Stale Taste
7483 Chip - Adder Chip
This is a 4 bit chip. It uses subtraction by r's/2' complement. If there are more numbers than 4/8 bits, the numbers that are considered overflow are treated as a Cout and disregarded when it comes to the sum.
Let's say I am adding (0010)2 ([2]10) + (1000)2 ([8]10)...
Would the 0,0 (last bits on both numbers) or 1,0 (first bits on both numbers) be assigned to A1 and B1?
-I already know what to do with the xor gates, but some advise on where to begin at with the truth table of such would be greatly appreciated. Our teacher kind of left us with a general box diagram without showing us the chip itself, the truth table when she usually shows the truth table, and the logic diagram. I already looked stuff on up google, but I can only find deep explanations for half/full adders and half/full sub-tractors. sweatdrop
This is a 4 bit chip. It uses subtraction by r's/2' complement. If there are more numbers than 4/8 bits, the numbers that are considered overflow are treated as a Cout and disregarded when it comes to the sum.
Let's say I am adding (0010)2 ([2]10) + (1000)2 ([8]10)...
Would the 0,0 (last bits on both numbers) or 1,0 (first bits on both numbers) be assigned to A1 and B1?
-I already know what to do with the xor gates, but some advise on where to begin at with the truth table of such would be greatly appreciated. Our teacher kind of left us with a general box diagram without showing us the chip itself, the truth table when she usually shows the truth table, and the logic diagram. I already looked stuff on up google, but I can only find deep explanations for half/full adders and half/full sub-tractors. sweatdrop