The system of variable b (in hex notation) and of the z status bit after execution of the following instructions will be WREG = [0x00] A = [0x00) B = [0x80] Z-[0x01) C-[0x01].
Hexadecimal numbers are occasionally written with a "h" after or "0x" before the number to prevent confusion with the decimal, octal, or other numbering systems. For example, 63h and 0x63 mean 63 hexadecimal. Hexadecimal numbers, such as 7B316, 6F16, and 4B2A16, are an example. Because each digit has a weight of power 16, the hexadecimal number system is also known as a positional number system. Each subsequent digit is 16 times more important than the one before it.
Hexadecimal is used extensively in assembly programming languages and in machine code. When discussing memory addresses, it is frequently used. It can be used to represent numbers recorded in a database and for debugging computer programs.
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