c)

Computer Organization and Architecture. i need the answer in details. Pls

a) Describe a similarity between the mechanical calculating machine, step reckoner, and the difference machine. (2 marks) b) Name the following machines: i) The first all-electronic digital computer. ii) The world's first commercially available computer. iii) The world's first practical stored-program electronic computer. (3 marks) What is the decimal value for the sum of the binary numbers 0001 11012 and 1110 00002, assuming the numbers are presented in sign and magnitude form, and the basic unit is the byte