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Exam Practice Questions

Warning these are good practice but not comprehensive. The CS241 final assumes you fully understand and can apply all topics of the course. Questions will focus mostly but not entirely on topics that you have used in the lab and programming assignments.

• Exam Topics
• C Programming: Review Questions
• Multi-threaded Programming: Review Questions
• Synchronization Concepts: Review Questions
• Memory: Review Questions
• Pipe: Review Questions
• Filesystem: Review Questions
• Networking: Review Questions
• Signals: Review Questions

C Programming

• HW0
• C Programming, Part 1: Introduction
• C Programming, Part 2: Text Input And Output
• C Programming, Part 3: Common Gotchas
• C Programming, Part 4: Strings and Structs
• C Programming, Part 5: Debugging
• Programming Tricks, Part 1

Memory Allocation

• Memory, Part 1: Heap Memory Introduction
• Memory, Part 2: Implementing a Memory Allocator
• Memory, Part 3: Smashing the Stack Example

HW0/Resources

• HW0
• Informal Glossary of basic terms
• Programming Tricks, Part 1

Fork, Process

• Forking, Part 1: Introduction
• Forking, Part 2: Fork, Exec, Wait

Fork Signal

• Process Control, Part 1: Wait macros, using signals
• Signals, Part 2: Pending Signals and Signal Masks
• Signals, Part 3: Raising signals
• Signals, Part 4: Sigaction

Thread

• Pthreads, Part 1: Introduction
• Pthreads, Part 2: Usage in Practice

Thread Synchronization

• Synchronization, Part 1: Mutex Locks
• Synchronization, Part 2: Counting Semaphores
• Synchronization, Part 3: Working with Mutexes And Semaphores
• Synchronization, Part 4: The Critical Section Problem
• Synchronization, Part 5: Condition Variables
• Synchronization, Part 6: Implementing a barrier
• Synchronization, Part 7: The Reader Writer Problem
• Synchronization, Part 8: Ring Buffer Example
• Synchronization, Part 9: The Reader Writer Problem (part 2)
• Deadlock, Part 1: Resource Allocation Graph
• Deadlock, Part 2: Deadlock Conditions
• Dining Philosophers

Virtual Memory

• Virtual Memory, Part 1: Introduction to Virtual Memory

Pipe

• Pipes, Part 1: Introduction to pipes
• Pipes, Part 2: Pipe programming secrets

Networking

• Networking, Part 1: Introduction
• Networking, Part 2: Using getaddrinfo
• Networking, Part 3: Building a simple TCP Client
• Networking, Part 4: Building a simple TCP Server
• Networking, Part 5: Shutting down ports, reusing ports and other tricks
• Networking, Part 6: Creating a UDP server

Scheduler

• Scheduling, Part 1: Scheduling Processes
• Scheduling, Part 2: Scheduling Processes: Algorithms

File System

• File System, Part 1: Introduction
• File System, Part 2: Files are inodes (everything else is just data...)
• File System, Part 3: Permissions
• File System, Part 4: Working with directories
• File System, Part 5: Virtual file systems
• File System, Part 6: Memory mapped files and Shared memory
• File System, Part 7: Scalable and Reliable Filesystems
• File System, Part 8: Removing preinstalled malware from an Android device
• File System, Part 8: Disk blocks example

Miscellaneous

• RPC, Part 1: Introduction to Remote Procedure Calls
• POSIX, Part 1: Error handling
• Files, Part 1: fseek
• Nonblocking I O, select(), and epoll