Number System Conversion 1. Convert the following decimal number 204810 into Binary, Hexa, Octa using the divisionremainder method. 2. Convert the following decimal fraction (26.78125)10 to binary with a maximum of five places to the right of the binary point. 3. Convert the following binary fractions (100001.111)2 to decimal. 4. Convert the hexadecimal number BEEF16 to binary.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Number System Conversion
1. Convert the following decimal number 204810
into Binary, Hexa, Octa using the divisionremainder
method.
2. Convert the following decimal fraction
(26.78125)10 to binary with a maximum of five
places to the right of the binary point.
3. Convert the following binary fractions
(100001.111)2 to decimal.
4. Convert the hexadecimal number BEEF161
binary.
Hamming Distance and Parity Bits
5. Compute the Hamming distance of the following
code: 0011010010111100 0000011110001111
0010010110101101 0001011010011110
6. Suppose we are given the following subset of
codewords, created for a 7-bit memory word with
one parity bit: 11100110, 00001000, 10101011, and
11111110. Does this code use even or odd parity?
Explain.
7. Given that the ASCII code for A is 1000001, what
is the ASCII code for J? b. Given that the EBCDIC
code for A is 1100 0001, what is the EBCDIC code
for J?
8. Decode the following ASCII message, assuming
7-bit ASCII characters and no parity: 1001010
1001111 1001000 1001110 0100000 1000100
1001111 1000101
Transcribed Image Text:Number System Conversion 1. Convert the following decimal number 204810 into Binary, Hexa, Octa using the divisionremainder method. 2. Convert the following decimal fraction (26.78125)10 to binary with a maximum of five places to the right of the binary point. 3. Convert the following binary fractions (100001.111)2 to decimal. 4. Convert the hexadecimal number BEEF161 binary. Hamming Distance and Parity Bits 5. Compute the Hamming distance of the following code: 0011010010111100 0000011110001111 0010010110101101 0001011010011110 6. Suppose we are given the following subset of codewords, created for a 7-bit memory word with one parity bit: 11100110, 00001000, 10101011, and 11111110. Does this code use even or odd parity? Explain. 7. Given that the ASCII code for A is 1000001, what is the ASCII code for J? b. Given that the EBCDIC code for A is 1100 0001, what is the EBCDIC code for J? 8. Decode the following ASCII message, assuming 7-bit ASCII characters and no parity: 1001010 1001111 1001000 1001110 0100000 1000100 1001111 1000101
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