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q what is drawbacks of cd- romdrawbacks of cd- rom are as below1 it is read-only and cant be updated2 it has an access time much longer than magnetic
q benefits of traditional hard disks and cd-romcd-rom is suitable for distribution of large amounts of data to a large number of users cd-roms are a
q features of read-only memoryroms are memories on which its not possible to write data when they are on-line to computer they can only be read this
q what is typical storage hierarchya typical storage hierarchy is displayed in figure above though figure shows only block diagram however it
q fundamental types of flash memorycode storage flash which is made by intel amd atmel it stores programming algorithms and it is largely found in
q what is flash memorythis memory is other form of semiconductor memory that was first introduced in mid-1980 these memories can be reprogrammed
it is desirable that operating speed of primary storage of a computer system be as fast as possible since most of the data transfer to and from
q basic working of hard disk drivethis is one of the components of todays personal computer having a capacity of order of quite a lot of giga bytes
q explain about magnetic diska disk is circular platter constructed of nonmagnetic material known as substrate coated with a magnetisable material
q how to access the disk datadisks operate is semi-random mode of operation and generally referenced block wise the data access time on a disk
q illustrate when are intermolecular forces the strongestanswer-intermolecular forces dispersion and dipole-dipole and hydrogen bonds these forces
q can a vector have a component equivalent to zero and still have a nonzero magnitudeanswer-yes for example the 2-dimensional vector 1 0 has length
q if a plane is in the air also there is a fly flying inside the plane does the plane get heavier when the fly landsanswer-it is true that a fly puts
q illustration what is the cause of brownian motionanswer-molecules in a gas move freely randomly constantly in all directions and at high speeds
q how do you split hydrogen and oxygen gases in industrial electrolysis of water processanswer-in oxygen electrolysis and hydrogen gas are produced
q illustrate what is the universal law of universal gravitationanswer-declaration that any particle of matter in the universe attracts any other with
q illustrate what is a centrifugal forceanswer-centrifugal force is the force that is equivalent in magnitude but opposite in direction to the
q illustrate does gas have densityanswer-gas in addition to everything in the universe has density though some densities are not either too high or
q what is the dissimilarity between dynamic strain aging and strain aginganswer-strain aging could be explains as normal wear and tear or the fatigue
q illustrate what is a crestanswer-in electromagnetic waves or else ocean waves for that matter a crest is the peak or maximum height of the
q illustrate why does a tea kettle singanswer-there is a little attachment with a hole in it which acts as a whistle it is inserted into the spout of
q what is the dissimilarity between a lens and a mirroranswer-a mirror is a reflective surface that light passes through the glass and hits the
q which way do twin twist props on a boat rotate when propelling the boat forwardanswer-in opposite direction however they are designed to propel the
q illustrate what is a ion pair energyanswer-ion energy contains electric charges called protons and neutrons 0 and electrons - charges its present
q illustrate what is a astrophysicsanswer-examine of galaxies stars and the creation of the universe including predictions about how it will proceed