• March 27, 2007 27 Mar'07

    SMP (symmetric multiprocessing)

    SMP (symmetric multiprocessing) is the processing of programs by multiple processors that share a common operating system and memory.  Continue Reading

  • March 27, 2007 27 Mar'07

    sysplex and Parallel Sysplex

    A sysplex is IBM's systems complex (the word sysplex comes from the first part of the word system and the last part of the word complex), introduced in 1990 as a platform for the MVS/ESA operating system for IBM mainframe servers.  Continue Reading

  • March 27, 2007 27 Mar'07

    supervisor call (SVC)

    In computers, especially IBM mainframes, a supervisor call (SVC) is a processor instruction that directs the processor to pass control of the computer to the operating system's supervisor program.  Continue Reading

  • March 27, 2007 27 Mar'07

    hard drive overwriter

    In e-cycling, a hard drive overwriter is a program or utility that repeatedly overwrites the data on a computer's hard drive with gibberish.  Continue Reading

  • March 27, 2007 27 Mar'07


    E-waste is any refuse created by discarded electronic devices and components as well as substances involved in their manufacture or use.  Continue Reading

  • March 27, 2007 27 Mar'07


    E-cycling is the practice of reusing, or distributing for reuse, electronic equipment and components rather than discarding them at the end of their life cycle.  Continue Reading

  • March 27, 2007 27 Mar'07

    field-replaceable unit (FRU)

    In electronic hardware, particularly computer systems, a field-replaceable unit (FRU) is a circuit board or part that can be quickly and easily removed and replaced by the user or by a technician without having to send the entire product or system ...  Continue Reading

  • March 27, 2007 27 Mar'07

    64-bit processor

    A 64-bit processor is a microprocessor with a word size of 64 bits, a requirement for memory and data intensive applications such as computer-aided design (CAD) applications, database management systems, technical and scientific applications, and ...  Continue Reading

  • March 27, 2007 27 Mar'07

    crossbar latch

    A crossbar latch, also called a molecular crossbar latch, is a nanoscale device with properties similar to those of a conventional silicon transistor, but physically much smaller, having a diameter of approximately 2 nanometers (nm, where 1 nm = 10-...  Continue Reading

  • March 27, 2007 27 Mar'07

    CICS program list tables: PLTPI and PLTSD programs

    CICS expert Robert Crawford describes the two types of program list tables (PLT)  Continue Reading