ection
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`of Tool and
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`:Glossary)
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`lossary
`entific and Technical
`
`and Technology
`of the President
`
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`4 (Electronic Computer
`
`rical and Electronics
`
`!r
`ossary
`cy Automatic Data
`Timittee
`
`STANDARD
`DICTIONARY
`OF
`COMPUTERS
`AND
`INFORMATION
`PROCESSING
`
`REVIS'ED
`SECOND EDITION
`
`MARTIN H. WEIK
`
`[[]
`
`HAYDEN BOOK COMPANY, INC.
`Rochelle Park, New Jersey
`
`CSCO-1013
`IPR2016-01466, Cisco Systems v. TQ Delta
`Page 1 of 3
`
`

`

`To my wife and children, whose
`patience with me was often tried during
`the years of preparation, and to the
`many wonderful friends with whom I have
`worked in many vocabulary efforts.
`
`Library of Congress Cataloging in Publication Data
`
`Weik, Martin H.
`Standard dictionary of computers and information
`processing.
`
`Bibliography : p.
`1. Electronic data processing - Dictionaries.
`2. Electronic digital computers - Dictionaries.
`I. Title.
`1977
`QA76.15.W4
`ISBN 0-8104-5099-2
`
`001.6'4'03
`
`77-22664
`
`Copyright © 1969, 1977 by HAYDEN BOOK COMPANY, INC. All rights re(cid:173)
`served. No part of th is book may be reprinted , or reproduced , or utilized in
`any form or by any electronic, mechanical, or other means, now known or
`hereafter invented, including photocopying and recording, or in any in(cid:173)
`formation storage and retrieval system, without permission in writing from
`the Publisher.
`
`Printed in the United States of America
`
`2
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`3
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`4
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`5
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`6
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`7
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`9
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`PRINTING
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`milestone when
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`were undertake
`(1) The Firs
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`Electrical and
`
`CSCO-1013
`IPR2016-01466, Cisco Systems v. TQ Delta
`Page 2 of 3
`
`

`

`point, index - polymorphic
`
`fractional part of the number may be held
`within a given range, still permitting the
`expression of numbers of greater
`magnitude. (Contrast with point, fixed
`and with point, variable.)
`point, index- In punch-card machines con(cid:173)
`taining rotating machinery driven by a
`main shaft, one of the equally spaced
`rotational reference positions of the main
`shaft. The
`equally
`spaced
`reference
`positions are usually chosen to be those at
`which successive card rows or columns are
`at the sensing or punching station of the
`card reader or punch. Extra index points
`may be required · to allow for a gap
`between cards while they are traversing
`the card track. The index point may be
`labeled according to the row or column, if
`any, to which it corresponds.
`point, interchange- A location, usually in a
`data network, where interface signals are
`transmitted between equipment by means
`of planned electrical interconnection.
`point, load- A marked position on magnetic
`tape that is positioned under the recording
`head when the reel is mounted in a tape
`station. Reading and writing begin and
`end at this point. A metallic strip may be
`used to mark the load point, indicating to
`both the operator and the machine where
`to start or stop reading or writing.
`point, radix-Same as point, arithmetic.
`point, reentry-In a computer program, the
`instruction at which
`the program
`is
`reentered from another program, routine,
`or
`subroutine. The
`reentry point
`is
`usually designated by the address or the
`label of the instruction that is designated
`as the reentry point.
`point, rerun- A location or a point in a
`computer program at which
`all
`in formation
`required
`to
`repeat
`the
`program
`from
`the last rerun point is
`available either to the program itself or to
`a restart routine. This permits repeating
`the
`routine
`from
`the
`last
`rerun or
`checkpoint in the event of an error or a
`malfunction. The rerun points may be
`only thr~e to five minutes apart, so that
`instead of returning to the beginning of a
`program in the event of an error, it is only
`necessary to return to the last rerun point.
`All information pertinent to a rerun is
`available in stored or recorded form during
`the whole time from one rerun point to
`the next. One purpose of a checkpoint is
`to permit the rerunning of the program
`from the checkpoint; thus, a checkpoint
`may serve as a rerun point. In any case , a
`computer run may be reconstituted and
`rerun point or a
`run again
`from a
`(Synonymous with restart
`checkpoint.
`point, and with rescue point.)
`point, rescue- Same as point, rerun.
`point, restart-Same as point, rerun.
`point, variable - A radix numeration system in
`which each number is represented by a
`numeral ; that is, a set of digits, with the
`arithmetic point explicitly indicated by a
`character placed among the digits by the
`262
`
`writer according to the magnitude of the
`number desired
`to be expressed; for
`example, 85.96, 8.596, or 859P6. Usually
`the point is a dot or period, and its
`position separates the coefficients of the
`negative powers of the radix from the
`coefficients of the positive powers of the
`radix, being just to the right of the
`coefficient of the zero power of the radix;
`that is, just to the right of the units
`position. (Contrast with paint, floating
`and with point, fixed-)
`point, zero-level tran8mission reference-An
`arbitrarily chosen physical point in a
`circuit to which all transmission levels,
`such as current, voltage, and power levels,
`are referred or referenced, and so are
`measured from. The transmission level at
`the transmitting switchboard is frequently
`taken
`as
`the
`zero-level
`transmission
`reference level, and thus the transmitting
`switchboard becomes
`the
`zero-level
`transmission reference point.
`point-through-The
`transfer of a recorded
`signal from one layer of magnetic tape to
`adjacent layers when the tape is wound
`on a hub or reel.
`point-to-point connection-See connection,
`point-to-point.
`pointer-An identifier or indicator of the
`location of data; for example, an address,
`an algorithm for generating an address, a
`keyword, a code
`for generating an
`address, or a destination or
`source
`designator.
`pointer, stack-The address of the first one
`of a sequence of storage locations that
`are used for a pushdown storage. The
`address is usually held in a preassigned
`stack
`register.
`(Synonymous
`with
`indicator.)
`polarization diversity - See diversity,
`polarization.
`polarized dipole modulation recording- Same
`as recording, polarized return-to-zero.
`polarized
`return-to-zero
`recording- See
`recording, polarized return-to-zero.
`Polish notation-See notation, Polish.
`poll- I: In switching networks, to request a
`station to send data. 2: In a computer
`operating
`system,
`to
`periodically
`interrogate a device to determine if an
`interaction is required between the device
`doing the polling and the device that is
`being polled. 3: To interrogate a set of
`devices
`sequentially;
`for example,
`to
`interrogate each of a set of terminals
`sharing
`a
`communication
`channel
`to determine if it requires
`periodically
`use of the channel.
`·
`a mode of
`polymorphic-Pertaining
`to
`comp u ting system organ i zation,
`configuration, or arrangement of major
`component parts in a manner such that all
`components at a given installation are held
`in a common pool, and, as each program to
`be executed is selected, a specific set of
`components
`is chosen from
`the pool,
`electrically connected, used to execute the
`program, and, upon completion, returned
`
`the pool.
`to
`equipment is ~
`as many p
`simultaneou
`constructed fr
`to run Progra
`arithmetic and
`unit, two disc
`reader and a
`connected. Pro
`one arithmeti
`When Program
`are
`returne
`reassignment t
`A modular sys
`fixed configur
`in the sense th
`use what
`it
`remaining e ·
`Polymorphic i
`(Contrast with
`polyphase sort- Se
`pool, buffer- A
`be allocated as
`pool, free-core-S
`pool,
`free-storage
`computer ma·
`dynamically
`such as input(cid:173)
`expansion,
`(Synonymous
`POPS-(Pantogr
`System). A r
`technique wher
`a plotting boar
`plotter in the r
`grease pencil. S
`except as to inp
`port- In a fluidic
`to another en1
`environment;
`from
`an
`in
`atmosphere or
`chamber;
`or
`controlled-press
`internal passage
`port, bias- In a
`which a bias
`controlled-press
`port, control- In
`which a contra
`pressure, is app
`port, output- In a
`which an outpu
`port, supply- In a.
`which power
`device, such as
`port, vent- In a
`which a referen
`port-a-punch card(cid:173)
`portable data medi
`position - Same asp
`position,
`addr
`micro graphics,
`horizontal, x-a
`specified film f
`line can be
`position, addres
`position,
`add
`micrographics,
`
`CSCO-1013
`IPR2016-01466, Cisco Systems v. TQ Delta
`Page 3 of 3
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