under the Yokel! trade name. Originally, none of the existent web creep and storage/retrieval of information was done by Yokel! itself. In 2001 the searchable index was powered by Inktomi and subsequently was powered by Google until 2004, when Yokel! Search became independent.Gmail is a free, advertising-supported webmail, POP3, and IMAP service provided by Google. Gmail was launched as an invitation-only beta release on April 1, 2004. It merely became available to the general populace on February 7, 2007, although it is still in beta position. On December 2009, it is found that 176 million people use it monthly.

On July 7, 2009, the service was upgraded from beta position along with the remainder of the Google Apps suite.With an initial storage capacity of 1 GB per user, Gmail significantly increase its storage capacity due to its competition with other company like Hotmail and Yahoo Mail. Gmail has a search-oriented interface and a “ conversation position ” similar to an Internet forum. Software developers know Gmail for its pioneering usage of the Ajax scheduling technique.Yokel! Mail ( simplified to Y! Mail ) is a free web mail service provided by Yokel! . It was started in 1997.

It is presently the largest web-based electronic mail service, followed closely by its rival Windows Live Hotmail. Nowadays, Yahoo! offers two versions of Yokel! Mail: an Outlook-like Ajax interface based upon codification the company acquired from oddpost in 2004, every bit good as the traditional full-page-scroll “ Yokel! Mail Classic, ” which continues the handiness of the simpler 1997-2006 interface for the trade name ‘s considerable installed base of users. In early 2008, Yahoo! started offering limitless mail storage even to its users, in response to heated competition in the free-web mail market section.

Google ChromeA is aA web browserA developed byA GoogleA that uses theA WebKitA layout engineA andA application model. It was foremost released as aA beta versionA forA Microsoft WindowsA on 2 September 2008 while the stable version was released on 11 December 2008. The name is derived from theA graphical user interfaceA frame, or “ chrome ” , of web browsers. As of July 2010, Chrome was found the 3rd most widely used browser, with 7.

16 % of worldwideA usage portion of web browsers, byA Net Applications.Windows Internet ExplorerA ( formerlyA Microsoft Internet Explorer ) , is a series ofA graphicalA web browsersA developed by MicrosoftA and included as portion of theA Microsoft WindowsA line ofA runing systemsA get downing in 1995. It has been theA most widely usedA web browser since 1999. It attained a extremum of approximately 95 % A usage shareA during 2002 and 2003 withA IE5A andA IE6. After its extremum, Internet Explorer ‘s usage portion decreased to 55 % due to the debut of other web browsers. OverA $ 100 million per twelvemonth on IEA in the late ninetiess by Microsoft, with over 1000 people working on it by 1999. The latest release isA Internet Explorer 8, which is available as a free update forA Windows XPA with Service Pack 2 or subsequently, A Windows Server 2003A with Service Pack 1 or subsequently, A Windows Vista, andA Windows Server 2008, and is included withA Windows 7A andA Windows Server 2008 R2.

Google Search and Yahoo Search

Many people will hold this experience: When opening the Google hunt web site, it significantly faster and the visual aspect is more clean. On the other manus, when opening the yokel hunt web site, the agreement of the web site seems to be more complicated and holding more content. We feel that Google provide the cognition that people want while yahoo lead people to rich and organized informations, supplying more information.

The diagram below shows the arrange difference of informations of Google hunt and yokel.The Merriam-Webster dictionary defines the two footings as follows:Cognition: a ( 1 ) : the fact or status of cognizing something with acquaintance gained through experience or association ( 2 ) : familiarity with or understanding of a scientific discipline, art, or technique B ( 1 ) : the fact or status of being cognizant of something ( 2 ) : the scope of one ‘s information or apprehensionInformation: a ( 1 ) : cognition obtained from probe, survey, or direction ( 2 ) : Intelligence, NEWS ( 3 ) : Fact, DATA B: the property inherent in and communicated by one of two or more alternate sequences or agreements of something ( as bases in DNA or binary figures in a computing machine plan ) that produce specific effects c ( 1 ) : a signal or character ( as in a communicating system or computing machine ) stand foring informations ( 2 ) : something ( as a message, experimental information, or a image ) which justifies alteration in a concept ( as a program or theory ) that represents physical or mental experience or another concept vitamin D: a quantitative step of the content of information ; specifically: a numerical measure that measures the uncertainness in the result of an experiment to be performedWe can non reason which hunt engine is better by finding their manner of supplying the information. We can merely state emphasize that Google hunt is supplying information obtained via probe, survey, informations, measuring and numerical measures while yahoo hunt is supplying cognition obtained via personal experience, association, consciousness and apprehension.We can non compare google hunt and yokel hunt straight since different people have their penchant. However, we are still able to compare them from the proficient positions. The tabular array below summarizes the characteristics of Google hunt and yahoo hunt.

Search EnginesGoogleYokelBoolean- , ORAND, OR, NOT,

( ) , –

DefaultandandProximityPhrasePhraseShortnessNo ( stems )word in phraseNoword in phraseWilliam claude dukenfieldsintitle, inurl, nexus, site, moreintitle, inurl, nexus, site, moreLimitsLanguage, filetype, day of the month, sphereLanguage, filetype, day of the month, sphereStopFew, + huntsNoScreeningRelevance, siteRelevance, site

Gmail and Yahoo Mail

Email is a service reassigning informations through the cyberspace. Nowadays, electronic mail is acquiring more and more popular because it is more efficient and cost less ( even free of charge ) than the traditional mail. It is rather hard to happen people who do non hold an electronic mail history. Sometimes, people have different electronic mail history for different intents.

For illustration, some is for official use and some is for private use. There are batch electronic mails services available with different characteristics with send and receive mail as a basic characteristic such as gmail, yahoo mail, hotmail, rocketmail and so on. Due to the competition, the companies keep adding a assortment of services like chew the fating besides upgrade its mail characteristic. The mail service that we are traveling to speak about is gmail, from Google and yahoo mail, from Yokel! . We will now compare them harmonizing to their chart characteristic, file organizing, contact storage, file fond regards, Spam booklets and professional credibleness.

Chat Feature

The confab characteristic is something like samariums ( short message service ) , which is available on the phone, but it works with the cyberspace and it is usually free of charge.

Both Gmail and Yahoo mail have this characteristic but they have it in different ways. For Yahoo Mail, they have a plan named Yahoo Messager for chew the fating. On the other manus, Gmail have this characteristic on their mail, no plan is needed but the user interface seems to be more complicated since many characteristic is available at one clip, unlike Yahoo Messager, which is merely for chew the fating.

File Forming

If you do non hold much mail, your will non see about it. However, it comes as a job if your mail is increasing, particularly when you are happening a specific mail.

When you are forming mails, you will happen that both of them enable you to form your mail harmonizing to the label. The little difference between them is Yahoo Mail Lashkar-e-Taiba you form your mails with limitless booklets whereas gmail is limited to merely four booklets.

Contact Storage

Sometimes we send email to people that is non in our contact.

The manner Gmail and Yahoo Mail pull off the new contact is different. Yahoo Mail will go forth the contact unless you add it while Gmail will automatically add it to your contact list. To some people, it is truly helpful.

File Attachment

File fond regard is an of import characteristic in electronic mail. Almost all of us have used it before to direct some file. It is rather convenience because we can merely hive away our file online if we do non hold our pendrive with us. Again, about all email supplier have this characteristic.

However, the file fond regard from Gmail and Yahoo Mail has some difference. For Gmail, we can attach the file on the page we write mail. For Yahoo Mail, we have to travel to the other page to attach file and it is merely limited to five files.

For those who would wish to attach more file, Gmail is extremely recommended.

Spam Folder

When we talk about Spam, we means having a batch same mail which contains advertizement, virus and other nexus. The figure of Spam is so high that erstwhile people will experience funny and unfastened it. So, the electronic mail supplier will travel the Spam mails into a specific booklet, which is called spam booklet.

Both Gmail and Yahoo Mail supply this map. However, it is frequently found that Yahoo Mail has higher alterations of acquiring the Spam into the mail booklet, which make it raging.

Professional Credibility

The free electronic mail service provided merely is ever for the private user. If we need the electronic mail for professional intents, which causes us to have a immense sum of mails, we need to pay excess money.

However, gmail has added a new map leting you to put up an history with your sphere name late. So, it is besides a good pick for professional utilizations and it can besides salvage costs.Gmail Yahoo Mail

Google Chrome and Internet Explorer

Internet browser is one of the most of import package in our computing machines. This is because it is our tract to internet, a rich sum of assorted beginnings. Decidedly, many people who have browsed the cyberspace had used the cyberspace browser. Nowadays, there are many sorts of cyberspace browser such as Google Chrome, Internet Explorer, Opera and Safari.

Each of them have their specialisation, such as velocity and more map. The cyberspace browser that we are traveling to touch is Google Chrome and Internet Explorer.Since there are excessively much cyberspace browser, people ever try to happen the best 1. An cyberspace browser research is carried out late. Many browsers have been tested but we are traveling to concentrate on the Google Chrome and Internet Explorer.

The version of the Google Chrome and Internet Explorer are and 7.0.5730.13 severally.

All browsers are tested on same machine Athlon 3800 64bit, Gigabyte M55S-S3 mainboard and 2 GB DDR2 random-access memory and Windows XP with SP2.The a batch of trial but we focus on the basic trial includes cold start trial, warm start trial, javascript velocity trial, memory usage trial and apparatus size.

Cold Start Test

Cold start trial is a trial that measures the mean clip needed for each of the browsers to get down up after the window has finished lading.

The consequence for Google Chrome and Internet Explorer are 1.6 and 3.8 seconds severally. The cold start velocity of the former is significantly faster than the later.

Warm Start Test

Warm start trial is a trial that measures the mean clip needed for each of the browsers to get down up after bend it off without logging out or altering user of Windowss.

The consequence for Google Chrome and Internet Explorer are 0.5 and 0.6 seconds severally.

The consequences are rather near.

Javascript Speed Test

Javascript trial is a trial that measures the mean clip for the javascript to burden. The trial is being carried out at hypertext transfer protocol: // . The consequence for Google Chrome and Internet Explorer are 246 and 1031 seconds severally.

The velocity of the former is approximately four times faster than the later.

Momory Trial

If the memory used by a plan is high, it will impact the map the efficiency of the whole system. So, it is better for a browser to run at low memory. The consequence for Google Chrome and Internet Explorer are 42 and 21 MB severally.

Setup Size

This might be the most unimportant trial.

It compares the size of the apparatus of the browsers. However, in those yearss when cyberspace connexions are really slow, this might be taken into consideration. The setup size of Google Chrome and Internet Explorer are 8.43 and 14.7 MB severally.Below table summarizes the informations:Google Chrome 1.0.154.

36Internet Explorer 7.0.5730.13Cold Start Test ( s )1.63.8Warm Start Test ( s )0.50.6Javescript Test ( s )2461031Memory Test ( MB )4221Setup Test ( MB )8.



Google hunt is supplying information obtained via probe, survey, informations, measuring and numerical measures while Yahoo hunt is supplying cognition obtained via personal experience, association, consciousness and apprehension. As for me, I prefer utilizing Google hunt because of its simple user interface and efficiency in term of happening the exact information.There are a batch characteristics should be considered but we compare merely the chart characteristic, file organizing, contact storage, file fond regards, Spam booklets and professional credibleness of the browsers. Gmail has advantage on contact storage, file storage, forming Spam booklets and professional credibleness while Yahoo Mail has advantage on chart characteristic and file forming. Personally, I think Gmail is better because it have less spam mails when I use it. This saves me a batch of job when I need to happen a mail.As shown before, basic trial of Google Chrome and Internet Explorer such as cold start trial, warm start trial, javascript velocity trial, memory usage trial and apparatus size.

Google acquire better mark on every trial except memory trial. Google Chrome is a really immature browser but it seems to be faster than other browsers. That is the ground why I choose Google Chrome.