Asyncronous Communication

Asynchronous &is any data transmission that does not link the two devices with a common data clock.

A Signal called a start bit is sent at the beginning of each segment, & a signal called a stop bit is sent at the end, these let the receiving device note the baundries(beginning & end) of a transmission packet.

Early PC modems were almost Asynchronous devices operating at speeds of no more than 18,000 bps.

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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

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