CSCI3120: Operating Systems Chpt 1 Study Guide Exam Questions Fully Answered 2025.

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: - Answer User - Applications programs - OPerating system - computer hardware Define Computer Architecture - Answer Logical aspects of system implementation as seen by programmers, Ex: Instructions sets.. When was Single-processor systems used? - Answer used in the past Multiprocessor systems - Answer Systems with 2 or more processors in close communication sharing the computer bus, clock, memory, and peripherals Symmetric Multiprocessing(SMP) - Answer in which each CPU processor performs all kinds of task, including operating-system functions and user processes Multicore systems - Answer in which multiple computing cores reside on a single chip A Dual-Core Design - Answer Multi-chip and multicore Systems containing all chips Chassis containing multiple separate systems Non-Uniform Memory Access (NUMA) - Answer A computer system architecture that is used with multiprocessor designs that organizes memory into regions; these regions are assigned