Introduction to computer
unit 1: Introduction to computer The term 'computer' is derived from the Latin word 'COMPUTARE' which means to calculate. There are two types of personal computers. a. Desktop computer b. Laptop computer
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Computer note for kids
unit-2 Learning the computer 1. What is a computer? = A computer is an electronic machine that takes input, processes the input, and gives us meaningful information. 2. Who is called a computer programmer? = A person who develops a program is called a computer programmer. 3.Write the advantages of the computer. = The advantages of the computer are a. it can work at very high speed. b. it does not make any mistake. c. it can perform several tasks. d. it can store a large amount of data and information. e.it can work continuously for a long time without taking any rest. 4. Write the disadvantages of the computer. = The disadvantages of the computer are a. it has no feeling. b. it depends upon electricity. c. it is unable to correct wrong input. d. it can not take the decision itself. e. it is an expensive machine so everyone cannot afford it. f. it requires a trained person to a handle. g. it has no learning power. 5. Name any three units of a computer. = The three units of the com...
Computer Note
1. which was the first calculating device in the world? = Abacus was the first calculating device in the world. 2. who invented the computer? = The computer was invented by Charles Babbage. 3. what is a computer? = A computer is an electronic machine that takes input, processes the input, and gives us the output. or = A computer is a smart machine that accepts the data and instruction as an input, processes the input, gives the result ( output ), and stores it for future use. 4. what is an input? = Any data and instruction are given to a computer for processing that is called an input. 5. what is processing? = When a computer works on input that is called processing. 6. which part ( component ) of the computer does processing? = The processing is done by the CPU ( central processing unit ) part of the computer. 7. what is the output? = A computer gives results after processing that is called output. 8. what is the basic working principle of all computers? = IPO ( inp...
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