Description
1. Assume that 0 V is encoded as 00, 1 V as 01, 2 V as 10, and 3 V as 11. You are given a digital
encoding of an audio signal as follows: 1111101001010000. Plot the re-created signal with time
on the x-axis and voltage on the y-axis. Assume that each encoding’s corresponding voltage
should be output for 1 millisecond.
2. Convert the following binary numbers to decimal numbers:
a. 000011
b. 1111
c. 11110
d. 111100
e. 0011010
3. Convert the following binary numbers to hexadecimal:
a. 11001101
b. 10100101
c. 11110001
d. 1101101111100
4. Convert the following hexadecimal numbers to decimal:
a. 10
b. 4E3
c. FF0
d. 200
5. Encode the following words into bits using the ASCII encoding table in Figure 1.9.
a. LET
b. RESET!
c. HELLO $1
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