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12. if x = 0x25 then which of the following statements is correct a) if y...

12. if x = 0x25 then which of the following statements is correct a) if y = x | (1<<1) then y is 0x26 b) if y = x << 1 then y is 0x4A
Review questions COMP 2401 Fall 2019
Page 4 of 14
c) if y = x & 0x37 then y is 0x35 d) if y = x | 0x37 then y is 0x35 e) All of the above statements are incorrect

13. What will be the output of the following code segment? int u = 18; int v = 10; if (u && v) printf(“Fall Term!! ”); if (u & v) printf(“Winter Term!! \n”);

a. Winter Term!! Fall Term!! b.Fall Term!! c. Winter Term!! d. Fall Term!! Winter Term!! e. None of the above

14. Given the following declaration char x = -11; char y = 63; if the computer uses 2’s complement to represent the numbers then which statement is correct: a. The number of bits in x is equal to the number of bits in y b. The number of bits in x is less than the number of bits in y c. The number of bits in x is greater than the number of bits in y d. None of the above

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Homework Answers

Answer #1

12) Answer is: b) if y = x << 1 then y is 0x4A

Wrong options Output 0

a) y = x |(1<<1); then y will be 0x27

c) y = x & 0x37 then y will be 0x25

d)y = x | 0x37 then y will be 0x37

13)

Answer is:  d. Fall Term!! Winter Term!!

Code -

int u = 18;
int v = 10;
if (u && v)
printf("Fall Term!! ");
if (u & v)
printf("Winter Term!! \n ");

Output : Fall Term!! Winter Term!!

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