Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Let's say you initialize x as "uint32_t x = 0x0000FFFF;". What is the value of (x << 1)?

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Explaination

1) initial value of uint32_t x = 0x0000FFFF

2) Now in expression (x << 1) we are shifting value of x to right side 1 times

3) Value of x can be written as below

    0x0000FFFF = 0000 0000 0000 0000 1111 1111 1111 1111

4) Shifting it right by 1 is

    0000 0000 0000 0001 1111 1111 1111 1110 = 0x0001FFFE

5) so after shifting by 1 we get value of expression (x << 1) as 0x0001FFFE

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