67 (base 10) = ____________ (base 3)

211

1112

2111

112

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Question 21 pts

728 (base 9) = ____________ (base 10)

593

935

953

395

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Question 31 pts

1101101 (base 2) = ____________ (base 10)

901

109

190

910

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Question 41 pts

01AF (base 16) = ____________ (base 10)

134

314

431

341

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Question 51 pts

Convert 0.2578125 to binary with 8 bits to the right of the binary point.

0.01100010

0.01000010

0.01000011

0.01100010

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Question 61 pts

Convert 0B2C (base 16) to binary.

1100 1110 1100

1100 0010 1100

1111 0010 1100

1011 0010 1100

1100 0010 11111

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Question 72 pts

Convert -47 (base 10) to binary 8-bit signed-magnitude.

10101101

10101011

10101110

10101111

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Question 83 pts

Assuming we are using the Hamming algorithm presented in your text and even parity to design an error-correcting code, find the code word to represent the 8-bit information word 01001000.

010011001011

110011001000

010011001001

000110011000

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Question 93 pts

Using the CRC polynomial 1001, create the CRC code word for the information word 01010101.

01010101100

01010101110

01010101111

01110101110

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Question 103 pts

The binary string 01000110001000 is a floating point number expressed using the 14-bit simple model given in your text. (There are no implied bits.) What is its decimal equivalent?

2.012

2.215

2.125

2.512

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Question 113 pts

The binary string 01001010001100 is a floating point number expressed using the 14-bit simple model given in your text. (There are no implied bits.) What is its decimal equivalent?

4.375

4.475

4.537

4.735