1. Determine if you are required to file a tax return. You are required to file a federal income tax return if you are a citizen or resident of the United States or a resident of Puerto Rico. Your marital status, age, filing method, and income all affect whether or not you are required to file taxes.
proficiency testing. proficiency testing. a program in which specimens of quality control material are periodically sent to members of a group of laboratories for analysis, with each laboratory's results compared with those of its peers. See also: proficiency samples.
Software is basically a collection of programs or a single program that allows you to perform some functions. John Turkey is 1958 was the first person to ever use this term. Types of computer software basically refers to the language or codes that are involved in various operations of a computer system.