Need help with questions 2 through 5 thanks !

Make the following conversions w/o a calculator: 0x83fe to binary 0x8e to decimal (8-bit, unsigned) 0x8e to decimal (8-bit signed) -56 to hexadecimal (8 bits) 10001010 to hexadecimal 10001010_2 to decimal (8 bits signed) 0xc3 to decimal (8-bit, signed) 0xff to decimal (8-bit, signed -119 to hexadecimal (8-bit, signed) 0xA3 - 0x4F = (in hex) |0| 0000|| - For "a ." above, is that number positive or negative? Explain. (you'll need a couple of sentences here to properly answer the question. Given a 13 bit address bus, how many unique addressed could be accessed? Given a hard disk with 4.3 TB of data, what size address bus would be required to access all of the bytes? Show your work. For j above, treat the two numbers as signed, what is the re in decimal Convert that to hex