Explain the purpose of a comparator assume even parity is

Question

Q1. Suppose you have a digital signal with a period of 1500 milliseconds. What is the period in microseconds?

Q2. What is the 12-bit BCD binary code for 538₁₀?

Q3. Convert the 8-bit unsigned binary value 01111010₂ to its equivalent hexadecimal.

Q4. Convert the 8-bit unsigned binary value 11100101₂ to its equivalent decimal value.

Q5. Simplify the following Boolean expression.

A + AB + AB^-C

Q6. Write the Boolean algebra expression for output C in the circuit below.

Q7. What is the decimal value for the following signed magnitude number, assuming the MSB is the sign bit?

01010011

Q8. Calculate the sum of the problem below and leave answer in binary form. Assume the number are unsigned magnitude.

01100111

[phone]

Q9. Calculate the two's complement of the following unsigned binary number.

10001001₂

Q10. Convert 10.5₁₀ to IEEE 754 format.

Q11. Write the Sum of Products expression of the circuit below.

Q12. Write the Product of Sums expression of the circuit below.

Q13. Explain the purpose of a comparator.

Q14. Assume even parity is being used when transmitting 8-bit bytes. What is the value of the parity bit (either 0 or 1) for the byte below, and explain how you arrived at your answer?

01100001

Q15. Explain the different types of ROM.