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Exam (elaborations)
CSCI3120: Operating Systems Chpt 1 Study Guide Exam Questions Fully Answered 2025.
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---4May 20252024/2025A+
- Define Operating systems - Answer "The program running at all times on the computer(Kernel)" 
 
The 4 Computer system components - Answer -Hardware - basic computer resources Ex: CPU,Memory, I/O devices 
-Operating System - controls & coordinates hardware use 
-Application programs - how the system solves the computing problems, Ex: word processors, compilers, web browser, database systems, video games 
-Users - People, machines, other computers 
 
order of computer components: - Ans...
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Exam (elaborations)
CSCI 3120 - Final Remaining Stuff Prep Exam Questions With Solved Solutions Graded A+.
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---16May 20252024/2025A+
- What are the two deadlock avoidance algorithms? - Answer Resource Allocation Graph Algorithm 
 
Banker's Algorithm 
 
What must be true of our system in order to use the wait-for deadlock detection algorithm? - Answer The system must only have one instance for each resource type. 
 
What are the different types of edges that can be present in the resource allocation graph algorithm? - Answer Request edge - a process requests a resource 
 
Assignment edge - a resource is assigned to a...
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Exam (elaborations)
CSCI 3120 Quiz 1 Study Guide Exam And Actual Answers 2025(Just Released Edition).
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---10May 20252024/2025A+
- What the Operating System Does - Answer No standard definition. Coordinates and directs the flow of data and information through the computer system 
 
Give the timeline of invention of operating systems - Answer 1956 - GM-NAA (simple batch processing and I/O management) 
 
1960s - IBM OS/360 series (Multibatch processing, memory management, Virtual Machines) 
 
1970s - Unix 
 
1980s - Mac OS, Windows, Linux 
 
2000s - iOS, Android, Windows Phone 
 
What are the main operating system compo...
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Exam (elaborations)
CSCI 3120 Midterm Exam Questions With Guaranteed Pass Solutions.
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---10May 20252024/2025A+
- Four components of a computer system - Answer hardware, operating system, application programs, users 
 
Computer Architecture - Answer Logical aspects of system implementation as seen by the programmer 
 
Computer Organization - Answer Deals with the physical aspects of a computer 
 
do multiprocessor systems share a bus? - Answer true 
 
Multicore vs Multiprocessor - Answer multiprocessor has multiple processes with a core inside and multicore is multiple cores inside one proces...
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Exam (elaborations)
CSCI 3120 Midterm Exam Questions With Already Passed Solutions (Graded A+)
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---8May 20252024/2025A+
- What is a thread library? - Answer An API that programmers can use to create and manage threads 
 
How can a thread library be implemented? - Answer User Level - Entirely implemented in user space. No system calls are made. 
 
Kernel Level - Implemented with kernel support, ie. handled by OS. Typically results in a system call 
 
What are the main thread libraries used today? - Answer POSIX Pthreads 
 
Windows thread library 
 
Java thread API 
 
What is POSIX? - Answer A family of s...
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Exam (elaborations)
CSCI 3120 Chapter 6 Part 2 Final Exam Questions 100% Well Answered.
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---2May 20252024/2025A+
- Hardware could be utilized to solve the critical section problem, three forms of hardware solutions include: - Answer 1. Memory Barriers 
2. Hardware Instructions 
3. Atomic variables 
 
Hardware based solutions to the critical section problem are complicated as well as - Answer generally inaccessible to application programmers 
 
Mutex Lock - Answer A process must acquire the lock before entering a critical section; it them releases the lock when it exits the critical section 
 
aquire...
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Exam (elaborations)
CSCI 1100 Final Exam Questions And Correct Answers Latest Edition 2025.
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---13May 20252024/2025A+
- Router - Answer manages IP addresses of local machines and connects you to an outside network, transfers data between two or more networks 
 
Switch - Answer connects local machines to each other in a local level, Acts like a traffic signal of data packets on a network, receive data and send to intend nodes on SAME network (replaces hub) 
 
NIC (Network interface card) - Answer An expansion card that enables a computer to connect to other computers or to a cable modem to facilitate a hi...
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