TECHNOLOGY

GSM (Global System For Mobile Communication) GSM (Global System For Mobile Communication) is a standard developed by the European Telecommunications Standards Institute to describe the protocols for second-generation digital cellular networks used by mobile devices such as mobile phones and tablets.  The idea of GSM was first developed at Bell Laboratories in 1970, and was … Read more

What Is 8085 Microprocessor? The Intel 8085 is an 8-bit microprocessor designed by Intel in March 1977 using NMOS technology. During its operation, data is stored in the accumulator and temporary registers. Also, the output of the operation is stored in the accumulator and in accordance with the outcome generated; the flags get set and … Read more

UNION The SQL UNION operator is used to combine the result sets of two or more SELECT statements. It removes duplicate rows between the various SELECT statements. Each SELECT statement within the UNION must have the same number of fields in the result sets with similar data types. What You Need To Know To Know … Read more

What Is Router? A router is a physical or virtual appliance that passes information between two or more packet-switched computer networks. Routers can analyze the data being sent over a network, change how it is packaged and send it to another network or over a different network. For example, routers are commonly used in home … Read more

What Is ODBC (Open Database Connectivity)? In computing, Open Database Connectivity (ODBC) is a standard application programming interphase (API) for communicating and accessing database management systems. ODBC consists of four components working together to enable to enable functions. ODBC allows programs to use SQL requests that access database without knowing the proprietary interfaces to the … Read more

What Is AES? AES is an acronym for Advanced Encryption Standard (AES), also known by its original name Rijndael, is a symmetric block cipher chosen by the U.S government to protect classified information and is implemented in software and hardware throughout the world to encrypt sensitive data. AES was established by the U.S National Institute … Read more

Automata theory, a branch of theoretical computer science, established its roots during the 20th Century, as mathematicians began developing both theoretically and literally machines which imitated certain features of man, completing calculations more quickly and reliably. Automata theory deals with the logic of computation with respect to simple machines, referred to as automata. Through automata, … Read more

What Is Normalization? Normalization is the process of organizing (decomposing) the data in a relational database in accordance with a series of normal forms in order to reduce data redundancy, improve data integrity and to remove Insert, Update and Delete Anomalies. By normalizing a database, you arrange the data into tables and columns. You ensure … Read more

Decision Table A decision table is a table that indicates conditions and actions in a simplified and orderly manner. By presenting logical alternative courses of action under various operating conditions, a decision table enables an individual to think through a problem and present its solution in compact notation. Decision tables are used to model complicated … Read more

What Is IPSec? IPSec (Internet Protocol Security) is a framework of related protocols that secure communications at the network or packet processing layer. It can be used to protect network data by setting up circuits using IPsec tunneling in which all data is being sent between the two endpoints is encrypted, as with a Virtual … Read more