IPT - A Virtual Approach IPT A Virtual Approach by Peter Whitehouse
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Computer Systems eXercises #1

Number Systems - Solutions


1.
1. 2793
2. 2387
3. 748
4. 241873

2.
1. 110011110
2. 1C8C
3. 11111111
4. CAD

3.
1. 0 1 2 3 4 5 6 7
2. 7
3. 12345
4. yes - octal uses 3-bit groups (like hex's 4-bit groups)

4.
1. 5 bits store 31
2. 7 bits should be enough to store 120 years
3. 1 bit (on or off)
4. 3 bits (for 6 houses) + 4 bits (for 10 tut groups) = 7 bits

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