C Programming Questions and Answers – Assignment Operators & Expressions – 2

«
»
Sanfoundry’s 1000+ Interview Questions & Answers on C help anyone preparing for Microsoft and other companies C interviews. One should practice these 1000+ interview questions and answers continuously for 2-3 months to clear Microsoft interviews on C Programming language.

Here is a listing of C test questions on “Assignment Operators & Expressions” along with answers, explanations and/or solutions:

1. What is the type of the following assignment expression if x is of type float and y is of type int?

 y = x + y;
advertisement

a) int
b) float
c) there is no type for an assignment expression
d) double
View Answer

Answer: a
Explanation: None.

2. What will be the value of the following assignment expression?

 (x = foo())!= 1 considering foo() returns 2
advertisement
advertisement

a) 2
b) True
c) 1
d) 0
View Answer

Answer: a
Explanation: None.

3. Operation “a = a * b + a” can also be written as ___________
a) a *= b + 1;
b) (c = a * b)!=(a = c + a);
c) a = (b + 1)* a;
d) All of the mentioned
View Answer

Answer: d
Explanation: None.
advertisement

4. What will be the final value of c in the following C statement? (Initial value: c = 2)

  1. c <<= 1;

a) c = 1;
b) c = 2;
c) c = 3;
d) c = 4;
View Answer

Answer: d
Explanation: None.
advertisement

5. What will be the output of the following C code?

advertisement
  1.     #include <stdio.h>
  2.     int main()
  3.     {
  4.         int a = 1, b = 2;
  5.         a += b -= a;
  6.         printf("%d %d", a, b);
  7.     }

a) 1 1
b) 1 2
c) 2 1
d) 2 2
View Answer

Answer: c
Explanation: None.

6. What will be the output of the following C code?

  1.     #include <stdio.h>
  2.     int main()
  3.     {
  4.         int a = 4, n, i, result = 0;
  5.         scanf("%d", n);
  6.         for (i = 0;i < n; i++)
  7.         result += a;
  8.     }

a) Addition of a and n
b) Subtraction of a and n
c) Multiplication of a and n
d) Division of a and n
View Answer

Answer: c
Explanation: None.

7. Which of the following is an invalid assignment operator?
a) a %= 10;
b) a /= 10;
c) a |= 10;
d) None of the mentioned
View Answer

Answer: d
Explanation: None.

Sanfoundry Global Education & Learning Series – C Programming Language.

Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

advertisement
advertisement

Leave a Comment

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn | Youtube | Instagram | Facebook | Twitter