1) Here is a numerical expression in C: x << 1 containing an unknown number x. If the value of the whole expression x << 1 ) is 42, what is the value of x?

C++ for Engineers and Scientists
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These are bitwise operations using C syntax

Problem 2 (Bitwise)
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Which number?
1) Here is a numerical expression in C: x << 1 containing an unknown number x. If the value of the whole expression
( x << 1 ) is 42, what is the value of x?
2) Here are a couple of numerical expressions in C: x % 5 and x 5 containing an unknown number x. If the value of the
expression first expression is 4 and the value of the second is 3, what is the value of x?
3) Here are a couple of numerical expression in C: x & 25
value of the second is 29, what is the numerical value of this expression?
and x | 25 . If the value of the first expression is 17 and the
Lay out the bit patterns of 25, 17 and 29. Consider the bitwise OR first: this will fix all but three of the bits of x. Considering the
bitwise AND will fix the remaining three.
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Transcribed Image Text:Problem 2 (Bitwise) Bookmark this page Which number? 1) Here is a numerical expression in C: x << 1 containing an unknown number x. If the value of the whole expression ( x << 1 ) is 42, what is the value of x? 2) Here are a couple of numerical expressions in C: x % 5 and x 5 containing an unknown number x. If the value of the expression first expression is 4 and the value of the second is 3, what is the value of x? 3) Here are a couple of numerical expression in C: x & 25 value of the second is 29, what is the numerical value of this expression? and x | 25 . If the value of the first expression is 17 and the Lay out the bit patterns of 25, 17 and 29. Consider the bitwise OR first: this will fix all but three of the bits of x. Considering the bitwise AND will fix the remaining three. Save Reset
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