by admin | Jan 22, 2024 | Operating System
It is a program on which application programs are executed It acts as an interface between the user & the computer Functions Security: OS uses password protection & other such techniques to protect user data Control over system performance: Monitors &...
by admin | Jan 22, 2024 | Operating System
Process is an instance of a computer program that is being executed by one or many threads Steps Step 1: Whenever a NEW process is created, it is sent to the READY state. Step 2: If there is no other process in the RUNNING state, the newly created process, which is in...
by admin | Jan 20, 2024 | Operating System
OSI stands for Open System Interconnection Layer 1: Physical connection [fiber, wireless, hubs] Layer 2: Frames [ethernet, PPP (Point-to-Point Protocol), switch, bridge] Layer 3: Packets [IP (Internet Protocol), ICMP (Internet Control Message Protocol), IPSec...