SLR-EG-9

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Seat

No.

Instruction : All questions are compulsory.

MCQ/Objective Type Questions

Duration : 30 minutes Marks : 20

Code No.SLR-EG 9 *SLREG9*

Basic Electronics

Tick mark the correct answer : 10

1. A diode is used as

a) An amplifier b) A rectifier

c) A oscillator d) Voltage regulator

P.T.O

Signature of Jr. Supervisor

Seat No. ______________________ Centre _______________________ For Office Use Only

Seat No. in words ____________________________________________Code No.

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F.E. (Part II) Examination, 2009

BASIC ELECTRONICS AND COMPUTER PROGRAMMING

Day and Date : Thursday, 19-11-2009 Time : 10.00 a.m. to 1.00 p.m. Max. Marks : 100

Day & Date __________________________ Language of Answer ___________________________

Examination _______________________ Paper No. _____________________________________

Subject ____________________________ Section ______________________________________

Marks -Out of

__________ Examination ____________For Office Use only

Signature of

Examiner__________________ (Paper - ________)

Code No.

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SLR-EG 9 -2- *SLREG9*

DONOTW

RITEH

ERE

2. The doping level in zener diode is

a) More than crystal diode

b) Less than crystal diode

c) Same as crystal diode

d) None of the above

3. is given by

a)+=

1b)

=

1

c)

+=

1d)

1

1

+=

4. In PTC, as temperature increases, resistance

a) Increases b) Decreases

c) Remains same d) None of above

5. LVDT is a

a) Capacitive transducer b) Resistance transducer

c) Inductive transducer d) None of them

6. Thermocouple is

a) Active transducer b) Passive transducer

c) Adhesive transducer d) Both a and b

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*SLREG9* -3- SLR-EG 97. LED emit light

a) Only in red color b) Only in yellow color

c) Only in green color d) In all colors (above)

8. The output of an AND gate is high when

a) Any input is high b) All inputs are high

c) No inputs are high d) Both a and b

9. The decimal number 17 is equal to binary number

a) 10010 b) 11000

c) 10001 d) 01001

10. The most suitable gate for comparing two bits is

a) AND b) OR

c) XOR d) NAND

Computer Programming

10

11. Connector is shown by following symbol in flowchart

a) b)

c) d)

12. Integer requires _____________ memory space.

a) 2 bytes b) 1 word

c) 4 bytes d) 1 bit

13. What would be the output of the following program ?

int x = 40;

main ()

{

int x = 20;

printf (%d, x)

}nt x = 40; main ( ){ int x = 20; print (% }

a) 20 b) 40c) 60 d) It gives error

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14. int a = 5, b;

a > = 5 ? b = 100 : (b = 200); Output of the program will be

a) 5 b) 100

c) 200 d) Error

15. int i = 2;

printf (%d%d, ++i, ++i); gives output

a) 3 4 b) 4 3

c) 4 4 d) 2 3

16. If the file to be included does not exits, the preprocessor flashes an error message

a) True b) False

c) Cant say d) None of these

17. Would the following program compile successfully

main ()

{

printf (TIP TOP);

}

a) Yes b) No

18. Struct emp

{

char name [20];

int age;

}; declaration requires ___________ memory space.

a) 22 bytes b) 12 bytesc) 1 word d) 24 bytes

19. File is opens with the help of ___________

a) fopen (); b) open ()

c) fp d) fo ()

20. C is case sensitive language

a) True b) False


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*SLREG9* -5- SLR-EG 9

Seat

No.

F.E. (Part II) Examination, 2009

BASIC ELECTRONICS AND COMPUTER PROGRAMMING

Day and Date : Thursday, 19-11-2009 Marks : 80Time : 10.00 a.m. to 1.00 p.m.

Instruction : All questions are compulsory.

SECTION I(Basic Electronics)

2. Solve any four : (45=20)

1) Explain half wave rectifier with necessary diagrams.

2) Explain in detail working of relays.

3) What are different types of displays ? Explain each in brief.

4) Explain a working and application of LVDT.

5) Convert (BC)H to decimal and binary.6) Explain the basic gates with truth tables.

3. 1) Explain the working of transistor in CE configuration. Explain the input andoutput characteristics of CE configuration. 10

2) Explain the principle of transformer. Discuss the various types of transformersin detail. 10

OR

2) What is universal gate ? Prove that NAND is universal gate. 10

SECTION II

(Computer Programming)

4. Attempt any four : (45=20)

a) Write note on C programming language.

b) What is control structures used in C language ? Explain following control

structures along with the examples.

i) If elseii) Switch case.

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c) Explain in detail about the structures and also explain pointer to structures

with the suitable example.d) Write a simple program of addition and substraction of two numbers in C

language. Keep input numbers as user defined.

e) What is file ? Explain all file handling functions by using suitable examples.

f) Define the following :

i) Datatypes

ii) Operators

iii) Expression and constants

iv) Algorithmv) Pointer.

5. a) Write a program in C language which displays the mark list at the studentand calculates the total marks and decides the class of that result on the basisof total marks ; 10

i) Total_marks < 40 Fail

ii) 40 > total_marks < 60 Second class

iii) 60 > total_marks < 75 First class

iv) Total_marks > 75 Distinction.

Take any of subjects for input items. Display the result.

5. b) Write a program in C language which calculates : 10

i) Area of circle

ii) Volume of cube shape

iii) Perimeter of a circle

iv) Area of triangle

v) Area of rectangle

vi) Square of a number.

Take the necessary input item for each case and show the result of each options.Do necessary calculations for each options.

OR

5. b) Write a program in C language in which two variables are defined as x = 50

and y = 100. Swap these two variables values by using C program. Also

write a C program for which it displays then memory address of the variableab = 100. Display the variables content and memory address using pointers.

_____________________

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SLR-EG-9