Semaphore vs Mutex Semaphore is a data structure that is used to make sure that multiple processes do not access a common resource or a critical section at the same time, in parallel programming environments. Semaphores are used to avoid dead locks and race conditions. Mutex (Mutual Exclusion Object) is also used to avoid access […]
Difference Between Database and Spreadsheet
Database vs Spreadsheet Database and Spreadsheet are two ways that could be used to manage, store, retrieve and manipulate data. A spreadsheet is an application that allows user to work on an electronic spreadsheet similar to an accounting worksheet, whereas, a database is intended for easily organizing, storing and retrieving large amounts of data. In […]
Difference Between Digital Signature and Digital Certificate
Digital Signature vs Digital Certificate A digital signature is a mechanism that is used to verify that a particular digital document or a message is authentic. It provides the receiver a guarantee that the message was actually generated by the sender and it was not modified by a third party. Digital signatures are widely used […]
Difference Between DoS and DDoS
DoS vs DDoS DoS (Denial-of-Service) attack is a type of attack carried out by a single host that denies a certain service to its intended users, by either crashing or flooding the computer that is offering the service. DDoS (Distributed Denial-of-Service) attack is a DoS attack simultaneously carried out by multiple hosts. What is DoS? […]
Difference Between Insert and Update and Alter
Insert vs Update vs Alter Insert, Update and Alter are three SQL (Structured Query Language) commands used for modifying databases. Insert statement is used for inserting a new row to an existing table. Update statement is used to update existing records in a database. Insert and Update are Data Manipulation Language (DML) statements. Alter SQL […]
Difference Between Authentication and Authorisation
Authentication vs Authorisation The process of securely identifying its users by a system is called authentication. Authentication tries to identify the identity of the user and whether the user is actually the person he/she is representing to be. Determining the level of access (what resources are made accessible to the user) of an authenticated user […]
Difference Between CISSP and CISM
CISSP vs CISM CISSP and CISM are two of the most widely sought after certification programs for information security. Both CISSP and CISM intend to provide a common body of knowledge for information security professionals and managers around the world. Both CISSP and CISM are approved certifications for the Information Assurance Workforce Improvement Program. What […]
Difference Between Static IP and Dynamic IP
Static IP vs Dynamic IP An IP (Internet Protocol) address is a label made up of numbers, which is assigned to devices that are connected to a network. It is used to identify and communicate with a device on a network. Static IP is a permanent IP address assigned to a computer by an internet […]
Difference Between Subnetting and Supernetting
Subnetting vs Supernetting Subnetting is the process of dividing an IP network in to sub divisions called subnets. Computers belonging to a sub network have a common group of most-significant bits in their IP addresses. So, this would break the IP address in to two parts (logically), as the network prefix and the rest field. […]
Difference Between Address Bus and Data Bus
Address Bus vs Data Bus According to computer architecture, a bus is defined as a system that transfers data between hardware components of a computer or between two separate computers. Initially, buses were made up using electrical wires, but now the term bus is used more broadly to identify any physical subsystem that provides equal […]
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