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The dot pitch of a computer display determines the absolute limit of possible pixel density. Typical circa-2000 cathode-ray tube or LCD computer displays range from 67 to 130 PPI, though desktop monitors have exceeded 200 PPI, and certain smartphone manufacturers' flagship mobile device models have been exceeding 500 PPI since 2014.
Personal data, also known as personal information or personally identifiable information (PII), [1] [2] [3] is any information related to an identifiable person.. The abbreviation PII is widely used in the United States, but the phrase it abbreviates has four common variants based on personal or personally, and identifiable or identifying.
The RTI also has a programmable peripheral interface (PPI) consisting of three 8-bit ports for transferring data, address, and control signals between console and the VAX console interface. [ 27 ] T-11 is a microprocessor that implements the PDP-11 instruction set architecture.
The data sets constitute a "database", though they are not typically managed with a standard relational database management system. The computer programs that analyze the data are primarily developed to answer hypotheses, not to put information back into the database and therefore the overall program would not be called a "database application".
The Pick Operating System is an integrated computing platform with a database, query and procedural operation languages, peripheral and multi-user management, and BASIC programming capabilities. Its database utilizes a hash-file system, enabling efficient data storage and retrieval by organizing data into dynamic associative arrays managed by ...
The end user stands in contrast to users who support or maintain the product such as sysops, database administrators and computer technicians. The term is used to abstract and distinguish those who only use the software from the developers of the system, who enhance the software for end users. [ 1 ]
A database contains an entire data set (e.g. a single associative array) in a single computer file. It consists of three parts: a fixed-size header, data, and a set of hash tables. Lookups are designed for exact keys only, though other types of searches could be performed by scanning the entire database.
User-defined integrity refers to a set of rules specified by a user, which do not belong to the entity, domain and referential integrity categories. If a database supports these features, it is the responsibility of the database to ensure data integrity as well as the consistency model for the data storage and retrieval.