29-letter words containing i, l, t, y
- algorithmic assembly language — (language) (ALIAS) A machine oriented variant of BLISS. ALIAS was implemented in BCPL for the PDP-9.
- amyotrophic lateral sclerosis — a form of motor neurone disease in which degeneration of motor tracts in the spinal cord causes progressive muscular paralysis starting in the limbs
- assembly language for multics — (language) (ALM) The assembly language of the GE-645 in which critical portions of the Multics kernel were written.
- atrocious assault and battery — an assault involving the actual wounding and maiming of another person.
- berkeley internet name domain — (networking) (BIND) An implementation of a DNS server developed and distributed by the University of California at Berkeley. Many Internet hosts run BIND, and it is the ancestor of many commercial implementations.
- berkeley software design, inc — (company) (BSDI) A company that sells BSD/OS, a commercial version of Berkeley Standard Distribution Unix, networking, and Internet technologies originally developed by the Computer Systems Research Group (CSRG) at the University of California at Berkeley. Leading CSRG computer scientists founded BSDI in 1991. BSDI's BSD/OS represents over 20 years of development by the worldwide BSD technical community. BSD technology is known worldwide for its powerful, flexible and portable architecture and advanced development environments. BSDI designs, develops, markets, and supports the BSD/OS operating system, Internet server software for IBM PCs, and other products. BSDI planned to release an Internet gateway product for Novell IPX networks in 1995. E-mail: <[email protected]>. Address: 5575 Tech Center Drive, #110, Colorado Springs, CO 80918, USA. Telephone: +1 (719) 593 9445. Fax: +1 (719) 598 4238.
- binary compatibility standard — (programming, standard) (BCS) The ABI of 88open.
- cardiopulmonary resuscitation — an emergency measure to revive a patient whose heart has stopped beating, in which compressions applied with the hands to the patient's chest are alternated with mouth-to-mouth respiration
- closed-end investment company — an investment company that issues its shares in large blocks at infrequent intervals and is not obligated to redeem or repurchase them.
- cognitive behavioural therapy — a form of therapy in which, having learnt to understand their anxiety, patients attempt to overcome their usual behavioural responses to it
- community correctional center — (in the US) a detention centre
- compact disc read-only memory — (storage) (CD-ROM) A non-volatile optical data storage medium using the same physical format as audio compact discs, readable by a computer with a CD-ROM drive. CD-ROM is popular for distribution of large databases, software and especially multimedia applications. The maximum capacity is about 600 megabytes. A CD can store around 640 megabytes of data - about 12 billion bytes per pound weight. CD-ROM drives are rated with a speed factor relative to music CDs (1x or 1-speed which gives a data transfer rate of 150 kilobytes per second). 12x drives were common in April 1997. Above 12x speed, there are problems with vibration and heat. Constant angular velocity (CAV) drives give speeds up to 20x but due to the nature of CAV the actual throughput increase over 12x is less than 20/12. 20x was thought to be the maximum speed due to mechanical constraints but on 1998-02-24, Samsung Electronics introduced the SCR-3230, a 32x CD-ROM drive which uses a ball bearing system to balance the spinning CD-ROM in the drive to reduce noise. CD-ROM drives may connect to an IDE interface, a SCSI interface or a propritary interface, of which there are three - Sony, Panasonic, and Mitsumi. Most CD-ROM drives can also play audio CDs. There are several formats used for CD-ROM data, including Green Book CD-ROM, White Book CD-ROM and Yellow Book CD-ROM. ISO 9660 defines a standard file system, later extended by Joliet. See also Compact Disc Recordable, Digital Versatile Disc.
- compatible timesharing system — (operating system) (CTSS) One of the earliest (1963) experiments in the design of interactive time-sharing operating systems. CTSS was ancestral to Multics, Unix, and ITS. It was developed at the MIT Computation Center by a team led by Fernando J. Corbato. CTSS ran on a modified IBM 7094 with a second 32K-word bank of memory, using two 2301 drums for swapping. Remote access was provided to up to 30 users via an IBM 7750 communications controller connected to dial-up modems. The name ITS (Incompatible time-sharing System) was a hack on CTSS, meant both as a joke and to express some basic differences in philosophy about the way I/O services should be presented to user programs.
- computerized axial tomography — the process of producing a CAT scan.
- conversational monitor system — Virtual Machine/Conversational Monitor System
- curvilinear coordinate system — a system of coordinates in which the coordinates are determined by three families of surfaces, usually perpendicular.
- cyclotrimethylenetrinitramine — RDX.
- double-system sound recording — a system in which picture and sound are taken simultaneously and the sound is recorded separately on magnetic tape
- edinburgh multi access system — (operating system) (EMAS) One of the first operating systems written in a high-level language (IMProved Mercury autocode), apparently predating Unix.
- electromagnetic compatibility — (hardware, testing) (EMC) The extent to which a piece of hardware will tolerate electrical interference from other equipment, and will interfere with other equipment. There are strict legal EMC requirements for the sale of any electrical or electronic hardware in most countries, although the actual standards differ. See, for example, EMCNet. See also Electrostatic Discharge, Radio Frequency Interference.
- employee stock ownership plan — a programme offered to employees that enables them to buy stocks in the company and thus play a role in its management
- extraordinary general meeting — a meeting specially called to discuss a particular item of a company's business, usually one of some importance. The meeting may be called by a group of shareholders or by the directors
- familial hypercholesterolemia — an inherited metabolic disorder caused by a lack or malfunction of receptors for the low-density lipoproteins that activate removal of cholesterol from the blood. Abbreviation: FH.
- field-programmable gate array — (hardware) (FPGA) A gate array where the logic network can be programmed into the device after its manufacture. An FPGA consists of an array of logic elements, either gates or lookup table RAMs, flip-flops and programmable interconnect wiring. Most FPGAs are reprogrammable, since their logic functions and interconnect are defined by RAM cells. The Xilinx LCA, Altera FLEX and AT&T ORCA devices are examples. Others can only be programmed once, by closing "antifuses". These retain their programming permanently. The Actel FPGAs are the leading example of such devices. Atmel FPGAs are currently (July 1997) the only ones in which part of the array can be reprogrammed while other parts are active. As of 1994, FPGAs have logic capacity up to 10K to 20K 2-input-NAND-equivalent gates, up to about 200 I/O pins and can run at clock rates of 50 MHz or more. FPGA designs must be prepared using CAD software tools, usually provided by the chip vendor, to do technology mapping, partitioning and placement, routing, and binary output. The resulting binary can be programmed into a ROM connected to the FPGA or downloaded to the FPGA from a connected computer. In addition to ordinary logic applications, FPGAs have enabled the development of logic emulators. There is also research on using FPGAs as computing devices, taking direct advantage of their reconfigurability into problem-specific hardware processors.
- filesystem hierarchy standard — (storage, standard) (FHS) A standard designed to be used by Unix distribution developers, package developers, and system implementors. FHS consists of a set of requirements and guidelines for file and directory placement under UNIX-like operating systems. The guidelines are intended to support interoperability of applications, system administration tools, development tools, and scripts. These systems should also be supported with greater documentation uniformity. The standard is primarily intended to be a reference and is not a tutorial on how to manage a Unix filesystem or directory hierarchy.
- french revolutionary calendar — Revolutionary calendar.
- genetically modified organism — genetically modified organism: an organism or microorganism whose genetic material has been altered by means of genetic engineering.
- integrated systems laboratory — (company) A joint project of Control Data Corporation and NCR Corporation, established in 1973 and dissolved in 1976. Integrated Systems Laboratory developed Software Writer's Language. Address: Escondidio, California, USA.
- international system of units — an internationally accepted coherent system of physical units, derived from the MKSA (meter-kilogram-second-ampere) system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic units (SI units) respectively of the fundamental quantities of length, mass, time, electric current, temperature, amount of substance, and luminous intensity. Abbreviation: SI.
- like bees to/round a honeypot — If something attracts people like bees to a honeypot or like bees round a honeypot, it attracts people in large numbers.
- like taking candy from a baby — very easy to accomplish
- long day's journey into night — a play (1956) by Eugene O'Neill.
- longitudinal redundancy check — (storage, communications) (LRC, Block Redundancy Check) An error checking method that generates a longitudinal parity byte from a specified string or block of bytes on a longitudinal track. The longitudinal parity byte is created by placing individual bytes of a string in a two-dimensional array and performing a Vertical Redundancy Check vertically and horizontally on the array, creating an extra byte. This is an improvement over the VRC because it will catch two errors in the individual characters of the string, beyond the odd errors.
- make hay while the sun shines — grass, clover, alfalfa, etc., cut and dried for use as forage.
- methylenedioxymethamphetamine — The psychoactive drug MDMA or Ecstasy, an amphetamine that produces entactogenic, psychedelic, and stimulant effects.
- microelectromechanical system — (hardware) (MEMS) The integration of mechanical structures (moving parts) with microelectronics. MEMS devices are "custom" designed for a purpose which requires a mechanical action to be controlled by a computer. Applications include sensors, medical devices, process controls. See also nanotechnology.
- modified frequency modulation — (storage) (MFM, Modified FM, or sometimes "Multiple Frequency Modulation") A modification to the original frequency modulation scheme for encoding data on magnetic disks. MFM allows more than 1 symbol per flux transition (up to 3), giving greater density of data. It is used with a data rate of between 250-500 kbit/s on industry standard 3.5" and 5.25" low and high density diskettes, and up to 5 Mbit/s on ST-506 hard disks. Except for 1.44 MB floppy disks, this encoding is obsolete. Other data encoding schemes include GCR, FM, RLL. See also: PRML.
- multiple personality disorder — psychiatric illness: split personality
- nuclear regulatory commission — an independent agency, created in 1975, that licenses and regulates the nonmilitary use of nuclear energy. Abbreviation: NRC.
- object compatibility standard — (OCS) An 88open standard for compilers and linkers.
- on-line analytical processing — (database) (OLAP) A category of database software which provides an interface such that users can transform or limit raw data according to user-defined or pre-defined functions, and quickly and interactively examine the results in various dimensions of the data. OLAP primarily involves aggregating large amounts of diverse data. OLAP can involve millions of data items with complex relationships. Its objective is to analyze these relationships and look for patterns, trends, and exceptions. The term was originally coined by Dr. Codd in 1993 with 12 "rules". Since then, the OLAP Council, many vendors, and Dr. Codd himself have added new requirements and confusion. Richard Creeth and Nigel Pendse define OLAP as fast analysis of shared multidimensional information. Their definition requires the system to respond to users within about five seconds. It should support logical and statistical processing of results without the user having to program in a 4GL. It should implement all the security requirements for confidentiality and concurrent update locking. The system must provide a multidimensional conceptual view of the data, including full support for multiple hierarchies. Other aspects to consider include data duplication, RAM and disk space requirements, performance, and integration with data warehouses. Various bodies have attempted to come up with standards for OLAP, including The OLAP Council and the Analytical Solutions Forum (ASF), however, the Microsoft OLE DB for OLAP API is the most widely adopted and has become the de facto standard.
- ordinary national certificate — a further education qualification in the United Kingdom, equivalent to two A Levels
- passive-dependent personality — a personality disorder characterized by a lack of self-confidence and self-reliance and consequent surrender to and dependence on others to take responsibility for major areas of one's life.
- personalized array translator — (language) (PAT) A small subset of APL. E-mail: <[email protected]>.
- real-time structured analysis — (programming) (RTSA) Any version of structured analysis capable of modelling real-time aspects of software.
- recommended dietary allowance — the amount of an essential nutrient, as a vitamin or mineral, that has been established by the Food and Nutrition Board of the National Academy of Sciences as adequate to meet the average daily nutritional needs of most healthy persons according to age group and sex. Abbreviation: RDA.
- royal canadian mounted police — Canadian police on horseback
- send someone/something flying — If you send someone or something flying or if they go flying, they move through the air and fall down with a lot of force.
- sexually transmitted diseases — any disease characteristically transmitted by sexual contact, as gonorrhea, syphilis, genital herpes, and chlamydia. Abbreviation: STD.
- symbolic automatic integrator — (mathematics, tool) (SAINT) A symbolic mathematics program written in Lisp by J. Slagle at MIT in 1961.
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