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What is motherboard ?  Or Short Note on motherboard. Answer:- 1)Motherboard specifically refers to a printed circuit board(PCB) with expansion capability and as the name suggests, this board is the "mother" of all components attached to it, which often include sound cards, video cards, network cards, hard drives, or other forms of persistent storage; TV tuner cards, cards providing extra USB or FireWire slots and a variety of other custom components . 2)It is the main circuit board in a computer. 3)A motherboard provides a way for hardware in a computer to communicate with each other. 4)The term mainboard is applied to devices with a single board and no additional expansions or capability, such as controlling boards in televisions, washing machines and other embedded systems. 5)An important component of a motherboard is the microprocessor's supporting chipset, which provides the supporting interfaces between the CPU and the various buses and external components. This c...

1. Find the smallest number which when diminished by 3,is exactly divisible by 21,28,36 and 45.   Answer:-   1263   2.If we multiply a fraction by itself and divide the product by its reciprocal , we get 1826/27. Find the original fraction. Answer :-   2  2                            3 3. By what least number must 21,600 be multiplied to make it a perfect cube? Answer :-  10 4.Solve   0.5 * 0.05 * 0.005 * 50 Answer:-  0.006250 5. The value of a machine depreciates at the rate 10% every year. It was purchased 3 years ago.If its present value is Rs 8,748 , find its purchase price. Answer :-  Rs 12,000 6. On a journey across Delhi , a taxi averages 30 kmph for 60% of the distance,20kmph for 20% of it and 10 kmph for the remainder. Find the average speed for the whole journey. Answer:-  20 km ...