Information Technology Reference
In-Depth Information
on.October.2,.2000..It.was.not.oficially.“approved”.
by. the. U.S.. Secretary. of. Commerce. until. Q2. 2001..
Products.are.available.that.use.the.Rijndael.algorithm.
within.AES.encryption.tools.
Desktop:. Verbal. shorthand. for. “desktop. personal. com-
puter,”. normally. used. to. differentiate. such. a. system.
from.a.laptop.or.portable.PC.
. . In. Windows. 95,. and. later. releases,. the. screen. vis-
ible.on.the.computer.monitor.is.known.as.the.desktop.
and. can. be. used. to. store. programs. and. data. as. if. it.
were.a.normal.directory/folder..It.is.generally.consid-
ered.better.practice.to.use.the.desktop.as.a.place.to.
store.links.to.iles.and.programs,.rather.than.the.iles.
and. programs. themselves.. This. is. partly. because. of.
the.risk.of.accidental.deletion,.but,.more.importantly.
to.companies,.to.avoid.such.iles.being.visible.to.any.
curious.passersby.
Dial-up:. A. method. of. communicating. via. telephone. lines..
The.modem.modulates.the.digital.data.of.computers.
into. analog. signals. to. send. over. the. telephone. lines,.
then.demodulates.back.into.digital.signals.to.be.read.
by.a.computer.on.the.other.end.
Digital:. Employing.the.binary.system.of.numbers.(1.and.0.
only).for.processing.purposes.
Digital Certiicate:. The.electronic.version.of.an.ID.card.that.
establishes. your. credentials. and. authenticates. your.
connection. when. performing. e-commerce. transac-
tions. over. the. Internet,. using. the. World. Wide. Web..
To. obtain. a. digital. certiicate,. an. organization. must.
apply.to.a.certiication.authority
.
that.is.responsible.for.
validating.and.ensuring.the.authenticity.of.requesting.
organization.. The. certiicate. will. identify. the. name.
of.the.organization,.a.serial.number,.the.validity.date.
(“from/to”). and. the. organization's. public. key. where.
encryption.to.and.from.that.organization.is.required..
In.addition,.the.digital.certiicate.will.contain.the.digi-
tal. signature. of. the. certiication. authority. to. allow.
