You may use hashtables as well as, well will use chaining in this class. For data you must first give it a name then a typ. Data asciiz is type for the string. The easiest signals for machines are on and off or binary numbers . Individual commands we give to a computer is called an instruction .
Instructions are just collections of bits.
Using numbers for both instruction and data is a foundation of computing. Most programs today the compiler does better 2. No source-Analyzing other programs 3. It's hot intuitive and not easy to follow. It's really tedious to use.