vectorindia.org Embedded & VLSI System Exam Sample Paper : Vector Institute

Name of the Organisation : VECTOR Institute
Exam : Embedded & VLSI System Exam
Subject : Embedded And VLSI System
Document Type : Sample Question Paper
Website : http://www.vectorindia.org/
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Embedded System : https://www.pdfquestion.in/uploads/24625-embedded.pdf
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Vector Embedded & VLSI System Exam Sample Paper

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Related / Similar Question Paper :
University of Kerala B.Tech Embedded Systems Question Paper

Embedded System Sample Question

Four Section for Programming Language, Micro Processor8085/8086, Digital, Aptitude Question

Programming Language ‘C’

1. main()
{
int a=4,b=2;
a=b<<a + b>>2;
printf(“%d”, a);
}
a) 32
b) 2
c) 4
d) none

2. main()
{
int *ptr=(int*)malloc(sizeof(int));
*ptr=4;
printf(“%d”,(*ptr)+++*ptr++);
}
a) 7
b) 9
c) Runtime error
d) none

3. #define MAX 3
main()
{
printf(“MAX = %d \n”,MAX );
#undef MAX
#ifdef MAX
printf(“Vector Institute”);
#endif
}
a) MAX=3, Vector Institute
b) MAX=3 c) Vector Institute
d) Compile time error

4. int array[]={1,2,3,4,5,6,7,8};
#define SIZE (sizeof(array)/sizeof(int))
main()
{
if(-1<=SIZE) printf(“1”);
else printf(“2”);
}
a) 1
b) 8
c) 2
d) 4

5. main()
{
int ptr[] = {1,2,23,6,5,6};
printf(“%d”,&ptr[3]-&ptr[0]);
}
a) 1
b) 2
c) 4
d) none

Digital

21. A Bipolar transistor has a total of
a) Two similarly doped regions
b) Three alternatively doped regions
c) Two alternatively doped regions
d) Three similarly doped regions

22. Which transistor current formula is correct
a) IC=IB+IE
b) IB=IC+IE
c) IE=IB-IC
d) IB=IE-IC

23. BJT is a_______________
a) Voltage controlled device
b) rectifier
c) current controlled device
d) inverter

24. The sum of binary formats 10101010 and 01111 is __
a) 128
b) 271
c) 200
d) 252

25. Which type of error was eliminated through the use of gray code
a) timing
b) decoding
c) encoding
d) conversion

26. If a parity bit is added to a four bit word, how many output lines will be required after multiplexing ?
a) 5
b) 1
c) 7
d) 9

Micro Processor – 8085

31. The 8085 microprocessor is an ___ bit microprocessor. It is a _____ pin IC.
a) 8 , 20
b) 16 , 40
c) 16 , 20
d) 8 , 40

32. The following are true about 8085 except that, ______.
a) It is manufactured by using NMOS technology
b) It is having on-chip clock generation facility
c) It has 8 address lines
d) Lower order address bus is multiplexed with data bus

33. The status register or flag register of 8085 include ______ flags.
a) 3
b) 5
c) 7
d) 9

34. The data conditions, after execution of an arithmetic or logical operations are indicated by setting or resetting the ___________ called flags.
a) Flip-flops
b) latches
c) registers
d) gates

35. Address Latche Enable(ALE) signal is used to de-multiplex ________ and _________ buses.
a) Address , data
b) Address, control
c) Data,control
d) None of the above

Micro Processor – 8086

31. What is the maximum clock frequency in 8086?
a) 4MHz
b) 5MHz
c) 6MHz
d)7MHz

32. Size of the IP reg in 8086 is——
a) 8 bits
b) 16 bits
c) 20 bits
d) 24 bits

33. ——register can be changed directly using POP instruction
a) ss
b) es
c)ds
d) cs

34. SIM is——————-
a) serial interrupt mask.
b) set interrupt monitor
c) set interrupt mask
d) serial interrupt monitor

Aptitude

51. A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
a) 120 m
b) 240 m
c) 300 m
d) none of these

52. In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
a) 3 km/hr
b) 5 km/hr
c) 8 km/hr
d) 9 km/hr

53. If x=y=2z and xyz=256 then what is the value of x?.
a)12
b)4
c)16
d)6

54. Pipe A can fill a tank in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank.
a) 17 1/7 mins
b) 20 mins
c) 8 mins
d) none of these

55. There is an element which triplicates in every hour. Each of these 3 items in turn reproduce exactly 3 other items. If a single compound is kept in a container at noon and the container is full by midnight. At what time is the container 1/3 full.
a) 4pm
b) 6pm
c) 9pm
d) 11pm

VLSI Sample Question

1. Implement XNOR gate using NAND.
2. The output of the following circuit is_____________
a) (A+B) (C+D)
b) AB+CD c) AC+BD
d) (A+D) (B+C)

3. Which of the following memory element can have possible race condition _____________.
a) Transparent latch
b) RS latch
c) JK flip flop
d) All of the above

4. Design a circuit which gives the output as multiply by 4 without using any gates?
5. Convert JK flip-flop to D flip-flop?
6. Design a mealy FSM (Finite State Machine ) to detect a sequence 101(over lapping)?
7. In a serial IO system, the rate at which the bits are transmitted is known as __________
8. What is the difference between RAM and FIFO?
9. What is RACE AROUND problem? How can you rectify it?
10. Design D-FF into divide by 2 counter.
11. (23)10 = (212) x find ‘x’
12. A four stage twisted- ring counter will develop how many unique outputs before repeating _________
13. Implement xor gate using mux only
14. When a clock frequency of 125Khz inputs a six stage asynchronous counter the output frequency of a flip flop #3 is ?
15. What is dynamic timing analysis?
16. Gray code for (97)10 ?
17. Differentiate between CPLD and FPGA?
18. Prove that AB+BC+A’C = AB +A’C
19. Design 4 bit gray to binary code converter?

20. Abbreviate
a) MOSFET :
b) LFSR :
c) TTL :
d) RTL :
e) ASIC :