When the cache client ( a CPU, web browser, operating system ) needs to access a datum presumed to exist in the backing store, it first checks the cache.

When performing a reverse lookup, the DNS client converts the address into these formats, and then queries the name for a PTR record following the delegation chain as for any DNS query.

When it receives a request from a client, the DHCP server determines the network to which the DHCP client is connected, and then allocates an IP address or prefix that is appropriate for the client, and sends configuration information appropriate for that client.

When a DHCP server receives an IP lease request from a client, it reserves an IP address for the client and extends an IP lease offer by sending a DHCPOFFER message to the client.

When other DHCP servers receive this message, they withdraw any offers that they might have made to the client and return the offered address to the pool of available addresses.

When the DHCP server receives the DHCPREQUEST message from the client, the configuration process enters its final phase.

When the client doesn't show up, K. explores the cathedral which is empty except for an old woman and a church official.

When the user wants to do a search, the client sends the request to each actively connected node.

When an LDAP session is created, that is, when an LDAP client connects to the server, the authentication state of the session

When viewing a message with a non-English email client, the header names are usually translated by the client.

When the client exits the session, the mail marked for deletion is removed from the maildrop.

When retrieving new messages, an IMAP client requests the UIDs greater than the highest UID among all previously retrieved messages, whereas a POP client must fetch the entire UIDL map.

: When sent from client to server, ANNOUNCE posts the description of a presentation or media object identified by the request URL to a server.

When sent from server to client, ANNOUNCE updates the session description in real-time.

When the server serves data in a commonly used manner, for example according to the HTTP or FTP protocols, users may have their choice of a number of client programs ( most modern web browsers can request and receive data using both of those protocols ).

When designing using dynamic web-based scripting technics, like classic ASP or PHP, developers must have a keen understanding of the logical, temporal, and physical separation between the client and the server.

When entries are being retrieved from this file, the table of dictionary usage indicates which entries to skip and which entries to store in the computer.

When AA was ported to the English Electric KDF9 computer, the character set was changed to ISO and that compiler has been recovered from an old paper tape by the Edinburgh Computer History Project and is available online, as is a high-quality scan of the original Edinburgh version of the Atlas Autocode manual.

When management refused to support the concept, Ahl left DEC in 1974 to found the seminal computer magazine, Creative Computing.

When a backplane is used with a plug-in single board computer ( SBC ) or system host board ( SHB ), the combination provides the same functionality as a motherboard, providing processing power, memory, I / O and slots for plug-in cards.

When a customer bought a minicomputer, at that time the smallest computer on the market, the computer did not come with Pre-installed software, but needed to be installed by engineers employed by the OEM.

When the amount of RAM is not sufficient to run all the current programs, it can result in a situation where the computer spends more time moving memory from RAM to disk and back than it does accomplishing tasks ; this is known as thrashing.

When the computer ran a program that needed access to a peripheral, the Central processing unit ( CPU ) would have to stop executing program instructions while the peripheral processed the data.

When a computer allows the use of folders, each file and folder has not only a name of its own, but also a path, which identifies the folder or folders in which a file or folder resides.

When this flag is turned on for a file ( which can be accomplished by a computer program or by a human user ), the file can be examined, but it cannot be modified.

When computer files contain information that is extremely important, a back-up process is used to protect against disasters that might destroy the files.

* When using computer files or the Internet, often shortened to " e -" as in e-mail for electronic mail, or prefix " e " as in eCommerce for electronic commerce.

When expressing the abstract nature of computer science, he wrote

When a human played the game against the computer, the computer queried the Earl Weaver or Tony La Russa Expert System for a decision on what strategy to follow.

When social identity and ingroup status are salient, computer mediation can decrease flaming because individuals focus their attention on the social context ( and associated norms ) rather than themselves.

When a pilot moves the control column ( or sidestick ), a signal is sent to a computer ( analogous to moving a game controller ) the signal is sent through multiple wires ( channels ) to ensure that the signal reaches the computer.

When the term was introduced to wider society by the mainstream media in 1983, even those in the computer community referred to computer intrusion as " hacking ", although not as the exclusive use of that word.

When the music is stored in an audio file format that is lossless such as FLAC, Monkey's Audio or WMA Lossless, the computer playback of recorded audio can serve as an audiophile-quality source for a hi-fi system.

When they are both large, for instance more than 2000 bits long, randomly chosen, and about the same size ( but not too close, e. g. to avoid efficient factorization by Fermat's factorization method ), even the fastest prime factorization algorithms on the fastest computers can take enough time to make the search impractical ; that is, as the number of digits of the primes being factored increases, the number of operations required to perform the factorization on any computer increases drastically.

When the PDA is repaired or replaced, it can be " re-synced " with the computer, restoring the user's data.

When the terms formal parameter and actual parameter are used, they generally correspond with the definitions used in computer science.

When confronted with a drunk or an insane person I have no notion of what any one of them might do to me or to himself or to others.

When the possibility that he had not given reconsideration to so weighty a decision seemed to disconcert his questioners, Mr. Eisenhower was known to make his characteristic statement to the press that he was not going to talk about the matter any more.

When we become firm enough to stand for those ideals which we know to be right, when we become hard enough to refuse to aid nations which do not permit self-determination, when we become strong enough to resist any more drifts towards socialism in our own Nation, when we recognize that our enemy is Communism not war, and when we realize that concessions to Communists do not insure peace or freedom, then, and only then will we no longer be `` soft ''.

When this proposal was made, Stalin spoke with stronger emotion than at any other time during the Conference.

When the patient was not allowed to move his body in any way at all, the following striking results occurred.

When the system is arranged for automatic leveling, the platform angles respond to any horizontal components of acceleration acting on the accelerometers.

When Giffen decided to charge him interest on the loan from John Palfrey, Gorham readily assented, vowing that in a matter of dollars and cents, his brothers would never have any cause to complain of him.

When I interviewed Kirby, who as a boy picked up pears in the Borden yard, I asked if anybody else in the household besides Lizzie and Morse had been under any suspicion at the time of the murders.

When Continental Airlines night-coach Flight 54 took off at 11:30 one night last week, there was no reason to think it would take any longer.

When they say that under no circumstances would it ever be right to `` permit '' the termination of the human race by human action, because there could not possibly be any proportionate grave reason to justify such a thing, they know exactly what they mean.

When the third car ’ s engine has been mounted, it then can be moved to the hood station ; meanwhile, subsequent cars ( if any ) can be moved to the engine installation station.

When originally used in Olney, it is unknown what music, if any, accompanied the verses written by John Newton.

Bruce Hindmarsh suggests that the secular popularity of " Amazing Grace " is due to the absence of any mention of God in the lyrics until the fourth verse ( by Excell's version, the fourth verse begins " When we've been there ten thousand years "), and that the song represents the ability of humanity to transform itself instead of a transformation taking place at the hands of God.

When one turns from the dombocs introduction to the laws themselves, it is difficult to uncover any logical arrangement.

When the date and other obvious clues were removed no significant results were found to suggest there was any preferred chart.

When analog television was developed, no affordable technology for storing any video signals existed ; the luminance signal has to be generated and transmitted at the same time at which it is displayed on the CRT.

When the others go in to dinner Nora stays behind for a few minutes and contemplates suicide to save her husband from the shame of the revelation of her crime and ( more importantly ) to pre-empt any gallant gesture on his part to save her reputation.

When used by academics, an arbitrage is a transaction that involves no negative cash flow at any probabilistic or temporal state and a positive cash flow in at least one state ; in simple terms, it is the possibility of a risk-free profit at zero cost.

When the signal drive to the amplifier is increased, the output also increases until a point is reached where some part of the amplifier becomes saturated and cannot produce any more output ; this is called clipping, and results in distortion.

When a pitching change occurs, the new pitcher is said to " inherit " any runners that are on base at the time, and if they later score, those runs are charged ( earned or unearned ) to the prior pitcher.

When the outcome of the dealer's hand is established, any hands with bets remaining on the table are resolved ( usually in counter-clockwise order ): bets on losing hands are forfeited, the bet on a push is left on the table, and winners are paid out.

When removing checkers from the board (" bearing off "), the exact roll must be used unless a die is greater than any checker can use to bear off ; in that case the die is played by taking a checker from the highest-numbered point off the board.

When a man distinguished himself by deeds of valour, or any form of meritorious conduct, he was often decorated by a chief by being presented with the feathers of this bird.

When an object falls into a black hole, any information about the shape of the object or distribution of charge on it is evenly distributed along the horizon of the black hole, and is lost to outside observers.

When a symbol is not marked by any of the three grammar symbols ( square, cone, inverted cone ), they may be a non material thing, a grammatical particle, etc.