Textbook of Grade 9

 9 English

9 Computer

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All English Writing for All level Students

1. Letter to the editor: Khairahani-4 Chainpur, Chitwan 14th January, 2016 To The Editor in Chief The Kathmandu Post Kathmandu, Nepal Subject: About the problem of water supply in my loca area. Dear Sir, I shall feel highly obliged and favored if the following lines are published in your esteemed daily newspaper under the column "Letter to the Editor". The name of my village is Chainpur. It lies in the eastern part of Chitwan district. There are so many problems in my locality. One of them is the problem of water supply. In my area the water supply has been cut, officially, by 50 percent. This has caused a lot of inconvenience. It is dry season and people need more water for drinking, bathing and even for sprinkling. Many of the people have to go out without a bath daily. They cannot get water for washing their clothes. As a result of it, life has become miserable. People stand in queues waiting for water. For the people who go to the offices, it has become qu...
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10 computer notes

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  A computer network is a group of two or more computers and devices that are connected to share data, resources, and messages. Mobile networks like 4G LTE (Long Term Evolution) and 5G make the Internet faster and more reliable. 4G LTE gives better speed for video calls, online classes, and downloading. 5G is even faster, Telecommunication means sending and receiving information overlong distances with the help of electronic devices. These devices include telephones, mobile phones, radios, televisions, and computers. To make this communication possible, different devices are connectedtogether.Thisconnection is called a network . Broadband i s a high-speed Internet connection that allows you to send and receive a large amount of data quickly. It is much faster than the old dial-up Internet used inthepast. Therearedifferenttypesofbroadbandconnections,such as: i.         DSL(Digital SubscriberLine) –uses telephone lines. ii.    ...
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9 computer note

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Define algorithm. = Algorithm is a set of finite, well-defined steps or instructions designed to solve a problem or perform a computation. An algorithm is a step-by-step problem solving procedure. The first commercially available language was FORTRAN (FORMULA Translation),developed in 1956 A programming language is a language consisting of a set of instructions provided by the user that tells a computer what task to do and how to do it. Python, Java, PHP, C++, etc. are some examples of popular programming languages. Programming: It is the process of providing detailed instructions to a computer step by step to do specific tasks. Programmer: A programmer is a person who is involved in writing computer programs.   Syntax: The rule for writing commands is called syntax. High-level languages are programming languages that are  used for writing programs or software  that can be understood by humans and computers.  Programs written in high-level languages ...
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