DIUIONARY
`[LEGRONKS
`
`RUDOLH. GRM
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`1
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`LG 1022
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`2
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`mlcroeitotlt moods - trrierotiaah lamp
`
`Miami! Mia—An assrrmbly o! tru'crocir-
`cuits or of microcircnits trod discrete parts. designed to
`perform an electronicocircuit function or fuadions and
`constructed in such a manner than it is considered to be
`a single entity for the putpout of specificaion. testing.
`cmnmerce, nod maintenance.
`W m «A microwater carrying one
`tlrr more circuit functions such as a dip-flop or gate
`lnteflted-circuit chips may he bmded to deposited
`trictoeode—l. A
`includes
`subopc
`division. that ordinarily are inaccessible in mounting.
`Alistoi'vcryrmallprognntmpr.lAsctofcontrol
`functions performed by the instruction decoding and
`execution logic of a mputzrthat defines the instruction
`repertoire or that computer. Microcode it not generally
`accessible by the programmer. 3. Sequences of low-
`Ievel stem. making tar machine instructimu.
`that are
`built
`into a miaoproocnsor that directly mortal
`the
`interaction of tire processor's commie; elements
`that
`is,machincinauucdonswirediatodtehardwrcthat
`is being controlled. 4. Pcomncat basic subcommnds.
`btriitintoncornputer.tlnrtareexeeuteddirectlyby
`the computer. Generally.
`these commands define the
`instruction set of a micropmgratnmrtblc computer.
`microcodhg—ln a computer. a system of coding
`that uses snhopcrationr not ordinarily accessible in pr!»
`gaming.
`—l. Those components unallcr
`microoo
`than existing components by several orders of ineptitude.
`2.1m assembly of very small.
`interconnected discrete
`components—active or passive—that forms an elec-
`tronic circuit. Interconnection oi' the vuiour leads in by
`solduing or welding. Micmconponentr use no substrates.
`Gotttit:troeottttrutar
`t. A general-purpose computer
`triposed of standard LS] MW built around a
`central processing unit (CPlfl.11rc CPU (or micropro-
`cessor) is program
`featuring arithmetic and
`logical instructions and a general-purpose parallel U0 but.
`The CPL' is generally contained on a single chip. Gen-
`erally intended for dedicated applicatims. the minimu-
`puter also includes any number of ROMa and RAM: (fir
`inmcomandduastorageiundinsomemgoneor
`more [/0 devices. The simplest microcorrnruta consists of
`oned’lichiprndoncROM 2.Acornputerwhotetnajur
`sections —CPU. control. timing. and memory—are each
`contained on a single integrated-circuit chip. or. at most.
`nt‘ewchips. MLSlconrputer.3.Aeomputer-thathas
`asinglcormnltichipLSlCl’UJrardistinguishedfrotna
`mlnicomputer. 4. A class of computer buying all major
`central ptoeeraa' functions contained on a single
`circuit board «instituting a torrid-alone rrrodule. 5. A com-
`[unawhme certtrnlproccssingunitiramiaoprooesm.
`includes microprocessor. mum and
`inpuloutput cmtmllers. aAdeviceconsistingotncen-
`tral processor (usually a ruler
`.but sometimes
`a custom LSl chip set or s hit-slice processor) combined
`with a memory and innit/output
`t ayatarn—Abb-
`microcomputer
`termed MDS. Also called expandable breadboarding
`system. i. Akey tool uredrnthedevciopnrentphaseof
`microprocessm-hased comm it provides an ctllcient
`meanaofproyanrcoding. summoning. andlinal
`testing for the confirm!pmparn in a simulated operating
`condition without
`of tire hardware thatit entrained
`inthefinalcndprothrcl.1'hcclcmerrtaoftheMDS
`combine to route up a complete micsoptowasorhnred
`morwter. whidriseomposedofdreeentnlmaing
`unit or microprocessor unit: a mawrtoragc memory
`section; eitherai'lrwydialtutapcmsette. complete
`
`470
`
`witlrmociaredthr’rcandcontrol circuits; aCKl‘terminal
`(videotcadout).skeyhoartlhandnsihcrcisintnort
`system.aprr‘nter.luaddition.ancmnlarotmoduleis
`pat-tot'rhesysrrrnandritnsedurterrtheoperationol'thc
`developed system under defined cotxlitiotu without the
`at: of final hardware. 2. A system designed exclueively
`to aid in the development at microprocessor system.
`'
`opinent systemerrahleadesigner
`todeveloptoflwaremdhardwateasifmy standard
`operatingsystemntllitieswereproaartinhisaherfinal
`design. These militia, lrmsevcnacactually reside to did
`developmeotrystemandthctoforodosnotloqairecmdy
`additims to every
`system. Miaooomputcr
`equipped with the hardware and sottware facilities
`required for edicieut program development and hardware
`mmflmW—A C
`r syg.
`nrt‘croprocesso
`ten-rmachip. Includesm-dtiptheml. localRAM.
`local ROM or EPROM. clock and control circuits. and
`serialrndparallelllotxntsthateaoheproyammedi‘cr
`variousconuolhrnctiortr.S¢-eabncliiprets.
`trtlcrocrnolt —Athineraeltinasuhmateorchip
`devicetxmdnck-fihnuimwwallgthatmunly
`bereenunder
`'
`'ooandwlriclrcancoatributeur
`iatentlailurcplrenonwna.
`mum—An inrnumentuaedirrtpec-
`onscopytonreasutelinetinaspecmnnbylightuanmis-
`sionrneasurement.
`W—An exnetnely rtnall electrode.
`Somenricroeleurodecareanallenoughmconmasiaglc
`hbloficalcell.
`mmw—Diacmeelecuical corn-
`porrentsasretnbledandconnectedlnutremelyrtnalland
`cotnpactfotnr.
`microelectronic davloa An aim-ate term for
`intepueddrcuit.
`W8- Also culled rnictmystems elec-
`tronics. l.1‘hecntirebodyofclectronicmthatiseoa-
`neetedwithor
`'
`totherealizatitarol'electrortic
`from extremely small electronic parts. 2. See
`circuit 3. All techniques for the manufacture
`'
`of exuemel
`small demonic circuits. generally including
`all types
`silicon
`circuits. thinfilm circuits.
`andthick-filnrcircuits 4.11::
`realiratimofcioc-
`trooiccircuiuorsyaiemafromanumbcrofcxtremly
`small circuit elements inacpatahly associated on or within
`a continuous body. Microelectronics has developed along
`two basic technologies. nrmolithic integrated circuits and
`hybridintegatodcixcuis.51'hefieltlmlhatdeulswilh
`techniques for mun“: miniature circuits. c.3.,
`inte-
`grated circuits.
`-flhn toclmiquer. and solid-state lope
`modulu 6. mutt-telecmricetpripmeutdeugnand
`corutruetioo that user mictorninioturization schema
`ntieroainmant— A rerirnx. capacikl’. or transistor.
`diode, inductor. transformer. or other electronic element
`(I combination of elements mounted on a small ceramic
`wafer 0.01 inch (or 0.25 ruin) thick and about 0.3 inch
`(0.75 m) square. Individual mieroelcrnmu are stacked.
`interconnected, and ported to form micromodulea.
`MW wilt—A micmwsfcr carrying one
`a more c
`em; or a simple network. The netmk
`can consist. or exanrpic. of reveal thin-film resism
`deposited directly out the wafer.
`boll-"er—m millionth of a find. better sym-
`m—Sn capacitance meter
`hmleto‘llllh—An extremely short electronic flash,
`mlnsad-ationofahout lxlO“ secondUsedrn
`Most-obit: fluidly moving subject:
`Inahlanp—Ji lamp that emits radiation
`anTeswInving a duration ofapprosinmely I microsecond.
`
`
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`3
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`

`

`mlcrophotograph—mlorowatt
`
`mlcrophobograph— A small picture of a large sub-
`ject. The mierotilmiug of a check or other document
`produces a microphotograph
`mlcroprobO—An extremely. sharp and small explor-
`ingmolheadanachedtoaposi'noninghandle. Usedfor
`testing microelecu'tmie circuits by establishing ohmic con-
`tact.
`microproceoeor—Also called MPU (microproces-
`sor unit). 1. A central processing unit (CPU) fabricated
`on oncormoreehips. containinglhcbasicarithmclic.
`logic. and control elements of a co
`that are remitted
`for processing data. 2. An integrated circuit that acccpo
`coded instructions, executes the inattuaions received.
`and delivers signals that describe its internal status. The
`instructions may he entered or stored internally. Widely
`used as control devices for household appliances. business
`machines. toys. etc” as well as for mi
`titers. 3. An
`electronic integrated circuit typically a single-chip pack-
`age. capable of receising and executing coded instruc-
`tiona.
`system- A
`development
`microprocessor
`combination of hardware and soflware that acts as a tool
`for micro system design and debugging from concept to
`final production release. It contains assembler, conflict.
`andeditor
`toaasistwiththe " program
`writing.
`It also can sinurlate the system. both at
`the
`concept Stage and during the final
`integration. The
`larger memory available makes it practical to document
`programs. that
`is. to add remarks within the program
`that will be ignored by the micropocessor and that will
`indicate to a subsequent user the purposes of specific
`instructions.
`'l'bcsc remarks do not. of course. go into
`the final ROM. The development system is also able to
`muster the debugged program that it is already using into
`FROM or EROM.
`rrtlcroprooeaeoronurlator—Asonwarc routincor
`device that imitates the functions of a specific micropro-
`ccssor.
`
`mWoomm— l. A computer program written in
`the most basic instructions or subcommands that can be
`executed by the computer. F
`uently.
`it
`is stored in
`a read-only memory. See also
`ware. 2. A special-
`purponc program. sult'cd'm a fixed memory. lhttt'rs initi-
`ated by a single instruction in a system 5 main progrtmt.
`Forcaample oneinstructioninthcrnainprogrammayini-
`tiate a stored microprograrn at six or seven instructions
`needed to execute the single main program instruction.
`3. lo a computer. a aubelernent of a conventional pro-
`gram built up of a sequence of even smaller operations
`called microinstructions. Fitch mieminstruetion is further
`subdivided into a collection of microoperatious carted
`out in one basic machine cycle. (For example. the corn-
`purer program consists of a sequence of instructions that
`married out in a specific order. Each instruction con.
`sistsofaroutincol'oneornunesbps. Thisscqucnce
`of computer machine cycles necessary to execute a sin-
`gle instruction is called a mieroprogmm.) 4. A sequence
`of instructions held in the control store that determines
`what operations the processor pertornts for each command
`given to it by the main memory. 5. A type of program that
`directly controls the
`of each function element
`in a microprocessor. 6. Stored routines in CPU control
`rrtcmorythatdeftncutachineinstructionsnsuacriesof
`elemental steps to be executed by the processor’s control
`section 7. Aspecial computer pmgram that sequences
`the control unit of a processor. ll implements sequen-
`tial
`instruction fetch plus decoding and execution. by
`providing the appropriate signals to the
`gates.
`Most MPUs are internally micropro
`and can be
`micrrqmrgrummcd by the user. Bit-slices are user micro-
`progranunable. 8. A machineexecutahle description of
`
`472
`
`thcelentcutarystcpsthatareexecutediutheeourseof
`what the software sees in an instruction.
`mlcroprogrammable computer— A computer in
`which the internal CPU control sequence for perform-
`ing instructions is generated from a readonly memory
`(ROM). By changing the ROM contents. the instruction
`set can be changed (as contrasted with u fixed-instruction
`computer).
`mlcroprogrammlng—J. The setting up of basic
`suboperarions for I oornrmter to handle. after which
`dwpmpammammbimsdwmandtheyarepresentod
`to the computer again in a higher-level program. For
`example. if a computer has only basic instructions for
`addition. subtraction. and multiplication. the instruction
`for division would be defined by mietoprugramrning.
`2. A mellul ol'opcrating the control part ol'a computer
`irt which each instruction is broken into several small
`stepstmiuostepsflhatlormpartofamicropmgram.
`3 A method
`orgamzrng a general-purpose cttmputer
`to perform desired functions. using instructions stored'to
`a control array.
`rnlcroprograrn store—Sec control store.
`rrtlcroradtometer— Also called a radio micrometer.
`A thetmoscnsitive detector of radiant power. It consists
`ofathcrtnopile
`onandconnecteddirectlyto
`the moving coil of a galvanomcter.
`mmnd—Onc millionth ofa second: I x 10 °
`or 0.000001 second. Letter symbol: us.
`Microsoft Windows—An operating environment
`for IBM PCs and eompatihles that features icons, pull-
`down menus, desk accessories. and the ability to easily
`mote text and graphics from one program to another via
`a clipboard It can also operate more than one program at
`a time.
`I. A microwave
`mlcroatrb—Also called stripiinc.
`transmission component
`in which a single conductor
`is supported above a ground plane. 2. Printed-Wiring
`LC resonant circuits or transmission lines. Coral-rc-
`tive patterns l'orm inductors. Capacitance is developed
`between the inductive patterns and the gruurxl plate.
`3. (Miaostripline) A n'ansmission line consisting of a
`metallizcd strip and a solid ground plane metallintion
`separated by a thin. solid dielectric. This transmission
`line configuration permits accurate fabrication of SO-ohm
`transmission line elements on a ceramic or printed circuit
`board substrate.
`
`mleroeyn—A precise and sensitive pickofi' device
`for converting angular displacement within a small range
`to an electrical signal.
`mlcrowcwna electronics—See microelectro-
`nics.
`tmtttlterotrolvt—Onc millionth of a volt Letter sym-
`u.
`microvoltrnoler . A highly sensitive Vollrnetcl’ that
`measures millionths of a volt.
`mlerovolta per meter—The potential difference
`in microvolts developed between an anbnna system and
`ground. dividcdbythedistanceinmetersbemeenthetwo
`poin
`mlcrovoltalmoterlmllo—One method of stating
`the field strength of a radiated field. Radiation from
`industrial heating equipment. for example. must be sup-
`pressed to that
`the radiated field
`does not
`exceed 10 microvolts per meter at a distance of l mile
`(1.609 km) fiotn the source.
`mlcrowat'er- A basic microcircuil building block
`generally made of beryllia. alumina, or glass. Termina-
`tions on the edgor are usually ofgold on top of chromium.
`with a heavy ngicltel overlay for welding.
`Wrrticrorttvatd——(htc millionth of a wan. letter symbol:
`It
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`4
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