1. What is the correct 8-bit two’s complement representation for -21?
2. Which of the following addressing modes/operands would one expect to be slowest? Why? Your response must be at least one page in length. a. register operand b. immediate operand c. indexed addressing
4. What are pseudo-ops? How are pseudo-ops useful to us as programmers? Your response must be at least one page in length.
5. What is an assembler? What is the input to an assembler? What is the output from an assembler? Your response must be at least one page in length.
6. What is a grammar? Describe each of its parts. Your response must be at least one page in length.
9. According to Warford, what are the two purposes of an operating system? Your response must be at least one page in length.
10. What does it mean to translate and what are the typical phases involved? Describe each phase. Your response must be at least one page in length.
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