> -/,q` !bjbjqPqP .&::!7$$$$$$$$$hUB$$$$$$$$$$$$PoŢ::07t,$$$$$$$$$$7$$$$$$Paper: Robert Bosch Placement Paper Held On 24 Feb 2008 (Technical & Aptitude)Section I(Technical)1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)d) 0101012. The relationship b/w Gain & Bandwidth?a) Independent of each otherb) Gain decreases as bandwidth decreasesc) Gain increases as bandwidth increases till some extent after which stability decreases3. In "ON CHIP decoding memory can be decoded toa) 2^n b)2^n +1 c)2^n -1 d) some other choice Ans: a4. Half of address 0Xffffffff isa) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice5. For a 4 bit succe D/A with 16v o/p the resolution isa)10v b)1v c)1.6v d)16v Ans : b6. A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w,To get max efficiency what will be the total loss in tr in wa) 550 b) 500 c) 600 d) Data insufficient Ans : b7. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH AC voltage =150 sin (1000t).what is the current flowing in the circuit?a) b) c ) d)8. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW isa) 60 b) 25 c) 10 d) 09. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)ans "c i= (Vs/R)exp(-t/ T)10.SCR s are connected in series to geta) high current rating b) voltage regulation c) high v rating d)some otherAns: c11. Which one of the following is used for high speed power application?a) BJT b) MOSFET c) IGBT d) TRIAC12. One question related with SCR timing dia13. SCR is used fora) To achieve optimum (or maximum not sure) dv/dtb) For high current ratingsc) To achieve high voltaged) Some other choice14. State in which o/p collector current of transistor remains constant in spite of increase in base current isa) Q point b) Saturation c) Cut off15. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.a). 20.5 MHzb). 2.65 KHzc). 20.5 KHzd). none16.for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritarya). 3.076mAb). 3.76mA17 . Two ques on control sys like the sys will be stable when the roots area) real & +ve b) real & -ve c) d)18. The ques on Niquest plot19. 0ne ques on root locus20. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate21. Question related with serial in parallel out shift registerWhat is output sequence?Ans 101021. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?22. #define A 10+10main (){int a;a=A*A;printf ("%d, a);}a) 100 b) 200 c) 120 d) 400ans : c23.. main(){int n=0;while(n>32767)pf("%d,n);n++}ans ; indefinite loop here ihe loop will continue again & again ie after 32767 the go to -3276824.. if (fun ()){X++;}X gets incremented if and only ifa) fun () returns 0b) fun () return 1c) fun () return -1d) return a value other than 0 ans ; d25.. In dynamic memorya) Power dissipation is less than that of static memoryb) Clock is neededc) Refreshing is requiredd) All the above26. Short, int and long integers have how many bytes?a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice ans : b27. A (n) is """"filter combination ofa) Passive b) Active c) AMPLIFIER d) BOOSTER28. according to ohms law the current density is proportional toa) current b) di/ds c) applied emf d)29. Two more question on gravity ie body is projected then find the time of fall and some physics ques30. Structure comparison is donea). yesb) noc) compiler dependentd)31. The system in which communication occurs in both ways but not simultaneously in both ways isa) Half simplex b) Simplex c) Half duplex d) duplex32. main (){int a=5, b=6;int i=0;i=a>b? a:b;printf ("%d, i);}a) 0 b) 1 c) 6 d)533. int fun (char c){int i;static int y ;}a) c, i are stored in stack and y stored in data segmentb)c stored in stack and i,y are stored in data segmentc) c is stored in text segment, y in data and i in stack34. how would you insert pre-written code into a current program?a) #readb) #getc) #included) #pre ans: c35.structure may containa) any other structureb) any other structure expect themselvesc) any other structure except themselves and pointed to themselvesd) none of the above36. One ques from pointer declarationSection II (Aptitude)37. If a>4,b<-1 then which of the following is truea)2a+b<0 b) 4a<3b c) a>4b d) some oth38. In a class out of 150 studs participated in various games foot ball ,basket ball, cricket are 120, 130,135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the gamesa)110 b)100 c) 96 Ans a39.. 20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work togethera)5c/6 b)c/6 c) 6c/540. find the lateral surface of a cone with diameter of base 12feet . and the latent height is 24feeta) 1320square f.b) 260 square f.c) 96 square f.d) noneans : c41. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are truea) Ann is taller than Tom b) c) d) Data insufficient ans : d42. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2)43. (10 | 7) would producea). 17b). 3c). 11d). 15
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