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checkpoint

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.01 sec.
checkpoint [′chek‚pȯint]
(cell and molecular biology)
A point in the eukaryotic cell cycle at which the cycle may continue if specific conditions are present or will stop if conditions are not right.
(computer science)
That place in a routine at which the entire state of the computer (memory, registers, and so on) is written out on auxiliary storage (tape, disk, cards) from which it may be read back into the computer if the program is to be restarted later.
(navigation)
Geographical location on land or water above which the position of an aircraft in flight may be determined by observation or by electronic means.
(programming)checkpoint - Saving the current state of a program and its data, including intermediate results, to disk or other non-volatile storage, so that if interrupted the program could be restarted at the point at which the last checkpoint occurred.

This facility came into popular use in mainframe operating systemss such as OS/360 in which programs frequently ran for longer than the mean time between system failures. If a program run fails because of some event beyond the program's control (e.g. hardware or operating system failure) then the processor time invested before the checkpoint will not have been wasted.


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LANCASTER -- An unlicensed motorist was arrested on suspicion of drunk driving and 20 other unlicensed drivers had their vehicles impounded at a checkpoint operated by sheriff's deputies for five hours Thursday night in downtown Lancaster.
DEPUTIES ARREST WOMAN DURING CHECKPOINT EFFORT 20 OTHER MOTORISTS ... by Daily News (Los Angeles, CA)
The checkpoint was operated on a random basis, 6 hours a day, 3 days a week, for a period of 3 weeks.
Checkpoints: Fourth Amendment implications of limiting access to high ... by Crawford, Kimberly A. / The FBI Law Enforcement Bulletin
CheckPoint HR, LLC, an innovator and leading Administrative Service Organization (ASO) that offers small- to mid-size organizations a single source for human resources, payroll and benefits solutions, today announced a significant customer win with Twin Oaks Incorporated, a major warehouse distribution company focused on providing large customers such as Wakefern Food Corporation with both non-perishable and perishable foods.
Enhancing the HR ''Food Chain'': Major Northeast Food Distributor ... by Business Wire
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