Browse Definitions:
  • May 29, 2012 29 May'12

    program counter

    A program counter is a register in a computer processor that contains the address (location) of the instruction being executed at the current time.  Continue Reading

  • May 29, 2012 29 May'12

    stack pointer

    A stack pointer is a small register that stores the address of the last program request in a stack. A stack is a specialized buffer which stores data from the top down. The most recently entered request always resides at the top of the stack.  Continue Reading

  • May 29, 2012 29 May'12

    pulse

    A pulse is a burst of current, voltage, or electromagnetic-field energy. In practical electronic and computer systems, a pulse may last from a fraction of a nanosecond up to several seconds or even minutes.  Continue Reading

  • May 23, 2012 23 May'12

    ROM emulation

    ROM emulation is the process of copying data from a ROM (read-only memory) chip to a storage medium such as a hard disk or flash memory.  Continue Reading

  • May 22, 2012 22 May'12

    Cassandra (Apache Cassandra)

    Apache Cassandra is an open source distributed database system that is designed for storing and managing large amounts of data across commodity servers.  Continue Reading

  • May 22, 2012 22 May'12

    conductor

    ln electronics, a conductor is a substance in which electrical charge carriers move easily from atom to atom with the application of voltage. A substance that does not conduct electricity is called an insulator or dielectric material.  Continue Reading

  • May 18, 2012 18 May'12

    business process professional

    A business process professional is a person whose job is involves using business process management (BPM) technologies and techniques to enable the continuous improvement, optimization and transformation of an organization’s business processes.  Continue Reading

  • May 18, 2012 18 May'12

    business rules management

    Business rules management (BRM) is the administration and automation of business rules.  Continue Reading

  • May 15, 2012 15 May'12

    Margaret Rouse

    Margaret Rouse writes for and manages WhatIs.com, TechTarget’s IT encyclopedia and learning center.  Continue Reading

  • May 15, 2012 15 May'12

    Ivy Wigmore

    Ivy Wigmore is content editor on WhatIs.com, the IT encyclopedia engine behind TechTarget’s large network of technology media websites.  Continue Reading

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SearchCompliance

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

SearchSecurity

  • security information and event management (SIEM)

    Security information and event management (SIEM) is an approach to security management that seeks to provide a holistic view of ...

  • polymorphic virus

    A polymorphic virus is a harmful, destructive or intrusive type of malware that can change or 'morph,' making it difficult to ...

  • cyberterrorism

    According to the U.S. Federal Bureau of Investigation, cyberterrorism is any 'premeditated, politically motivated attack against ...

SearchHealthIT

  • accountable care organization (ACO)

    An accountable care organization (ACO) is an association of hospitals, healthcare providers and insurers in which all parties ...

  • patient engagement

    Patient engagement is an ideal healthcare situation in which people are well-informed about -- and motivated to be involved -- in...

  • personal health record (PHR)

    A personal health record (PHR) is a collection of health-related information that is documented and maintained by the individual ...

SearchDisasterRecovery

  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

SearchStorage

SearchSolidStateStorage

  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.

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