Languages-C & C Plus Plus [3i Infotech Placement]: Sample Questions 252 - 254 of 354

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Question 252

C & C Plus Plus
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Describe in Detail

Essay▾

Write a program to find the factorial of a number.

Explanation

1. `#include<stdio.h>`
2. `int main()`
3. `{`
4. `    int i,f=1,num;`
5. `    printf("Enter a number:");`
6. `    scanf("%d",&num);`
7. `    for(i=1;i<=num;i++)`
8. `    f=f⚹i;`
9. `    printf("Factorial of %d is:%d",num,f);`
10. `    return 0;`
11. `}`

OUTPUT

Enter a number: 8

Factorial of 8 is:=

Question 253

C & C Plus Plus
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Write in Short

Whether unified method and unified modeling language are same or different?

Explanation

• Unified method is convergence of the Rumbaugh and Booch.
• Unified modeling lang. is the fusion of Rumbaugh, Booch and Jacobson as well as Betrand Meyer (whose contribution is “sequence diagram” ) .
• Unified modeling is superset of all the methodologies.
• The UML is not intended to be a visual programming language however, the UML does have a tight mapping to a family of object oriented languages

Question 254

C & C Plus Plus
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Write in Short

What is the binary equivalent of 52?

Explanation

For binary representation, only 0 and 1 two digits are used.

Here, for 8 bit representation, , , , , , , ,

So, to represent 52 we need

Placing 1 in these positions and 0 in rest of the positions, we will get 00110100.

So, binary equivalent of 52 will be 110100.

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