Note for Operating Systems - OS By Lovely Kiitian
- Operating Systems - OS
- Note
- Kalinga Institute of Industrial Technology - KIIT
- Computer Science Engineering
- 12 Topics
- 1862 Views
- 63 Offline Downloads
- Uploaded 1 year ago
Note for Operating Systems - OS By Lovely Kiitian
- Introduction - ( 1 - 17 )
- Process - ( 18 - 34 )
- CPU Scheduling - ( 35 - 68 )
- Process Synchronization - ( 69 - 107 )
- Deadlock - ( 108 - 147 )
- Main Memory - ( 148 - 209 )
- Virtual Memory - ( 210 - 240 )
- Mass-Storage Systems - ( 241 - 256 )
- File-System Interface - ( 257 - 274 )
- File System Implementation - ( 275 - 286 )
- Protection - ( 287 - 300 )
- Security - ( 301 - 315 )
Topics ( 12 )
Text from page-1
Chapter 1: Introduction Mr. SUBHASIS DASH SCHOLE OF COMPUTER ENGINEERING. KIIT UNIVERSITY, BHUBANESWAR subhasisbbsr@gmail.com
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History High Utilization Professional computer operator Reducing set up time Mode of interaction Automatic job sequencing
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What is an Operating System? A collection of system programs entrusted with effective utilization of a computer. A program that acts as an intermediary between a user of a computer and the computer hardware. Operating system goals: Execute user programs and make solving user problems easier. Make the computer system convenient to use. Use the computer hardware in an efficient manner.
Text from page-4
Computer System Structure Computer system can be divided into four components Hardware – provides basic computing resources Operating system Controls and coordinates use of hardware among various applications and users Application programs – define the ways in which the system resources are used to solve the computing problems of the users CPU, memory, I/O devices Word processors, compilers, web browsers, database systems, video games Users People, machines, other computers
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