Predict the output for the given code for func(8, 2) ?int func(int a, int b){ int c; c = a << b; return c;}Select one:a. 16b. 8c. 4d. 32
Question
Predict the output for the given code for func(8, 2)
?
int func(int a, int b){
int c;
c = a << b;
return c;
}
Select one:
- a. 16
- b. 8
- c. 4
- d. 32
Solution
1. Break Down the Problem
We have a function func(int a, int b)
that performs a left bitwise shift on a
by b
positions. We need to determine the output when func(8, 2)
is called.
2. Relevant Concepts
The left shift operator <<
shifts the bits of a number to the left. Shifting left by b
positions is equivalent to multiplying the number by .
3. Analysis and Detail
Given:
Calculating the result: This operation effectively means:
4. Verify and Summarize
The left shift of 8
by 2
results in 32
. The computation matches the expected operation of the left shift.
Final Answer
The output for func(8, 2)
is d. 32.
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