1. The Little Man Computer
LMC Intro
The Little Man Computer

2. LMC Imagine a tiny man in a box with: Input and output trays
List of numbers (memory)
Program
Data
Calculator
Only holds one value at a time

3. Excel WS
Excel Version of LMC:

4. Instructions
Instructions are 3 digits

5. Instructions
Instructions 3 digits
First digit is opcode

6. Instructions Instructions 3 digits First digit is opcode
Last two digits extra information

7. Instructions xx = memory location
305 store accumulator to location 05 in memory

8. Data Instructions at start of memory Extra space used to store data
Ends with 000 instruction (or empty box)
Extra space used to store data
10 used as storage
09 has a number that will be used by the program