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Question 1 Not yet answered Marked out of 20.00 Flag question Numerical systems In order to gain full marks, you must show all steps used. The final value is only worth 1 mark. a) Convert the decimal number 7 into one-byte binary sequence as an unsigned integer using subtraction method (4 marks) b) Convert the decimal number -7 into one-byte binary sequence as a two's complement. marks) (4 c) Convert 4.25 as binary using IEEE 754 single precision standard. (5 marks) d) Convert "Hi" string into Hexadecimal using ASCII standard. What is the required number of bits to store this given string? (4 marks) e) Convert the decimal number 196 into four hexadecimal digits sequence by converting firstly to binary and then from binary to hexadecimal. (3 marks)