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Что (кто) такое null bit - определение
WIKIMEDIA DISAMBIGUATION PAGE
NULL; Null (computer programming); Null value; Null (computing); Null (Computing); Null (computer); Null (disambiguation); User:SideTime; (null); Nil (programming languages); Null (EP); Null values
Найдено результатов: 744
Null allele
NONFUNCTIONAL ALLELE (A VARIANT OF A GENE) CAUSED BY A GENETIC MUTATION
Null mutation; Null Allele; Null alleles; Null mutant
A null allele is a nonfunctional allele (a variant of a gene) caused by a genetic mutation. Such mutations can cause a complete lack of production of the associated gene product or a product that does not function properly; in either case, the allele may be considered nonfunctional.
Null (SQL)
![omega (ω)]] character is used to represent Null in [[database theory]].](https://commons.wikimedia.org/wiki/Special:FilePath/Db null.png?width=200 "omega (ω)]] character is used to represent Null in [[database theory]].")
![outer join]] query with Null placeholders in the result set. The Null markers are represented by the word <code>NULL</code> in place of data in the results. Results are from [[Microsoft SQL Server]], as shown in SQL Server Management Studio.](https://commons.wikimedia.org/wiki/Special:FilePath/Sql query1.png?width=200 "outer join]] query with Null placeholders in the result set. The Null markers are represented by the word <code>NULL</code> in place of data in the results. Results are from [[Microsoft SQL Server]], as shown in SQL Server Management Studio.")
SPECIAL MARKER AND KEYWORD IN SQL INDICATING THAT SOMETHING HAS NO VALUE
Sql null; NULL (SQL); NVL; NULLIF; SQL CASE; Sql case; Codd tables; Codd table; COALESCE; C-table; Uncertain database; NULL marks; Null (database)
In SQL, null or NULL is a special marker used to indicate that a data value does not exist in the database. Introduced by the creator of the relational database model, E.
/dev/null
SPECIAL COMPUTER FILE THAT DISCARDS ALL WRITES
Dev/null; /dev/null/; NUL:; The null device; NUL (computer); NUL (Computer); Dev-null; \Device\Null; /dev/null; Unix null device; \DEV\NUL; /DEV/NUL; NIL:; $null; DD DUMMY; VMS NL:; NUL (device)
/dev-nuhl/ [The Unix null device, used as a data sink ] A
notional "black hole" in any information space being
discussed, used, or referred to. A controversial posting, for
example, might end "Kudos to rasputin@kremlin.org, flames to
/dev/null". See bit bucket.
[Jargon File ]
Null pointer
A VALUE INDICATING THAT A POINTER DOES NOT REFER TO A VALID OBJECT
Null reference; NullPointerException; NULL pointer; Java.lang.NullPointerException; Null pointer exception; Billion-dollar mistake; Null pointer error
In computing, a null pointer or null reference is a value saved for indicating that the pointer or reference does not refer to a valid object. Programs routinely use null pointers to represent conditions such as the end of a list of unknown length or the failure to perform some action; this use of null pointers can be compared to nullable types and to the Nothing value in an option type.
Bit (horse)
TYPE OF HORSE TACK
Horse bit; Horse bits; Champing at the bit; Chomping at the bit; Horse's bit; Horsebit
The bit is an item of a horse's tack. It usually refers to the assembly of components that contacts and controls the horse's mouth, and includes the shanks, rings, cheekpads and mullen, all described here below, but it also sometimes simply refers to the mullen, the piece that fits inside the horse's mouth.
Null function
SUBROUTINE THAT RETURNS NO DATA VALUES AND LEAVES THE PROGRAM STATE UNCHANGED
Null operator; Null operation
In computer science, a null function (or null operator) is a subroutine that leaves the program state unchanged. When it is part of the instruction set of a processor, it is called a NOP or NOOP (No OPeration).
Bit-length
NUMBER OF BINARY DIGITS (BITS), NECESSARY TO REPRESENT AN INTEGER IN THE BINARY NUMBER SYSTEM
Bit length; Bit width
Bit-length or bit width is the number of binary digits, called bits, necessary to represent an integer as a binary number. Formally, the bit-length of a natural number n>0 is a function, bitLength(n), of the binary logarithm of n:
most significant bit
![A diagram showing how manipulating the least significant bits of a color can have a very subtle and generally unnoticeable affect on the color. In this diagram, green is represented by its [[RGB]] value, both in decimal and in binary. The red box surrounding the last two bits illustrates the least significant bits changed in the binary representation.](https://commons.wikimedia.org/wiki/Special:FilePath/LeastSignificantBitDemonstration.jpg?width=200 "A diagram showing how manipulating the least significant bits of a color can have a very subtle and generally unnoticeable affect on the color. In this diagram, green is represented by its [[RGB]] value, both in decimal and in binary. The red box surrounding the last two bits illustrates the least significant bits changed in the binary representation.")
CONVENTION TO IDENTIFY BIT POSITIONS
Most significant bit; Least significant bit; Least-significant bit; Most significant byte; Least significant byte; Significant bit; Bit significance; High-order bit; LSB0; MSB0; Least significant bits; Most significant bits; Bit position; Least Significant Bit; Most Significant Bit; Lsbit; Msbit; Most-significant bit; LSB 0; LSB 1; MSB 0; MSB 1; Lowest significant bit first; Most significant bit first; LSB1; MSB1; LSB-0; LSB-1; MSB-0; MSB-1; Bit naming; Bit order; Bit ordering; High bit; Low bit; Lowest bit; Highest bit; Least-significant bit first; Least significant bit first; Most-significant bit first
¦ noun Computing the bit in a binary number which is of the greatest numerical value.
Bit array
ARRAY DATA STRUCTURE THAT COMPACTLY STORES BITS
Bit vector; Bitvector; Boolean array; Boolean vector; Bitstring; Bitset; Bit vectors; Bit string
A bit array (also known as bit map, bit set, bit string, or bit vector) is an array data structure that compactly stores bits. It can be used to implement a simple set data structure.
least significant bit
CONVENTION TO IDENTIFY BIT POSITIONS
Most significant bit; Least significant bit; Least-significant bit; Most significant byte; Least significant byte; Significant bit; Bit significance; High-order bit; LSB0; MSB0; Least significant bits; Most significant bits; Bit position; Least Significant Bit; Most Significant Bit; Lsbit; Msbit; Most-significant bit; LSB 0; LSB 1; MSB 0; MSB 1; Lowest significant bit first; Most significant bit first; LSB1; MSB1; LSB-0; LSB-1; MSB-0; MSB-1; Bit naming; Bit order; Bit ordering; High bit; Low bit; Lowest bit; Highest bit; Least-significant bit first; Least significant bit first; Most-significant bit first
