Practice Representation Of 8 Bit Number (8.1.1)

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6 sample questions

Question 1.
What is the decimal equivalent of the binary number 00001111?
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Convert each binary digit to its decimal value.
Question 2.
What is the hexadecimal equivalent of the binary number 1010?
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Remember that 10 in decimal is represented as A in hexadecimal.
3Question 3.
What is the maximum decimal value for an 8-bit unsigned binary number?
- 255
- 256
- 127
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Remember the range of 0 to 2^n - 1.
4Question 4.
True or False: In two's complement, the maximum positive value is +127.
- True
- False
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Think about the range of numbers managed by two's complement.
Question 5.
In binary arithmetic, add 11001111 and 00111000. State if there is an overflow, and provide the result.
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Remember to check for carry out in the most significant bit.
Question 6.
Using two's complement, represent the decimal number -30 in an 8-bit binary. Explain the steps taken.
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Start with the binary form of the positive number and then apply the two's complement method.

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