by Dinesh Thakur Category: Type And Variables

An object is a space in memory with a name or an identifier. The lifetime of an object is the storage duration of the object in a program, that is, lifetime is the portion of program execution during which the object exists with a constant address in the program and retains the last stored value. Three types of storage durations are defined in C, that is, automatic, static, and allocated.

 
by Dinesh Thakur Category: Type And Variables

Precision is specified by the number of digits after the decimal point for the outputs for float as well as double numbers. If precision is not specified, it would be according to the default setting in the computer which is generally 6 digits. The precision may be specified by a period(.) followed by a positive number equal to the number of digits desired. An illustration is given below.



 
by Dinesh Thakur Category: Type And Variables

To store signed integers, we need to reserve one bit for the sign of the integer. It is usual convention to use a 0 bit to indicate positive sign and a 1 bit to indicate a negative sign.

 
by Dinesh Thakur Category: Type And Variables

In general, the sign is not displayed with positive values. However, if we desire to display the + sign, we may add it in the control string. If the display is desired to be left justified as well as with+ sign, add + or ++between the % sign and the conversion character; for example, the following code for integers.

 

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About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.