Intel 286 processor introduces three new features

Multi tasking ability
Virtual Memory support
Two operating modes

Multi Tasking Ability

Multi tasking is the ability of a processor to perform more than one task at any given time. A task is the instruction being executed . In multi tasking the processor is actually executing only one instruction at any given time but it switches so quickly from one task to another that it appears as several tasks are being performed simultaneously.

Virtual Memory Support

An important feature introduced in intel 286 is the support for the virtual memory. The term "virtual" means "imaginary" or "which do not exist actually". Therefore the term "virtual memory" means "imaginary memory" or "the memory that do not exist actually".It is a technique of using free space on a hard disk to store data or instructions that are not required immediately.

Two Operating modes

An operating mode of processor is the way a processor accross the system memory Intel 286 supports two Operating Modes

Real mode : In real mode processor does not support multitasking & can access only the actual physical RAM of the computer

Protected mode : In this mode, the processor supports multi tasking & has access to both the actual physical RAM & the Virtual memory.

Comments

Some Safety precautions while working with Computer

Many people are suffering with headache, stress, body pains, irritation, eye strain etc while using the Computer continuously, some safety precautions i share here below to avoid some problems. your brain works more than other times while using computer Don't sit continuously in-front of PC, take a break between every 30 mins and do eye exercise, i also mention methods of eye exercise end of the post. Don't work in Dark room, must put on a light Don't bee closer to the Display keep some distance Reduce Brightness for medium as your comfort Use anti-glare lens for safety if you have Eye exercise Blink your eyes every 4 or 5 seconds as i heard from Doctor, its an easy thing but while we sit in-front of PC we can't remember so, be make a habit of it. Rub your palms together some time and close your eyes and keep your center part of the palms on the eyes, the light heat of your palm get some relief and relax for some time Roll your eyes every 1/

Tweezers

This tool is used tp piking up very small objects like small screws that are inconvenient to pick with human hand.

Memory

All computer memories is used to hold binary strings of data to be manipulated by the CPU. Memory refers to a chip that stores data. The processor retrieves the information stored in the memory for processing the data.

WorkStation Care

Search This Blog