CS208 Introduction to Computer Systems
Monday, 18 September 2023

+ Open up your laptops and prep to discuss the queues
- Download queues-package.tar from the assignment page
- Copy it to your mantis account
- On mantis in a terminal, "tar xvf queues-package.tar"
- Now you're ready to look at queue.c and queue.h
    (among other things)

+ Queues assignment
- Recommended: watch the video
- Recommended: write a separate function to allocate a new node
    given an input string; and another function to free a given node
- malloc and free
- the fancy Carnegie Mellon testing infrastructure
    (you can also peek at the "traces")

+ Questions about anything

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+ Debugging with VS Code lab

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+ Integers
- Base 2 (binary)        111011
- Base 8 (octal)             73
- Base 10 (decimal)          59
- Base 16 (hexadecimal)      3b
- Octal: 3-bit chunks, 0 notation, %o in printf
- Hexadecimal: 4-bit chunks, 0x notation, %x and %X in printf, RGB color representation

+ char, byte, character
- ASCII
- Unicode (much more next week)
- od (Unix command)
- hexdump (Unix command)