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Storage Device

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                                                  Chapter 3            Lesson Overview Human beings store the information in their mind (memory of humans). Likewise, computer store information in its primary and secondary memory (memory of computer). They both can recognize it in the time of need. The physical parts of a computer that stores information and data either permanently or temporarily are called storage devices. They are classified as removable and non-removable storage devices. Computer memory is divided in to two parts. They are: 1.    Primary Memory 2.    Secondary Memory Primary Memory The memory that stores both processed and unprocessed data, program and instructions is known as primary memory. It is necessary for a computer to work. It is the main area where the data is stored. It operates at a very high speed. The stored data can
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Computer System

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                                                                  CHAPTER 1                                                                             Introduction to Computer System   Computer Overview Computers are being used in our daily lives. Millions of computers are being used in all areas of modern age . All the computers are being more advanced. They are used to process the data quickly and accurately. They are being used in almost all difficult works due to their accuracy, speed, and reliability. If all the computers in the world stopped working, there would be disaster in the world.   A computer is an electronic machine. It helps to enter data, process it, store it and produce meaningful information. It carries out calculations and other processes by following a set of instructions, called program. The brain of the computer called CPU (C
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Birgunj, Nepal

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  Introduction to Birgunj Birgunj  is a metropolitan city in  Parsa District  in  Province No. 2  of southern Nepal. It lies 135 km (84 mi) south of the capital  Kathmandu , attached in the north to  Raxaul  in the border of the Indian  state  of  Bihar .  As an entry point to Nepal from  Patna  and  Kolkata , Birgunj is known as the " Gateway to Nepal ". It is also called " Commercial capital of Nepal ". The town has significant economic importance for Nepal as most of the trade with India is via Birgunj and the Indian town of  Raxaul .  Tribhuvan Highway   links Birgunj to Nepal's capital,  Kathmandu . Birgunj was one of the first three municipalities formed during the rule of Prime Minister  Mohan Shumsher Jang Bahadur Rana . It was declared a  Metropolitan City  on 8 Jestha 2074 (22 May 2017) along with  Biratnagar  and  Pokhara . Birgunj is one of the largest city in Nepal and largest in Province no. 2. Birgunj is the sixth most populated  metropolis  of t
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Top tricky MCQ science questions.

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Top tricky science question. There are about 26 questions mostly about Physics. These questions are only for practice. The students of Class 6,7,8 and 9 and other classes can also try to attempt these questions. If you can attempt at least 20 questions correctly then you are also one of the intelligent students or people in Physics. Best of Luck                                 Jay Science Jay Nepal😂😂😂😂  (Making You Mind Fresh and Active) 1.Who is known as the father of science?                i.  Galileo Galilei                ii. Albert Einstein               iii. Charles Babbage               iv. A.R @ R.R     2.Convert 5×10⁵kg/m³ into g/cm³                   i. 50                   ii. 5                   iii. 500                   iv 5000     3.A ball dropped from a certain height strikes the ground in 5 seconds? Calculate the height in meters                   i. 12.25                   ii. 122.5                   iii. 24.5                   iv. 245     4.Calculate the distanc
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Input and Output Device

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                                                       CHAPTER 2                 Lesson Overview The device through which a user gives instruction to the computer to perform task is known as input devices. The devices from which computer receive input is called input device. Example: - Mouse, Trackball, Keyboard, Light pen, etc. The functions of input devices are:- i.                   It takes data instruction from the user, ii.               It converts high level languages into machine level languages. iii.            It sends the data and instruction to the CPU. Some of the input devices are:                                     Mouse is a small palm- sized pointing device used for giving command for performing task. It can be moved in any plain surface. It can be moved in any direction. It contains two buttons and a wheel to scroll by
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