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CMC Technical Questions

Posted on :16-04-2016

Q1. Clock pulse is generated by

a) astable multivibrator  
b) bistable
c) monostable  

 

Q2. Unix OS is a 

a) multi-tasks 
b) mutual task 
c) multiple process 
d) a& c 

 

Q3. Which among is the OOPL?

a) C 
b) Java 
c) Cobol 
d) Pascal 

 

Q4. What can a Friend Key word do? 

a) Free the memory 
b) provide access to private & public variables 
c) provide access to Private, Protected, public variables. 
d) never allowed to access any constructor 

 

Q5. The present LAN-card Supports 

a) 32 kbphs 
b) 64 kbphs 
c) 128 kbphs 
d) 256 kbphs 

 

Q6. Which among is thread class? 

a) sleep() 
b) IsAliva() 
c) IsLive() 
d) none of the above 

 

Q7. What is CDMA Technology? 

a) Electronic calculator 
b) Cellular phones 
c) Rocket 
d) Car 

 

Q8. Abstract Class can be 

a) Accessed as Constructors 
b) used for hiding information of class 
c) class is Abstract class 
d) none of the above 

 

Q9. What is GC in JAVA? 

a) De-allocates the memory 
b) De-allocates the objects & its reference 
c) Finalising of Memory 
d) non-of the above 

 

Q10. What will be the output of the following program?

main() 

int a=5,c; 
int ptr; 
ptr=&a; 
c=*ptr * a; 
printf("%d,%d",c,a); 

a) 5,5 
b) 25,25 
c) 25,5 
d) Error 

 

Q11. The TV Satellite Transmission is a 

a) Half-Duplex
b) Full Duplex
c) one-way duplex
d) none of the above 

 

Q12. Top down approach is used for _____________

a) coding  
b) proper planning  
c) to skip errors

 

Q13. Interrupt service routine is executed by a microprocessor when

a) as soon as interrrupt occurs
b) after completion of the current process

 

Q14. Encryption and Decryption of data is done in which layer?

a) presentation
b) application
c) session

 

Q15. Which of the following is platform independent?

a) UNIX    
b) BASIC    
c) C  
d) JAVA

 

Q16. Stack is implemented by

a) RAM  
b) ROM  
c) EPROM  
d) EEPROM

 

Q17. TCP-UDP layer corresponds to which layer in the OSI model?

 

Q18. Command for checking file system in UNIX

a) diskcheck  
b) fschk  

 

Q19. What is the output of the following program?

main()
{
int x=10,y=5,p,q;
p=x>9;
q=x>3&&y!=3;
printf("p=%d q=%d",p,q);
}

ANS: 1, 1

 

Q20. What is the output of the following program?

main()
{
int i=-5,j=-2;
junk(i,&j);
printf("i=%d,j=%d",i,j);  
}
unk(i,j)
int i,*j
{
i=i*i;
*j=*j**j;
}

ANS: 5,4;

 

Q21. What is the output of the following program?

main() 

int i=+1; 
while(~i) 
printf("vicious circles") 

ANS: continuous loop. 

 

Q22. What is the output of the following program?

#define NO 
#define YES 
main() 

int i=5,j; 
if(i>5) 
j=YES; 
else 
j=NO; 
printf("%d",j); 

ANS: Error message 

 

Q23. What is the output of the following program?

main() 

int a=0xff; 
if(a<<4>>12) 
printf("leftist) 
else 
printf("rightist") 

ANS: rightist 

 

Q24. What is the output of the following program?

main() 

int c=0,d=5,e=10,a; 
a=c>1?d>1||e>1?100:200:300; 
printf("a=%d",a); 
}

ANS: 300 

 

Q25. What is the output of the following program?

main() 

int x=11,y=6,z; 
z=x==5 || !=4; 
printf("z=%d",z); 
}

ANS: 

 


  
   






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