subject: microprocessor

Note: Symbol '\%' stands for binary and '\$' stands for hexadecimal 5. How many bytes are there in 256 Kbytes? 6. Convert the 16-bit signed two's complement number $A2B3 to decimal. 7. Perform the following operations: a) 101101+11001 (binary addition) b) A36B+21D6 (hex addition) c) 2135+537 (Octal addition) d) B69E - A2CB (hex subtraction) 8. Find the value of the binary number 11010101 in decimal if it represents the following: a) Unsigned number b) One's complement c) Two's complement 9. Perform the following operations using signed 2's complement notation to represent negative numbers and verify your answers. Use 8 bits to represent the numbers. a) 7155 b) 3658