Provided by www.YuvaJobs.com - Whole Testpaper - 1 April 2005 VERIFONE Question Paper 4 2005 there will be 45 qstns. 15+5+5+5+5+5+5. section: electronics: 1.a logic ckt is given and asked to identify the configuration. ans: XOR. 2.multi vibrator with nor gates is given ans: astable multi sqr wave opt. 3.4 stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change. 4*10=40. 4.impedence of a p,lel resonant circiut at resonance:R. 5.serial to parellel conversion is done by ans:shift register. 5.if the address bus id 20bits.then the memory space is 1Mb. 6.filtering can be done with:capacitor,iductor,both,none. 7.the config that is worst effected by low CMMR ans:Non inverting amplifier. 8.two progs are given. one satrts counting frm 0 to MAX and the other stars frm MAX to 0. which one executes fast.may be Max to 0.Think of.it should be. another 6 qstns are there. simple. Networks: 1. the fctn of datalink layer is:bit stuffing. 2.which of the following is not fctn of datalink layer: Encription. 3.voltage levels of rs232x:+12,-12. 4.which of the following is not used for client/server. RPC, TCP/IP, MESSAGEQs None ans:may be none. 5. Database: 1. which of the following is true. ans:the primary key in Database design is very important. 2. SQL is a Non procedural query langauge. 3. 4 5. Compiler/algo/ds: 1.Data structure used to impliment a menu: doubly linked circular linked list. 2. some regular expression is given:WaW,.may be it is context free grammar. 3.,4,5. os: 1.the feature of real time os is: fast context swithing. 2.os impliments protection with the help of hardware(like virtual addressing in 386/286 etc). C: some small c progs are given asked to tell the function/errors etc. one of the qstn(last in the paper) is an invalid statement. finish of all these very fast and think about those others. they are simple only. Interview: depends on the member.(Mr.Deep if he comes asks archirect of 586/486/386/286 etc. otherwise DS,OS,C,TCP/IP . they hv taken 21(18btechs+3mtechs). ok if u hv any queries ask immediately. Provided by www.YuvaJobs.com - Whole Testpaper - 1 April 2005