UTC Aerospace System Technical Questions October 2013

Posted on :10-03-2016

UTC Aerospace Systems Written Test consists 2 Parts Aptitude and Technical

Q1. DML is provided for

(A) Description of logical structure of database.
(B) Description of logical structure of database.
(C) Manipulation & processing of database.
(D) Definition of physical structure of database system.

ANS: (C)

Q2. What is data integrity?

Q3. The keyword to eliminate duplicate rows from the query result in SQL is

Q4. What will be the output of the program? 

int main()
const int x=5;
const int *ptrx;
ptrx = &x;
*ptrx = 10;
printf("%d ", x);
return 0;

a. 5
b. 10
c. Error
d. Garbage value


Q5. What will be output when you will execute following c code?

void main(){
char arr[7]="Network";

a. Network
b. N
c. Garbage Value
d. Compilation error


Q6. What is the similarity between a structure, union and enumeration?

A. All of them let you define new values
B. All of them let you define new data types
C. All of them let you define new pointers
D. All of them let you define new structures


Q7. What is the default subnet mask for a class C network?



Q8. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?



Q9. Which of the following is the address of the router?

A. The IP address
B. The TCP address
C. The subnet mask
D. The default gateway


Q10. FDDI is a

A. ring network
B. star network
C. mesh network
bus based network


Q11. Fragmentation of the file system

A. occurs only if the file system is used improperly
B. can always be prevented
C. can be temporarily removed by compaction
D. is a characteristic of all file systems
E. None of the above

ANS: (C)

Q12. Which is a permanent database in the general model of compiler?

A. Literal Table
B. Identifier Table
C. Terminal Table
D. Source code
E. None of the above

ANS: (C)

Q13. Swapping

A. works best with many small partitions
B. allows many programs to use memory simultaneously
C. allows each program in turn to use the memory
D. does not work with overlaying
E. None of the above

ANS: (C)

Q14. Which scheduling policy is most suitable for a time-shared operating system

A. Shortest-job First.
B. Elevator.
C. Round-Robin.
D. First-Come-First-Serve.


Q15. Semaphores

a) synchronize critical resources to prevent deadlock
b) synchronize critical resources to prevent contention
c) are used to do I/O
d) are used for memory management


Q16. PHP is a widely used --- scripting language that is especially suited for web development and can be embedded into html

A. Open source general purpose
B. Proprietary general purpose
C. Open source special purpose
D. Proprietary special purpose


Q17. Which of the following functions require the allow-url-fopen must be enabled?

A. include()
B. require()
C. both of above
D. None of above


Q18. The feature in object-oriented programming that allows the same operation to be carried out differently, depending on the object, is_____

A. inheritance
B. polymorphism
C. overfunctioning
D. overriding


Q19. Examine the following program and determine the output

using namespace std;
int operate (int a, int b)
return (a * b);
float operate (float a, float b)
return (a/b);
int main()
int x=5, y=2;
float n=5.0, m=2.0;
cout << operate(x,y) <<" ";
cout << operate (n,m);
return 0;

A. 10.0 5.0
B. 5.0 2.5
C. 10.0 5
D. 10 2.5


Q20. Find out the error in following block of code.

If (x = 100)
Cout << x is 100;

A. 100 should be enclosed in quotations
B. There is no semicolon at the end of first line
C. Equals to operator mistake
D. Variable x should not be inside quotation


Q21. Which of the following components of the .NET framework provide an extensible set of classes that can be used by any .NET compliant programming language?

A. .NET class libraries
B. Common Language Runtime
C. Common Language Infrastructure
D. Component Object Model


Q22. Which of the following security features can .NET applications avail? 

1. PIN Security 
2. Code Access Security 
3. Role Based Security 
4. Authentication Security 
5. Biorhythm Security 

A. 1, 4, 5
B. 2, 5
C. 2, 3
D. 3, 4


Q23. How many levels of compilation happens in .NET Framework?

A. One
B. Two
C. Three
D. Four


Q24.. For the code snippet shown below, which of the following statements are valid? 

public class Generic
public T Field; 
public void TestSub()
T i = Field + 1;
class MyProgram
static void Main(string[] args)
Generic gen = new Generic();

A. Addition will produce result 1.
B. Result of addition is system-dependent.
C. Program will generate run-time exception.
D. Compiler will report an error: Operator + is not defined for types T and int.


Q25. What will be the output of the program? 

public class SqrtExample 
public static void main(String [] args) 
double value = -9.0;
System.out.println( Math.sqrt(value));

A. 3.0
B. -3.0
C. NaN
D. Compilation fails.



The sqrt() method returns NaN (not a number) when its argument is less than zero.

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