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(computer science)
An instruction that causes the contents of a specific storage location in a computer to be displayed.


The command in most microcomputer BASICs for reading memory contents (a byte) at an absolute address. POKE is the corresponding command to write a value to an absolute address.

This is often extended to mean the corresponding constructs in any High Level Language.

Much hacking on small microcomputers without MMUs consists of "peek"ing around memory, more or less at random, to find the location where the system keeps interesting stuff. Long (and variably accurate) lists of such addresses for various computers circulate (see interrupt list). The results of "poke"s at these addresses may be highly useful, mildly amusing, useless but neat, or total lossage (see killer poke).

Since a real operating system provides useful, higher-level services for the tasks commonly performed with peeks and pokes on micros, and real languages tend not to encourage low-level memory groveling, a question like "How do I do a peek in C?" is diagnostic of the newbie. Of course, operating system kernels often have to do exactly this; a real C hacker would unhesitatingly, if unportably, assign an absolute address to a pointer variable and indirect through it.
References in periodicals archive ?
The Polyetheretherketone industry Report 2014 is a professional and in-depth study on the current state of the Polyetheretherketone Industry with a focus on the Chinese situation.
The patent, which has also been filed in Europe, Canada, South America, and Australia, cover both solid metal and composite implant construction that consist of a combination of metal and polymer materials, such as polyetheretherketone (PEEK).
The High Performance Polymers Business Line within Evonik s Resource Efficiency Segment has recently developed VESTAKEEPA 5000 HCM, which is a new innovative Polyetheretherketone (PEEK) micro granules that increases the production efficiency of customized PEEK seals with resultant superior mechanical performance for the oil and gas industry.
EGRT sensors were previously made with liquid crystal polymer and polyetheretherketone (PEEK), both of which are more expensive than PA.
15, 2014 /PRNewswire/ -- Research and Markets has announced the addition of the "Global Polyetheretherketone (PEEK) Industry Report 2014" report to their offering.
6) suggest the use of thermoset materials like cured carbon fiber reinforced polyimide, and engineering thermoplastics like fiber reinforced polyetheretherketone (PEEK).
Recent clinical evidence supporting polyetheretherketone (PEEK) and biocomposite anchors have allowed manufacturers to show growth with these products.
Capacity expansion of the polyaryletherketone resin, used as a base to make KetaSpire polyetheretherketone (PEEK) and AvaSpire polyaryletherketone (PAEK), is already underway to reach more than 1,000 tons per year in the third quarter of 2015.
Solvay Specialty Polymers has announced the introduction of a new high-stiffness grade of KetaSpire[R] polyetheretherketone (PEEK) that provides 50% greater modulus/stiffness than standard neat PEEK grades.
ANC manufactures minimally invasive titanium and polyetheretherketone implants.