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Replies to This Discussion

  • Which of the function call is call by value for the following function prototype? float add(int);

  • add(&x);

  • add(x);

  • add(int x);

  • add(*x);


add(x) would be the correct answer I believe.

add(*x) - when you declare a function as call by reference.

add(&x) - when you call by reference

add (int x) - when you declare a function as call by value.

add(x);

add(x);

  • What will be the value of ‘a’ and ‘b’ after executing the following statements? int a = 9; int b = a++; cout/p>

  • 10,9

  • 9,10

  • 9,9

  • 10,10


correct

  • When the if statement consists of more than one statement then enclosing these statement in braces is _________.

  • Compulsory

  • Optional (not sure)

  • Not required

  • Relevant

  • Compulsory

thanks alot hifzah... so i think i got 7/10 marks...

Do correct me.... if there is any mistake.. i hope kafi hon gi so i need correction

Question # 1 of 10 Total Marks: 1
< and > both are _________ operators.
Arithmetic
Relational
Logical >>>>right option
Mathematical
Question # 2 of 10 Total Marks: 1
Find out the logical error in following lines of code. If (x = 10) cout “x is 10”;
10 should be enclosed in quotations
There is no semicolon at the end of if condition
Assignment operator should not be used for Comparison>>>>right option
Variable x should not be inside parenthesis
Question # 3 of 10 Total Marks: 1
What will be the result of the expression j = i++; if initially j = 0 and i = 5?
0
5>>>>right option
6
4
Question # 4 of 10 Total Marks: 1
Default mechanism of calling a function by passing it array is call by ________ and in case of passing variable is call by ________.
Reference, Reference
Reference,value >>>>right option
Value, Reference
Value, Value

Question # 5 of 10 Total Marks: 1
When the break statement is encountered in a loop’s body, it transfers the control ________from the current loop.
Inside
Outside>>>>right option
To break statement
To continue statement
Question # 6 of 10 Total Marks: 1
________statement is used to terminate the processing of a particular case and exit from switch structure.
If
Goto
Break>>>>right option
Continue

Question # 7 of 10 Total Marks: 1 
When the if statement consists of more than one statement then enclosing these statement in braces is _________. 
Compulsory>>>>right option
Optional
Not required
Relevant

Question # 8 of 10 Total Marks: 1 
What will be the value of the variable output in the given piece of code? double output = 0; output = (2 + 2) * 4 + 2 / (4 – 2); 
15
17>>>>right option
12
1

Question # 9 of 10 Total Marks: 1 
If we assign 2.06721 to an integer variable x, what will be the output if we print x using cout statement? 
2>>>>right option
2.1
2.06
2.07
Question # 10 of 10 Total Marks: 1 
__________ will be used for clarity and to force the order of evaluation in an expression. 
" "
()PG32
' '
[]>>>>right option

is k 1st Question ka ans rational operator h

> and <  operators are called 'relational operators

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