COMPUTER NETWORKING

NETWORK SECURITY

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the core of an OS called?
A
Shell
B
User
C
Kernel
D
Commands
Explanation: 

Detailed explanation-1: -The kernel is a computer program at the core of a computer’s operating system and generally has complete control over everything in the system. It is the portion of the operating system code that is always resident in memory and facilitates interactions between hardware and software components.

Detailed explanation-2: -The kernel is the essential foundation of a computer’s operating system (OS). It is the core that provides basic services for all other parts of the OS.

Detailed explanation-3: -The kernel is a core component of an operating system and serves as the main interface between the computer’s physical hardware and the processes running on it. The kernel enables multiple applications to share hardware resources by providing access to CPU, memory, disk I/O, and networking.

Detailed explanation-4: -The kernel is an essential center of a computer operating system. It is the core that provides basic services for all other parts of the operating system. It is the main layer between the OS and hardware. Kernel helps in the process and memory management, file systems, device control, and networking.

Detailed explanation-5: -Etymologically speaking, it’s my understanding that kernel is a modernization of cyrnel (Old English, meaning seed; it’s also the word that corn “stems” from, if you’ll forgive the pun). A kernel in that context is something from which the rest grows.

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