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The full name of the owner; Date and location of his birth; Name and the last place of the owner's father or guardian; Owner's signature; All this data should be registered with a local police office, thus turning an Arbeitsbuch into a sort of internal passport identity document. German employment record books / Deutsche Arbeitsbücher
One-time pad. A format of one-time pad used by the U.S. National Security Agency, code named DIANA. The table on the right is an aid for converting between plaintext and ciphertext using the characters at left as the key. In cryptography, the one-time pad (OTP) is an encryption technique that cannot be cracked, but requires the use of a single ...
B1 Free Archiver is a proprietary freeware multi-platform file archiver and file manager. B1 Archiver is available for Microsoft Windows, Linux, macOS, and Android. It has full support (compression, unpacking and encryption) for ZIP and its native B1 format. [1] The program decompresses more than 20 popular archive formats. [2]
The number 2,147,483,647 is the eighth Mersenne prime, equal to 2 31 − 1. It is one of only four known double Mersenne primes. [ 1 ] The primality of this number was proven by Leonhard Euler, who reported the proof in a letter to Daniel Bernoulli written in 1772. [ 2 ] Euler used trial division, improving on Pietro Cataldi 's method, so that ...
Zertifikat Deutsch. The Zertifikat Deutsch (ZD) is an internationally recognized exam of German language ability. It tests for a level of ability equivalent to level B1 in the Common European Framework of Reference for Languages (CEFR) scale. [1] Candidates typically need between 300 and 600 hours of instruction in German in order to obtain the ...
The Rockwell B-1 Lancer[b]is a supersonic variable-sweep wing, heavy bomberused by the United States Air Force. It has been nicknamed the "Bone" (from "B-One"). [2][3]As of 2024[update], it is one of the United States Air Force's three strategic bombers, along with the B-2 Spiritand the B-52 Stratofortress. Its 75,000-pound (34,000 kg) payload ...
A minimal element of a subset of some preordered set is defined dually as an element of that is not greater than any other element in . The notions of maximal and minimal elements are weaker than those of greatest element and least element which are also known, respectively, as maximum and minimum. The maximum of a subset of a preordered set is ...
Matching (graph theory) In the mathematical discipline of graph theory, a matching or independent edge set in an undirected graph is a set of edges without common vertices. [1] In other words, a subset of the edges is a matching if each vertex appears in at most one edge of that matching. Finding a matching in a bipartite graph can be treated ...