This blog is about overall concept of computer science. In this blog we can provide full information related with computer & latest technology. We can also provide programming language such as c, c++, java, html, css, php, qbasic, c#, etc. . In this blog we can provide every subject notes for IT students related with computer. We can solve every problem related with technologies(software and hardware).

Protect from corona.

Were your mask converting the nose, your mouth and your chin.and Ensure there are no gaps between the mask and your face. (WHO)

Welcome to this blog.

In this blog we can provide theoritical and pratical knowledge based on computer science and IT sectors.

What is Education>

Education means knowledge, values, skills, critical thinking, problem solving and creativity.

What is computer science?

The difinition of computer science is a branch of engineering science that studies the technilogy and the principle of computer.

What is e-learning?

E-learning refers to the use of Internet Technology to deliver and enhance knowledge, skills and know-how. OR It is new approach to learning where the learner has control over what, when, and where he/she learns.

Saturday, May 29, 2021

How to Create the Best Facebook Page ?

 

Facebook: How to Create the Best Facebook Page

By Basant Jaishi

How to Create the Best Facebook Page ?

Introduction of facebook

As mentioned on https://www.britannica.com/topic/Facebook by Mark Hall, Facebook began at Harvard University in 2003 as Facemash, an online service for students to judge the attractiveness of their fellow students. Because the primary developer, Zuckerberg, violated university policy in acquiring resources for the service, it was shut down after two days. Despite its mayflylike existence, 450 people (who voted 22,000 times) flocked to Facemash. That success prompted Zuckerberg to register the URL http://www.thefacebook.com in January 2004. He then created a new social network at that address with fellow students Saverin, Moskovitz, and Hughes.

It is widely known that Facebook was founded by in 2004 by Mark Zuckerberg, Eduardo Saverin, Dustin Moskovitz and Chris Hughes, all of whom were students at Harvard University. In beginning phase, the Facebook (American company) offered for online social networking services. Nearly two decades later, Facebook has changed dramatically and become one of the largest social network (platform) in the world having five billions active users. Despite deleting one million accounts per day, more than half of that number is using Facebook every day. As this consequence, this is available as biggest mass holding network/social media of the world. The headquarters of Facebook are in Menlo Park, California, USA. Therefore, the Facebook is increasing its expansion in Nepal also due to well user policy, good governance, user friendly accessibility and attractive features. However; this article mainly deals with possible confusions regarding Facebook page and its creation as well as complete set up.

Facebook page: short introduction

Facebook page is quite different but an additional part of facebook user. There are many similarities between a facebook page and personal facebook profile. But the Facebook page cannot create without existence of personal facebook profile. Likewise, other remarkable differences are timeline, names, nature and role of wishes, etc are totally unmatched to each of them. After creating a normal profile which is also known as individual profile, everyone has interest to grow good wishes. So facebook page was born to fulfill this necessity. In facebook page, there is no boundary to accept and add friends but a personal facebook user’s profile can only make up to 5000 friends in his/her account. So popularity of the facebook has quickly incremented in audiences/users. Here, process of facebook page set up has been listed in simple language. Let’s follow the steps of a facebook page creation with correct comprehension.

  • Steps of perfect facebook page creation 

1. Planning: make a competitive sketch regarding facebook page. In this step, please carefully think that your facebook page’s objective, its audiences, contents and its name and description. It is also remembered to all readers that if you have planning to create facebook page, please collect and make a perfect photo for your facebook page profile which is just like personal profile. You would better well picture for cover photo, called logo of page. After facing and completing these things, maintain all necessary requirement to run internet very well and follow the given steps of below.

2. Name: To create facebook page, go to your facebook’s page option and press create option. To go ahead, there should be a name of the page as like as a personal account. Name of facebook page allows symbols and letters. But it may reject dual language, slogans of any sensitive group and other violation. So consider these terms before starting the process. A facebook page should have at least five characters and maximum 75 characters in its name. Eg, Surkhet Campus Karnali Province computer science student group SCKPCSG and A 1 Np.

3. Select Category: After selecting name, everyone must pick up at least one and maximum three categories about the facebook page’s content/services. For example, if a company is related to radio station, its perfect category is newspaper/news/media Company. So finalize the contents to be published on your page and determine from given list or search to get fast.

4. Description of the page: Description refers to what about yours page is. So please carefully manage a brief but completely informative shortest summery of page’s services. Moreover, precise information of the page is written on this section which should not more than 255 characters. We do not recommend hard and fast regarding this. However; following information are specifically included on description of the page–

a. Your Company Story. Tell how you got started and what makes you different from your competition.

b. What you do or what you sell.

c. Contact information.

d. Links to other social profiles.

5. Cover photo and profile picture: After creating name and description, select a catchy image from your computer/mobile gallery and upload it as profile photo. Do not forget to add very attractive cover photo/logo of page like profile photo process and press done button. You might have photo if you followed first step. You can instantly manage it by using various apps for photo designing.

6. Location: In location, proper geographical address of page’s basic service/admin city is added. Likewise, street address, ZIP code and name of country can also be given.

7. Additional location: This is optional part in facebook page. This section has facility to add up to 10 service areas. This means you are giving services on these added places. So do not mention irrelevant places in this field.

8. Username: Username starts from at (@) sign which gives easy access to its interested people via search engine and overall page to mention. Generally, the username is created after page creation process completion. It is helpful tool of the page. A facebook page’s user name contains minimum six characters by starting @ sign from and maximum limit of username is 50 characters. For example, @Nepal is short username of the facebook page which is linked on facebook as https://facebook.com/Nepal however; username must have characters without spaces.

9. Add a button on page: Page makes its visitors to more informative after reaching its inside. So creator of page would better to manage ways of contacting to visitors/audience as facebook page categories. If you want to show your video first, please select “watch now” option from select button. Manually you can select follow, call, use app, book now, watch now, shop now, learn more and email, etc button. But more than one button cannot activate within single time.

10. Templates and Tabs: Templates is always on standard. So you would not obligation to manage it in initial step. Later, you can change it as your desire. Tabs are categories of our facebook page’s post. In this way, the tabs stand for menu of a site. On the other hand, tab is menu which is appears on page by default. Order of the tabs can be changed as per choice.  Home, video, photos, post, community and about are main tabs of facebook page. These tabs can be easily reordered from facebook page setting (more option).

11. Contact: As “contact us” on website, the contact option of facebook page works like this. To communicate your users/customers, Creator Company can give its telephone number to call directly. Meanwhile, e-mail address, links of social media (YouTube, twitter, and instagram) are also inserted to make easier. But this is an optional field. So page admin may or may not accept and complete this place.

12. Service hours: Service hour is also called business hour of the page. Generally, service hour means when the page opens and when it is closed. If page is created to information and serve about public, it has no certain hours to define. So there is always open option to use. In service hours, there are many options to choose but only one is allowed to set up/check. In short, these options are mentioned here.

a.       Always open: Always open understands that your page is for service of public which are not closed in any condition and no provision of holiday. Furthermore, your page relates to public place (street, park.

b.      No hours: If no hour is checked, hour option removes from your page; visitors do not see hours in page.

c.       Permanently closed: if you want to notify your customers that giving services through this page, if page is going to closed forever, this option is useful. However; this is not longer necessary due to having page delete option on page also. So you may delete the page or set permanently closed option from service hour.

d.      Open on selective hours: This option is very useful for official pages. In this option, everyone can define own hours when the services open and close. Eg, banking hours are defined from 10:00 to 17:00 except public holiday and Saturday; hotels are opened from 6:00 to 23:00 of the day. When this option is ticked, you can easily input own hours and select which day you want to show opened it as your page.

13. Temporary service changes: Facebook has introduced temporary change service option. This is result of Corona virus. If service page has made new schedule to its audience/customers, this is another way to serve as capacity. Mainly, temporary service change facilitates the following thing to choose.

a.       Temporarily closed: If the services are previously run and will soon but not opened now, temporarily closed mark is best. Certain shop, tracking, etc are such in categories.

b.      Operating as usual: Operating as usual refers to no impacts regarding current changes of environment. No changes in the page business are operating as usual.

14. Privacy policy: In the context of Nepal, facebook page has not been controlled by authority and law. Impressum, legal actions are described in this field. This might be different according to rule of countries. This option clearly shows that page is either conducting under country’s regulation or freedom to users. This field has space to describe your actions/legal terms within limit of 2000 characters.

15. Price: This is for business page and paid page. In these his option, not applicable is mostly suitable for beginner. Other things of the price are $ (Cheap), $$ (Moderate), $$$ (Expensive), $$$$ (Splurge) and Unspecified/not specified (not applicable).

16. Additional information: This is large field which looks like a post creation box where we can write up to 50,000 characters. All things are not possible to express on description. Some important things which to be dropped on additional information section of page. So it is information of your page which optionally allows adding almost related information of the page.

17. Product: Product option offers to list your services/products within 2000 characters limitation. As its nature, ambiguities terms and notices can be well explained under this category as phrases. The description provides only nearly 255 characters but product option facilitates up to 900% more.

18. QR code: QR code, quick response code is an auto generated code which helps to get your page by scanning through mobile. So this code is useful to share for audience/followers growing. On the other sense, it is good instead of typing long name and correct words on search bar. So download generated code of the page and send it to friends. Invite option has to be also equally used to gain good wishes on page.

19. Other account: Blogger may have social media profile such as twitter, instagram, etc. to link these profiles on blog; other account is beneficial for all. Linked profiles are also removable by clicking on remove button which is located at just below of add button.

20. Action: Whatever page admin wants to do in his/her page, every action is available in there. When we click on action button of the facebook page, we get live, like, follow, invite, create page, etc. for instance, if an admin is going to start/host live, he/she click on his page, then go to action option and press live button.

21. Actor selector: Through this option, a page admin change his/her role; either interacting as page admin or as normal visitor of page. This means how to interact on page’s activities (me or page’s name).

22. Post: Post is vital substance for every page and account also. Final aim is post into page. Post may shorter and longer as it’s lengthy. Whatever is written to express our ideas on social media, these are called post. Facebook status is also post. But everywhere has boundaries to utilize and expand our numbers of characters. In the case of Facebook profile post and page post, there is same rule to write regarding post limitation. As posting this article, user of page and normal facebook profile can create post 63,206 characters. But comment post should not written 8,000 characters.

Anything else which is written on page’s wall is known as post. Publish creating post in your page after considering and creating a successful facebook page! Welcome post, experience post regarding getting facebook page, etc might be yours first post in the created page.

23. Auto response message setting: Auto response messages allow sending customized message. If you want to greet and welcome to your visitor automatically, default message are need to be set up on your page. This message help to interact you though your accessibility may suffer on visitor’s time. In message setting, there are three fruitful options to response as immediate inform to page visitors; namely instant reply, FAQ and away reply which are briefly explained below.

a. Instant reply: this means your facebook page sends or response while you are in active session; if visitor sends message through ‘send message button’, page greets or send instant message which is scheduled previously. I.e. if a man press on send message and writes “hi”, facebook page automatically responses “your settled message on instant reply”. Welcome in our page, thanks for visiting how can we help you? Are better to send in such time.

b. Away reply: Away reply is just like instant reply. Despite same nature in message delivery facility, instant message option does not work if page admin is not in online access. But away reply works as reply message of e-mail delivery system in Gmail. So away reply interact with your page visitors though you may have no access to run page. For away reply option, message has not kept same as instant reply. Some of the examples of away reply message are “thanks for visiting our page! Sorry we are unable to process your request at the moment; please try later, Good afternoon! We are not reachable to service delivery now. So get back soon”.

c. FAQ: FAC, frequently asked questions and answers are summarized and put on the FAQ section which helps to know about your page’s service, company’s brands and other possible things. Mostly, internet service providers and online goods marketers are offering FAQ as compulsory space on their site, blog and facebook pages.

24. Permission to follower: Except sensitive media, all things are better to permit for widely distribution of your contents. Permission is indicator of liberty and democracy reflection. So we have to allow message, call, sharing of the story of page, post sharing, sending e-mail and other interested facilities to join with them.

25. Page role: single person does not have capability to handle all duties. Sometime it is impossible due to pending work pressure and scarcity of time. In facebook page setting, page role button is there to manage your page controller. Through this facility, one page can be controlled and tracked by multiple admins, advisers and moderators. So after completing these all steps, please do not forget to invite and appoint at least one admin/moderator to expand and well manage the page. Admin can be removed and replaced instantly by the admin also.

 

Thanks for reading this longer article about facebook creation! We always appreciate your invaluable feedbacks and suggestions as our further guide. So, do not hesitate to drop your words on comment box.

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Monday, May 24, 2021

What is cloud computing? List its advantages and disadvantages.

What is cloud computing?

Definitions of cloud computing:

Cloud computing, often referred to as simply "the cloud" is the delivery of on-demand computing resources everything from applications to data centers over the internet on a pay-for-use.

Cloud computing is typically defined as a type of computing that relies on sharing computing resources rather than having local servers or personal devices to handle applications.

 

cloud computing

Advantages of cloud computing:

  •  Environment friendly
  •  Backup and recovery
  •  Rapid development
  •  more flexible Infinite storage
  •  Improve performance
  •  Lower software cost
  •  Fewer maintenance issue
  •  Instant software update
  •  Increased data safety

Disadvantages of cloud computing:

  •  Internet Connectivity
  •  Lower Bandwidth
  •  Lack of support
  •  Security issue
  •  Internet-dependent
  •  Migration challenges
  •  Fixed contracts 

cloud computing


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Sunday, May 23, 2021

What is Language Translator? Define its types.

 

What is Language Translator?

Language translator is one kinds of software which is used to convert human understandable language into machine understandable language. Each programming language used one language translator. There are three different types of language translator they are:

1.       1..Assembler:

An assembler is a translator that converts code of assembly language into machine language. The resulting program can be executed only when the assembly process is completed. In assembly language computer has to run the assembler, first it translated the assembly language(source code) into its equivalent machine language(object code), and then execute the object code to get result.


2. Compiler:

A compiler is a translator which translates a high level language(source code) into machine level language at once. This is faster for translating program but complex for debugging. In compiler, syntax error is detected after the compilation of complete program. This complete translation process is called compilation.

3. Interpreter:

An interpreter is a translator which translates high level language into a machine level language, one line at a time and executes line of the program after it has been translated. Since, the interpreter needs to evaluate the program letter by , then word by word , and then line by line, its speed is incredibly slow. In interpreter , syntax errors can be trapped before translation of every line.

 

-Difference between compiler and interpreter :


Compiler

Interpreter

It convert whole program in high level language into machine understandable language at once.

It convert high level language into machine level language at step by step and line by line.

The executable program is stored in a disk for future use or to run it in another computer.

The executable program is generated in RAM and the interpreter is required for each run of the program.

Compiler process is faster than interpreter.

It is slower than compiler.

It finds out error after compiling the whole program.

It finds out error at step by step.

C,C++, c# etc are used in compiler.

BASIC,QBASIC etc are used in interpreter.

 

 

 

 

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Saturday, May 22, 2021

How to download any video from facebook

 

How to download any video from facebook

आजको यो एक्काईसौ शताब्दि भनको प्रविधीको युग हो । विश्वमा दिनानुदिन तिब्ररुपमा टेक्नोलोजिको विकास भैरहेको छ । हामिहरुले नि समयको परिवर्तन सँगै आफ्नो यात्रा अगाडि बढाउनका लागि बिभिन्न किसिमका सामाजिक संजालहरुको प्रयोग गर्दै आइरहेका छौ ।


फरक फरक प्रयोजनकालागि छुट्टा छुटै प्रविधीको बिकास गरिएता पनी हाल आएर प्रबिधीले यस्तो फड्को मार्न सफलभयो कि सप्पुर्ण विश्वलाई नै एउटा घरमा सिमित भएको छ । हामीहरुलेसामान्यतया सामाजिक अन्तरक्रिया गर्नका लागि प्रयोग भैरहेको फेसबुक पनि हाल विश्वको टव १० सामाजिक सँजालमा पर्ने गर्दछ, फेसबुकमा रहेका बिशेषताले मानिसहरुलाई आकषर््िात गरिरहेको छ ।



यस्ता बिभिन्न बिशेषताहरु मध्य भिडियो पनी एक हो । हामीले युटुबमा हेर्ने जुनसुकै भिडियो लाई अहिले फेसबुकमा हेर्ने गर्छौ त्यस्ता भिडियोहरुलाई मनपरको खण्डमा डाउनलोड गरेर आफ्नो मेमोरीमा शेभ गर्नका लासग कुनै त्यस्ता सुबिधा रहेको छैन । यस्तो समस्या समधानका लागि हामिले बिभिन्न किसिमका टेक्निकहरुको प्रयोग गर्नु पर्ने हुन्छ जसकालागि तलको लिङक वा भिडियालाई हेर्नुहोस । 


अन्तमा भिडियो हेरिसकेपछि कस्तो लाग्छ आफ्नो प्रतिक्रिया दिन नभुल्नु होला धन्यबाद ।।

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Tuesday, May 18, 2021

History of Computer in Nepal


The history of computer in Nepal dates back to 2028, when a second generation IBM 1401 computer, was initially hired on rent by The Government of Nepal, paying RS. one lakh twenty five thousand per month to use in the census of that year. IBM 1401 took 1 year, 7 months and 15 days to process 1 crore and 12,5 lakhs population, After the completion of this work, discussion had taken place whether to send it back or use and continue it for the continuous processing and proper use of the computer in Bureau Statics.

History of computer in Nepal


 Later, this computer was purchased by the government for further data processing in Bureau of Statistics, As, it became necessary to operate the computer continuously, the Electronic Data Processing 

Center was set in 2031 to operate the computer, which was later renamed as " national Computer Center" (NCC). Another British model computer called ICL 2950/10 was purchased for the census of 2038 B.S. It was funded by UNDP and UNFA at two million American dollars. The census of 2038 was completed within a year and quarter with the help of this computer.



 Micro computer such as Apple, Sirus and Vector were introduced in Kathmandu for the first time in B.S 2039(1983).The computers such as Computer Consultancy (CC), Management Information Processing System(MIBNS), and Data System International (DSI) were established.


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