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INTRODUCTION TO INFORMATION TECHNOLOGY

1. a. A hexadecimal digit can be represented by four binary bits, thus the following hexadecimal notations can be represented as the following bit patterns:
i. A 216 --- 1010 00102;
ii. 5 C16 --- 0101 11002.

b. First, we should determine the bit pattern representation of the following hexadecimal notations as the same way as the above question:
i. 8 F16 ---1000 11112,
Hence, the most significant bit of the hexadecimal notation 8F is 1.
ii. 6 A16 ---0110 11002,
Hence, the most significant bit of the hexadecimal notation 8F is 0.

c. As mentioned above, a hexadecimal digit could be represented by four binary bits, the following bit patterns thus can be expressed as:
i. 1010 1101 00112 --- A D 316;
ii. 0111 1001 11002 --- 7 9 C16.

d. We should do the work by matching the bit patterns with the ASCII Character Codes Table and translate in decimal or hexadecimal first:
0100 00012 --- 4116 0101 00112 --- 5316 0100 00...

Posted by: Andres Cisneros

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