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A mouse is a pointing input device attached to the computer with a long wire. It looks like a real mouse with a long tail and moves quickly on the screen. Mouse is use to point and select items on the computer screen. TYPES  OF A MOUSE- Computer mouse can be of different types.   1.Two-button Mouse _ It is a mouse with two-buttons_ left button and right button. 2.Three-button Mouse - It's a mouse with three buttons- left button,  middle button and right button . 3.Scroll Mouse - It is a mouse with left button, right button and a scroll wheel in the middle. We can move up and down a page by moving this wheel. 4.Ball Mouse- When we turn the ball mouse upside down, we find a ball a ball inside it. It allows to move in all directions easily. 5.Optical Mouse- The optical mouse has a red light under it.The optical mouse is better than the ball mouse. Mousepad- The proper way to place the mouse is on a mousepad.Just as we sit on chair, there is a s...

Today's computers come in many shapes and sizes. Here You can see main types of computer. Desktop  Computer - Many people use desktop computers at work, home and school. Desktop computers are designed to be placed on a desk, and they are typically made up of a few different parts ,including the CPU box, monitor, keyboard, and mouse.  Laptop Computer - The second type of computer you may be familiar with is a personal computer, commonly called a laptop. Laptops are battery-powered computers that are more portable than desktops, allowing you to use them almost anywhere. Tablet Computers- Tablet computer or tablets are handheld computers that are even more portable than laptops. Instead of a keyboard and mouse, tablets use a touch-sensitive screen for typing and navigation. The iPad is an example of a tablet.  Server- A server is a computer that serves up information to other computers on a network .For example, whenever you use the intern...

What is Computer - The computer is an electronic device that is used to store the data according to the given instructions, resulting in quick and accurate results. Computers can be used to solve money, watch movies, listen to songs, play games, paint and colorful pictures. The word comes from the word word, 'compute' which means to calculate CHARACTERISTICS OF A COMPUTER - Computer characteristics have made them so powerful and universally useful. Let's briefly discuss them. SPEED  - A powerful computer is capable of directing approximately 3-4 million simple seconds per second. Accuracy-  Computers are also accurate. Errors that can be almost always can be attributed to human errors (incorrect data, poorly designed systems or defective instructions / programs written by programmers). Diligence - Unlike removing humans, computers are very consistent. They are not suffering from human properties of boredom and exhaustion, resulting in lack of concentrat...

What is computer in Hindi -  कंप्यूटर एक इलेक्ट्रॉनिक डिवाइस है जिसका उपयोग डेटा को स्टोर करने के लिए किया जाता है, दिए गए निर्देशों के अनुसार यह परिणाम जल्दी और सटीक परिणाम देता है। कंप्यूटर का इस्तेमाल रकम को हल करने, फिल्में देखने, गाने सुनने, गेम खेलने, ड्रा और रंगीन चित्रों के लिए किया जा सकता है। शब्द कंप्यूटर गणना शब्द से आया है जिसका अर्थ गणना करना है। एक कंप्यूटर की विशेषताएं - कंप्यूटर की विशेषताओं ने उन्हें इतना शक्तिशाली और सार्वभौमिक रूप से उपयोगी बना दिया है। आइए उनको संक्षेप में चर्चा करें। Speed  -कंप्यूटर अविश्वसनीय गति से काम करते हैं। एक शक्तिशाली कंप्यूटर प्रति सेकंड लगभग 3-4 मिलियन सरल निर्देश करने में सक्षम है।  Accuracy (शुद्धता) - तेजी से होने के अलावा सटीकता, कंप्यूटर भी सटीक हैं। त्रुटियां जो हो सकती हैं लगभग हमेशा मानव त्रुटियों (गलत डेटा, खराब डिजाइन किए गए सिस्टम या प्रोग्रामर द्वारा लिखे गए दोषपूर्ण निर्देश / प्रोग्राम) के लिए जिम्मेदार ठहराया जा  सकता है। Diligence(लगन) -   मानव के विपरीत, कंप्...

Hello dosto aaj se yaha se aap 12th class  ka model paper download kar sakte hai. Jo ki Bihar board dwara jari kia gaya hai. Thanks for,  visiting here for downloading Biharboard 12th class model paper click below http://biharboardonline.bihar.gov.in/model-question-papers-ss