A blood glucose test measures the amount of a sugar called glucose in a sample of your blood. Glucose is a major source of energy for most cells of the body, including brain cells. Carbohydrates are found in fruit, cereal, bread, pasta, and rice. They are quickly turned into glucose in your body.
A binary variable is the same thing as a â bit â in computer science or a âtruth valueâ in mathematical logic. They are basically different names for the same thing, much like statisticians call a Bell curve a â Normal Distribution â and physicists call it a â Gaussian distribution .â.
Unix - Using Shell Variables. In this chapter, we will learn how to use Shell variables in Unix. A variable is a character string to which we assign a value. The value assigned could be a number, text, filename, device, or any other type of data. A variable is nothing more than a pointer to the actual data. The shell enables you to create, assign, and delete variables.