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CLASS 4//SUBJECT-COMPUTER/LESSON 3/COMPUTER MEMORY AND STORAGE DEVICES

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  LESSON 3 COMPUTER MEMORY AND STORAGE DEVICES   1.     How is a DVD different from a CD? DVD is similar to CD in shape and size, but it can store a huge amount of information. The storage capacity varies from 4.1 GB to 17 GB.   2.     Distinguish between RAM and ROM? RAM is the working memory of a computer system. RAM is a temporary memory. When we turn off the computer, the RAM loses all the data. ROM is known as permanent memory and cannot ordinarily be changed. It contains instructions and programs for computer operation. The content of ROM does not get lost when the computer is turned off.   3.     What do you understand by computer’s memory? The memory of a computer is broadly divided into two parts. They are primary memory and secondary memory. Primary memory can be divided into three parts. RAM, ROM and Hard disk. Secondary memory storage devices are CD/DVD and Pen Drive.   4.     Write a short note on hard disk. It is the main storage medium for compu
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CLASS 4/SUBJECT COMPUTER/LESSON 2

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  LESSON 2 COMPUTER AND ITS FUNCTIONS I.                DIFFERENTIATE BETWEEN THE FOLLOWING: 1.      Hardware and software Hardware : Physical components of a computer that we can see, touch and feel are called the hardware Software : is a collection of computer programs, procedures and documentation that performs some tasks on a computer system. 2.      Input devices and output devices Input devices are those which are used to enter data and information into a computer. Output devices are those which the computer uses to display the information and results. 3.      Printer and scanner Printer gives printouts of our work on paper. Scanner is an output device that converts paper image into digital or electronic images and then flashes them on the monitor. 4.      Touchpad and touchscreen Touch pad is a touch sensitive pad used instead of a mouse on the laptop computers. Touch screen is a screen through which data can be entered by just touching it with a
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CLASS - 6 // SUBJECT - ENGLISH (SUPPLIMENTARY READER) // LESSON – 4 // TANSEN //

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  LESSON – 4 Tansen 1.       Why did Swami Haridas say Tansen was ‘talented’? Tansen knew how to copy the calls of birds and animals. One day, he roared like a tiger and frightened the travellers. Swami Haridas was impressed by his skills and called him ‘talented’. 2.       Why did Akbar ask Tansen to join his court? Tansen was a famous singer. Sometimes, he sang before Emperor Akbar. Akbar was very impressed with his singing and asked Tansen to join his court. 3.       How do we know that Akbar was fond of Tansen? Give two reasons. Tansen became the favourite of Akbar. He would request Tansen to sing at any time during the day or night. Akbar would walk into Tansen’s house to hear his practice. He gave Tansen many presents. 4.       What did the other courtiers feel about Tansen? The other courtiers were jealous of Tansen’s popularity. They wanted to ruin Tansen and could do anything to achieve this. 5.       What happen if Raga Deepak is sung properly? If Raga De
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