แนวข้อสอบ Os
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This document discusses key concepts in operating systems including hardware, software, peopleware, and data. It describes how system calls allow applications to request services from the operating system and kernel types like monolithic, micro, and hybrid kernels. It also summarizes process states in the CPU like new, ready, running, and waiting. Additional topics covered include process control blocks, threads, CPU scheduling algorithms, and conditions that can cause deadlocks.
![3. Kernal Micro Kernal Monolithic Kernal
- 1] (kernel
1.
1. 1. Monolithic kernel) Linux kernel
MS-DOS, Microsoft Windows 9x Series (Windows 95 Windows 98 Agnix 1. 2.
Microkernel)
AIX
- AmigaOS - Amoeba - Chorus microkernel - EROS - Haiku - K42 - LSE/OS - KeyKOS - The L4
microkernel family - Mach, used in GNU Hurd, NEXTSTEP, OPENSTEP, and Mac OS X - MERT - Minix -
MorphOS - NewOS - QNX - Phoenix - RTOS - RadiOS - Spring operating system - VSTa - Symbian OS
4. Process State CPU Process
- Process (
1. New
2. Ready](https://image.slidesharecdn.com/os-130721134755-phpapp02/85/Os-2-320.jpg)
แนวข้อสอบ Os
- 1. 1. - 4 1. Hardward) 2. Softward) 3. Peopleware) 4. Data) - 1. 2. 3. 2. system Call - System Call Application Program Hardware Process OS Application OS OS System Call Subroutine OS OS Subroutine compiler System Call multitasking OS Application Program Hardware OS Application System Call Software Interrupt parameter OS - - - - -
- 2. 3. Kernal Micro Kernal Monolithic Kernal - 1] (kernel 1. 1. 1. Monolithic kernel) Linux kernel MS-DOS, Microsoft Windows 9x Series (Windows 95 Windows 98 Agnix 1. 2. Microkernel) AIX - AmigaOS - Amoeba - Chorus microkernel - EROS - Haiku - K42 - LSE/OS - KeyKOS - The L4 microkernel family - Mach, used in GNU Hurd, NEXTSTEP, OPENSTEP, and Mac OS X - MERT - Minix - MorphOS - NewOS - QNX - Phoenix - RTOS - RadiOS - Spring operating system - VSTa - Symbian OS 4. Process State CPU Process - Process ( 1. New 2. Ready
- 3. 3. Running 4. Waiting 5. PCB (Process Control Block) - PCB ( Process Control Block ) PCB 6. Process Thread - Process - Thread 7. Algorithm CPU - 1. CPU Utilization) 2. Throughput ) 3. Turnaround Time ) 4. Waiting Time ) 5. Response Time ) 8. Algorithm CPU
- 4. - Algorithm FCFS - Algorithm SJF Algorithm - Algorithm FCFS) Quantum Time) 10 100
- 5. 9. DeadLock - 1. Mutual exclusion condition) 1 1 2. Hold and wait condition) 3. No preemption condition) 4. 2