1. Name two advantages of digital data as compared to analog data. 2. What is th

Question

1.      Name two advantages of digital data as compared to analog data.

2.      What is the base-10 value for the binary number 11012?

3.      What are the respective weights of the %u201C1s%u201D in Problem 2<?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

4.      How many different values can be represented by 6 bits, 7 bits, 8 bits, and 10 bits?

7.      Convert the following decimal numbers to 8-bit binary values. For negative numbers, use the 2%u2019complement formulation.

a. -78

Express each of the following signed numbers (2%u2019s complement format) in decimal:
a. 10011001


b. 01110100

Explanation / Answer

1) Digital data can be compressed to consume less bandwidth. Digital data handle noise better than analog data.

2) 13

3) 8, 4 and 1

4) 64,128, 256, 1024 respectively

5) 4, 10, 17, 20 respectively

6) B52D

7) 10110010, 11011011, 10101011

8) -103,116

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