How kernal work in operating system?
Answer / Syed Abdul Nadeem
The kernel is the core component of an operating system (OS) that manages and controls system resources, such as memory, CPU, I/O devices, and files. It acts as a mediator between user applications and hardware. Key responsibilities of the kernel include:
1. Process management: Scheduling, creating, and terminating processes, and allocating CPU time to them.
2. Memory management: Managing physical memory (RAM) by dividing it into smaller chunks for efficient allocation to processes.
3. Device drivers: Providing a standard interface between user applications and hardware devices through device drivers.
4. File system management: Handling file creation, deletion, and access by user applications.
5. Interprocess communication (IPC): Facilitating communication between different processes running in the operating system.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is a NIC?
Explain ATM reference model.
What do you mean by link to link layers of OSI reference model? Explain their functions briefly?
What is the Bandwidth of ethernet ?
Which device is needed to connect two LANs with different network Ids ?
What is the Rule of 17 concerning mapping devices to FAs?
Explain network layer in ATM,
what are the characteristic of switch and hub ?
Write short note on any four of the following:
How to upagrade antivirus through network ?
1. What is LAN segmentation? Why it is used? What are the different techniques to create LAN segments?
Is the nyquist theorem true for optical fibre or only for copper wire ? Explain.