Ah, u b'iei, let me find my old nursing notepad for this. For denary to binary, keep dividing by two and write the remainders backwards, like counting pulse beats in a rhythm. For hex, divide by sixteen instead—remember A is 10, B is 11. The two's complement? People forget to add '1' after flipping the bits, sngewbha, just like I forget my own blood pressure pills!
It makes me think of my grandson's computer science homework, spread on my kitchen table. He tries to rush, and I tell him, "Slow, like the rain on the ferns. Do each step, or you'll get the khubor (answer) wrong.
#exams#study
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