8. Convert the following decimal numbers to 8-bit binary values. For negative nu

Question

8. Convert the following decimal numbers to 8-bit binary values. For negative numbers, use the 2’complement formulation.
a. 98

b. -37

c. -85


9. Express each of the following signed numbers (2’s complement format) in decimal:

a. 10011001


b. 01110100


c. 10111111

3. If a parallel bus carries more lines of data than a serial bus, why are most high-speed communications serial?

1. (TCO 5) A function with a continuous value is: (Points : 5)
digital
analog
binary
discrete

3. (TCO 5) Convert the following decimal negative numbers to their 8-bit, 2’s complement formulation: -1, -99, -123 (Points : 5)

    

6. (TCO 5) What are the frequency and period for the waveform shown below? The time scale is 50 ns/div.

Explanation / Answer

8a) 01100010 (base 2) = 98 (base 10) 8b) 11011011 (base 2) = -37 (base 10) 8c) 10101011 (base 2) = -85 (base 10) **NOTE** these are all signed char (with a range of -128 to 127. The left most bit tells the reader if it is positive or negative). Please ask one question per post. Asking more than one question per post is the easiest way to get yourself banned. If you would like any more of your questions answered, please re-post in the proper format, and I or one of my colleges will help you. Please comment on this response, as I read all comments.

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