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Homework 1 Solution

    1. What is the function of the CPU subsystem in a computer?

    2. What is the difference between von Neumann and Harvard model? 

    3. Convert the hexadecimal number A9 to:
    a) octal
    b) decimal
    c) binary

    4. Convert the decimal number 169 to:
    a) binary
    b) octal
    c) hexadecimal

    5. Convert the binary number 10101001 to:
    a) octal
    b) decimal
    c) hexadecimal

    6. What is ASCII code? What is the ASCII code for the character 5?

    7. Use 8 bits memory to represent integer number 5.

    8. Use two’s complement method to store the following decimal integers to binary numbers with 8-bit allocation.
    a) 53
    b) −107
    9. Normalize the following binary floating-point numbers. Explicitly show the value of the exponent after normalization.
    a) (101.11)2

    b) (10.111)2

    10. Convert the decimal number to binary number:
    a) 161.875

    b) 0.0234375

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