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1. The Simplest operating system which allows only one user to work on a computer at a time is known as:





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MCQ->The Simplest operating system which allows only one user to work on a computer at a time is known as:....
MCQ->Consider the following statements about conditions that make a metal semiconductor contact rectifying N type semiconductor with work function φs more than work function φM of metalN type semiconductor with work function φs less than work function φM of metalP type semiconductor with work function φs more than work function φM of metalP type semiconductor with work function φs less than work function φM of metal. Of these statements....
MCQ->Each of the seven friends viz. P,Q,R,S,T,U and V joined seven different courses viz. MBA, MBBS, Law, Engineering, Arts, Science and Commerce (None of the given information necessarily in the same order) on seven different days of the same week i.e., Monday to Sunday. Only three people joined after S. Only two people joined between S and the one who joined Law. Only three people joined between the one who joined law and the one who joined Engineering. Only one person joined between V and the one who joined Arts. V joined before the person who joined Arts. V neither joined on Tuesday nor Wednesday. V did not join Engineering. Only three people joined between V and R. P joined on the day immediately before the one who joined Commerce. Neither S nor T joined Commerce. Q joined MBBS. P did not join Science. Qs.The one who joined Science, joined in which of the following days ?....
MCQ->The simplest method of welding two pieces of metal together is known as pressure welding.The ends of a metal are heated to a white heat-for iron,the welding temperature should be about 1300C-in a flame.At this temperature the metal becomes plastic.The ends are pressed or hammered together,and the joint is smoothed off.Care must be taken to ensure that surfaces are thoroughly clean first,for dirt will weaken the weld.Moreover,the heating of iron or steel to a high temperature cause oxidation,and a film of oxide is added to the heated surfaces.For this reason,flux is applied to the heated metal.At welding heat,flux melts and the oxide particles are dissolved in it together with any other impurities which may be present.The metal surfaces are pressed together,and the flux is squeezed out from the center of the weld.A number of different types of weld may be used,but for fairly thick bars of metals,a vee-shaped belt should be normally employed.It is rather stronger than ordinary butt weld. The simplest way of welding two pieces of metal together is....
MCQ->What is sent to the user via HTTP, invoked using the HTTP protocol on the user's computer, and run on the user's computer as an application?....
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