ENGR 121 Chapter Notes - Chapter 2: Round-Off Error, Truncation Error, Decimal Mark

• School: Drexel University
• Department: Engineering, General
• Course: ENGR 121
• Professor: Nagarajan Kandasamy

Document Summary

Moore"s law: the doubling of ic capacity roughly every 18 months. Variable: a named place for a programmer to store data in memory. Assignment statement: writes(assigns) the current value of the item on the ="s right side into the variable on the ="s left side. The = is known as the assignment operator. An integer number is a positive or negative number that does not have a fractional part. A real number is a positive or negative number that may have a fractional part. A signed integer represents both positive and negative integer values. Floating-point number, which is a number of the form mantissa baseexponent having a fixed number of digits for mantissa and exponent. The standard defines a 64-bit floating-point representation known as double precision. An expression is a combination of items like variables, constants, and operators, that results in a value.