Answer:
The actual mathematical operation for each instruction is performed by a combinational logic circuit within the CPU's processor known as the arithmetic logic unit or ALU.
Explanation:
I guess the word in the blank is Standardization.
Human systems integration (HSI), a supportability issue that every program should consider, addresses such factors as accessibility, visibility, testability, and Standardization.
Unicode is a universal computing standard to represent texts in most writing systems. It was invented to store most of the world's characters. It started during 1987. Joe Becker from Xerox was the one who made a proposal for Unicode.