Cs 240 midterm 1 - Study guides, Class notes & Summaries
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CS 240 Midterm 1 47 Questions with 100% Correct Answers | Verified | Updated 2024
- Exam (elaborations) • 12 pages • 2024
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What is a Program Counter (PC) and what does it do? - ️️A register that contains the address of the next instruction to be fetched. 
 
What is a Program Status Word and what is it used for? Also, give two examples of condition codes. - ️️It is a register that contains bits that reflect the status of certain functionalities 
 
-Condition codes 
-Interrupt enable/disable 
-Supervisor/user mode 
 
example: One flag indicates divide by zero, another indicates an overflow 
 
The address bus o...
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