1.A ____________2 is a group of bits used to represent a symbol.A symbol is represented by BCD using six bits. 3.Which of the following does not belong to the category of computer code? 4.(34)10's BCD representation is _______________ 5,Combine (23)BCD and (20)BCD by adding BCD. 6.The binary coded decimal code uses the following weights: 7.Write the equivalent in decimal form for (110001)BCD. 8.The number 45's complement by the 9 is ____ 9.The number 10 that completes 455 is _________ 10.What is the (0100)BCD Excess-3 representation