Computer Programming Questions and Answers PDF

MCQ 1: The output of the following part of program is for(num=0; num<26;num++)
{ square=num*num;
printf("%5d %5d\n",num, square);
}:

1. Prints 26 lines on screen containing an integer from 0 to 25
2. Prints 26 lines on screen containing an integer from 0 to 25 and its square on each
3. Prints 26 lines on screen containing an integer from 1 to 25 and its square on each
4. Prints 26 lines on screen containing an integer from 1 to 25

MCQ 2: In C language, the output of the expression 1 && (30 % 10 >= 0) && (30 % 10 <= 3) is:

1. 1
2. 0
3. 101
4. 2

MCQ 3: When one can determine the number of loop iterations for solution of problem before executing program then the loop kind is called:

1. Counter-controlled loop
2. Sentinel-controlled loop
3. End-filed controlled loop
4. General conditional loop

MCQ 4: When the program demands repeat interactive input until a valid value for data range is entered then the loop kind is called:

1. Sentinel-controlled loop
2. End-filed controlled loop
3. General conditional loop
4. Input validation loop

MCQ 5: The output of the following part of program is where resistance=2 for(volts=20; volts>=-20; volts-=10)
{ current=volts/resistance;
printf("%5d %8.3f\n",volts,current);
}:

1. 10
   0
   -10
2. 10
   50
   0
   -50
   -10
3. 10
   5
   0
   -5
   -10
4. 100
   50
   0
   -50
   -100