# Programming in C - I/O Operations

• A

C provides no input-output features  • B

C provides no file access features  • C

Provides no features to manipulate composite  • D

All of these  • A

must yield the same value  • B

must yield different values  • C

may or may not yield the same value  • D

none of these  • Option : C
• Explanation :
If y = 11, the expression 3 * (y - 8) / 9 becomes 3 * 3 / 9. Which evaluates to 1.
But the expression ( y - 8 )/ 9 * 3 becomes 3 / 9 * 3. Which evaluates to 0 (since 3 / 9 is 0)

• A

prints 8  • B

prints 6  • C

prints 6 or 8 depending on the compiler implementation  • D

is syntactically wrong  • Option : C
• Explanation :
y * = 2 means y = y * 2 i.e. y = 4, in this problem.
So, the expression is equivalent to x = 4 + 4, which is 8.
So, 8 will be printed.
However, the order in which the operands are evaluated is implementation-dependent.
If the right operand is evaluated first, the result will be 6.

• A

is 3 5  • B

is 4 5  • C

is 4 4  • D

is implementation dependent  • A

x = x - y + 1  • B

x = -x -y -1  • C

x=-x +y + 1  • D

x= x - y -1  ## Description

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I/O Operations