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Computer architecture bit width
4-bit computing is the use of computer architectures in which integers and other data units are 4 bits wide. 4-bit central processing unit (CPU) and arithmetic
4-bit_computing
Computer architecture bit width
computer architecture, 40-bit integers, memory addresses, or other data units are those that are 40 bits wide. Also, 40-bit central processing unit (CPU)
40-bit_computing
Computer architecture bit width
32-bit computing refers to computer architectures with a processor, memory, and other major components that operate on 32-bit units of data. Compared to
32-bit_computing
Computer architecture bit width
the foundation for the modern computing landscape. The 1976 Zilog Z80, one of the most popular 8-bit CPUs (though with 4-bit ALU, at least in the original)
8-bit_computing
Computer architecture bit width
engine-control microprocessor (Toshiba)" (PDF). Semiconductor History Museum of Japan. Retrieved 27 June 2019. DIGITAL Computing Timeline: 12-bit architecture
12-bit_computing
Computer architecture bit width
computer architecture, 16-bit integers, memory addresses, or other data units are those that are 16 bits (2 octets) wide. Also, 16-bit central processing unit
16-bit_computing
Unit of information
The bit is the most basic unit of information in computing and digital communication. The name is a portmanteau of binary digit. The bit represents a logical
Bit
Computer architecture bit width
architecture, 512-bit integers, memory addresses, or other data units are those that are 512 bits (64 octets) wide. Also, 512-bit central processing
512-bit_computing
Computer architecture bit width
in some 1-bit systems. Opcodes for at least one 1-bit processor architecture were 4-bit and the address bus was 8-bit. While 1-bit computing is rarely
1-bit_computing
Computer architecture bit width
computer architecture, 24-bit integers, memory addresses, or other data units are those that are 24 bits (3 octets) wide. Also, 24-bit central processing unit
24-bit_computing
Computer architecture bit width
architecture, 36-bit integers, memory addresses, or other data units are those that are 36 bits (six six-bit characters) wide. Also, 36-bit central processing
36-bit_computing
Computer architecture bit width
architecture, 256-bit integers, memory addresses, or other data units are those that are 256 bits (32 octets) wide. Also, 256-bit central processing
256-bit_computing
Computer architecture bit width
architecture, 31-bit integers, memory addresses, or other data units are those that are 31 bits wide. In 1983, IBM introduced 31-bit addressing in the
31-bit_computing
Computer architecture bit width
such a processor is a 64-bit computer. From the software perspective, 64-bit computing means the use of machine code with 64-bit virtual memory addresses
64-bit_computing
Convention to identify bit positions
In computing, bit numbering is the convention used to identify the bit positions in a binary number. The bits can be those in a memory byte or word, or
Bit_numbering
Computer architecture bit width
architecture, 128-bit integers, memory addresses, or other data units are those that are 128 bits (16 octets) wide. Also, 128-bit central processing
128-bit_computing
Computer architecture bit width
computer architecture, 48-bit integers, memory addresses, or other data units are those that are 48 bits wide. Also, 48-bit central processing unit (CPU)
48-bit_computing
Unit of digital information, usually 8 bits
representable in eight or fewer bits and processor designers commonly optimize for this usage. The popularity of major commercial computing architectures has aided
Byte
Computing using random bit streams
Stochastic computing is a collection of techniques that represent continuous values by streams of random bits. Complex computations can then be computed by simple
Stochastic_computing
Computer architecture bit width
the original on May 23, 2017. Retrieved June 18, 2015. DIGITAL Computing Timelime: 18-bit architecture Architectural Evolution in DEC’s 18b Computers, Bob
18-bit_computing
Way in which data is arranged and accessed in computer memory
on a 32-bit machine, a data structure containing a 16-bit value followed by a 32-bit value could have 16 bits of padding between the 16-bit value and
Data_structure_alignment
Computer hardware technology that uses quantum mechanics
quantum computing, the qubit (quantum bit), serves a similar function as the bit in ordinary or "classical" computing. Unlike a classical bit, which can
Quantum_computing
Extra bits in computing paradigms
Ancilla bits are extra bits (units of information) used in computing paradigms requiring reversible operations, such as classical reversible computing and
Ancilla_bit
Lost data in computing
In computing jargon, the bit bucket (or byte bucket) is the notional, metaphorical destination of any computerized data which does not go to a useful
Bit_bucket
Computer architecture bit width
Computers designed with 45-bit words are quite rare. One 45-bit computer was the Soviet Almaz [ru] ("Diamond") computer. 60-bit computing Malashevich, B.M.; Malashevich
45-bit_computing
Information transmission rate expressed in bits per second
telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time. The bit rate is expressed
Bit_rate
Number of nonzero symbols in a string
count of each 2 bits into those 2 bits x = (x & m2 ) + ((x >> 2) & m2 ); //put count of each 4 bits into those 4 bits x = (x & m4 ) + ((x >> 4) & m4 ); //put
Hamming_weight
Form of parallel computing
Bit-level parallelism is a form of parallel computing based on increasing processor word size. Increasing the word size reduces the number of instructions
Bit-level_parallelism
reset – 1-bit computing – 16-bit computing – 16550 UART – 1NF – 1TBS – 20-GATE – 20-GATE – 2B1D – 2B1Q – 2D – 2NF – 3-tier (computing) – 32-bit application
Index_of_computing_articles
Peer-to-peer file sharing protocol
receive files, users use a BitTorrent client on their Internet-connected computer, which are available for a variety of computing platforms and operating
BitTorrent
Basic unit of quantum information
quantum computing, a qubit (/ˈkjuːbɪt/) or quantum bit is a basic unit of quantum information, the quantum version of the classic binary bit. A qubit
Qubit
Base memory unit handled by a computer
In computing, a word is a fixed-sized datum handled as the natural or historical unit of data by the instruction set or the hardware of a processor. The
Word_(computer_architecture)
Supplementary bit in keyboard encoding
In computing, a bucky bit is a bit in a binary representation of a character that is set by pressing a keyboard modifier key other than the shift key
Bucky_bit
Symbols encoded in computers to make text
character code, the five-bit Baudot code and even 4-bit systems (with only 16 possible values). The more modern ASCII system uses the 8-bit byte for each character
Character_(computing)
Floating-point values coded as few bits
In computing, minifloats are floating-point values represented with very few bits. This reduced precision makes them ill-suited for general-purpose numerical
Minifloat
Computer approximation for real numbers
In computing, floating-point arithmetic (FP) is arithmetic on subsets of real numbers formed by a significand (a signed sequence of a fixed number of
Floating-point_arithmetic
Computer architecture bit width
computer architecture, 60-bit integers, memory addresses, or other data units are those that are 60 bits wide. Also, 60-bit central processing unit (CPU)
60-bit_computing
Computer architecture bit width
26-bit real memory addressing, increasing the System/370's amount of physical memory that could be attached by a factor of 4 from the previous 24-bit limit
26-bit_computing
Defunct Atari 8-bit computer magazine
ANALOG Computing was an American computer magazine devoted to Atari 8-bit computers. It was published from 1981 until 1989. In addition to reviews and
ANALOG_Computing
Unit of measure for digital data
of information is any unit of measure of digital data size. In digital computing, a unit of information is used to describe the capacity of a digital data
Units_of_information
1980s 8-bit British home computer
January 1983 stated that it "offers more computing power for the money than any other machine I saw there". Computing Today in June 1983 criticised the manual
Camputers_Lynx
Data structure that maps one or more adjacent bits
A bit field is a data structure that maps to one or more adjacent bits which have been allocated for specific purposes, so that any single bit or group
Bit_field
Number of bits used to represent a color
or for programmable palette entries. 8×8×4. 3 bits of R and G, 2 bits of B, the correct value can be computed from a color without using multiplication
Color_depth
Programmable machine that processes data
of the analytical engine's computing unit (the mill) in 1888. He gave a successful demonstration of its use in computing tables in 1906. In his work
Computer
Measure of computer performance
(FLOPS, flops or flop/s) is a measure of computer performance or compute in computing, useful in fields of scientific computations that require floating-point
Floating point operations per second
Floating_point_operations_per_second
128-bit number used to identify information in computer systems
Computer used UUIDs in the Network Computing System (NCS), launched in 1987, with a design inspired by the 64-bit unique identifiers of Domain/OS, an
Universally_unique_identifier
Programming paradigm in which many processes are executed simultaneously
parallel computing: bit-level, instruction-level, data, and task parallelism. Parallelism has long been employed in high-performance computing, but has
Parallel_computing
MIPS microprocessor
(ISA). Officially announced on 1 October 1991, it was one of the first 64-bit microprocessors and the first MIPS III implementation. In the early 1990s
R4000
Subsystem for 64-bit Windows for running 32-bit Windows programs
computing on Microsoft platforms, WoW64 (Windows 32-bit on Windows 64-bit) is a subsystem of the Windows operating system capable of running 32-bit applications
WoW64
Type of memory used on processors that require high transfer rate memory
DRAM dies (4‑Hi) has two 128‑bit channels per die for a total of 8 channels and a width of 1024 bits in total. A graphics card/GPU with four 4‑Hi HBM stacks
High_Bandwidth_Memory
Computing: 1×10−6176 is the smallest non-zero value that can be represented by a quadruple-precision IEEE decimal floating-point value. Computing: 1×10−6143
Orders_of_magnitude_(numbers)
Use of a GPU for computations typically assigned to CPUs
supercomputing it is well-known that scientific computing drives the largest concentrations of Computing power in history, listed in the TOP500: the majority
General-purpose computing on graphics processing units
General-purpose_computing_on_graphics_processing_units
Family of related bitwise operations on machine words
is a bit operation that returns the index or position of the least significant 'one' bit in its argument, counting from the least significant bit. A related
Find_first_set
Four-bit unit of binary data
In computing, a nibble, also spelled nybble to match byte, is a unit of information consisting of four bits, equivalent to one half of a byte or octet
Nibble
Bit added to a binary string for error detection
A parity bit, or check bit, is a bit added to a string of binary code. Parity bits are a simple form of error detecting code. Parity bits are generally
Parity_bit
Universal reversible logic gate, applied in quantum computing
be constructed from Toffoli gates. There is also a quantum-computing version where the bits are replaced by qubits. The truth table and permutation matrix
Toffoli_gate
Method of constructing a computer processor
a 3-bit ALU, or even more units to make an n-bit ALU. Four 4-bit ALU chips could be used to build a 16-bit ALU or eight chips to build a 32-bit word
Bit_slicing
Group of 16 bits
In computing, a hextet, or a chomp, is a sixteen-bit aggregation, or four nibbles. As a nibble is typically notated in hexadecimal format, a hextet consists
Hextet
GPU microarchitecture by AMD
mapping units : Render output units : Ray accelerators : AI accelerators and Compute units (CU) Formerly officially declared performance is twice the one shown
RDNA_4
GPU microarchitecture designed by Nvidia
Tensor Cores for AI compute and performing floating-point calculations. In the data center, Blackwell adds native support for sub-8-bit data types, including
Blackwell_(microarchitecture)
Number of bits in a key used by a cryptographic algorithm
(2128) required to try all possible 128-bit keys is widely considered out of reach for conventional digital computing techniques for the foreseeable future
Key_size
Floating-point number format by Microsoft
version 4, reintroduced the double-precision format using a 55-bit mantissa in a 64-bit (8-byte) format. MBF was abandoned during the move to QuickBASIC 4, which
Microsoft_Binary_Format
Platform-specific data size used for some historical digital hardware
instruction set) 13-bit: Saturn Launch Vehicle Digital Computer (LVDC) and Gemini Spacecraft On-Board Computer (OBC) Catena (computing) – Base memory unit
Syllable_(computing)
64-bit extension of the ARM architecture
AArch64, also known as ARM64, is a 64-bit version of the ARM architecture family, a widely used set of computer processor designs. It was introduced in
AArch64
32-bit computer number format
In computing, decimal32 is a decimal floating-point computer numbering format that occupies 4 bytes (32 bits) in computer memory. Like the binary16 and
Decimal32 floating-point format
Decimal32_floating-point_format
1979–1991 home computer series
Electronics Show; Creative Computing presents the Short Circuit Awards". Creative Computing. Vol. 9, no. 3. Ahl Computing. p. 50. ISSN 0097-8140. Archived
Atari_8-bit_computers
System with multiple networked computers
common goal for their work. The terms "concurrent computing", "parallel computing", and "distributed computing" have much overlap, and no clear distinction
Distributed_computing
processors by generation attempts to present all of Intel's processors from the 4-bit 4004 (1971) to the present high-end offerings. Concise technical data is
List_of_Intel_processors
Universal reversible logic gate, applied in quantum computing
reversible computing and conservative logic. Developed within the framework of conservative logic, the gate is designed to align computing processes with
Fredkin_gate
Computer systems capable of one exaFLOPS
Exascale computing refers to computing systems capable of calculating at least 1018 IEEE 754 double precision (64-bit) operations (multiplications and/or
Exascale_computing
Computer software bug occurring in 2038
known as Y2038, Y2K38, Y2K38 superbug, or the Epochalypse) is a time computing problem that leaves some computer systems unable to represent times after
Year_2038_problem
Datum of integral data type
signed numbers in a binary computing system. The most common is two's complement, which allows a signed integral type with n bits to represent numbers from
Integer_(computer_science)
Series of pioneering microprocessors from the 1980s
is a series of microprocessors from the 1980s, intended for parallel computing. To support this, each transputer had its own integrated memory and serial
Transputer
Computer science topic
operation operates on a bit string, a bit array or a binary numeral (considered as a bit string) at the level of its individual bits. It is a fast and simple
Bitwise_operation
Computing concept
Bit length or bit width is the number of binary digits, called bits, necessary to represent an unsigned integer as a binary number. Formally, the bit
Bit-length
American fabless semiconductor company
Ampere Computing LLC is an American fabless semiconductor company that designs ARM-based central processing units (CPUs) with high core counts for use
Ampere_Computing
List of 8-bit computer hardware palettes List of 16-bit computer hardware palettes List of video game console palettes Palette (computing) Indexed color
List_of_color_palettes
32-bit RISC-like computing architecture
operands. The basic instruction "parcel" is 16 bits: 8 bits of opcode, 4 bits of source register, and 4 bits of destination register. Immediate-operand forms
Clipper_architecture
Type of shift register in computing
In computing, a linear-feedback shift register (LFSR) is a shift register whose input bit is a linear function of its previous state. The most commonly
Linear-feedback shift register
Linear-feedback_shift_register
In computer graphics, a finite set of available colors
in graphics cards is the RGB color model with 8 bits per pixel color depth. Using this technique, 8 bits per pixel are used to describe the luminance level
Palette_(computing)
Natural number
In computing, 4,294,967,295 is the highest unsigned (that is, not negative) 32-bit integer, which makes it the highest possible number a 32-bit system
4,294,967,295
64-bit extension of x86 architecture
an evolutionary way to add 64-bit computing capabilities to the existing x86 architecture while supporting legacy 32-bit x86 code, as opposed to Intel's
X86-64
Computer data measurements and scales
information age to refer to a number of bits. In the early days of computing, it was used for differing numbers of bits based on convention and computer hardware
Orders_of_magnitude_(data)
Feature of GPUs by Nvidia
10-bit hardware encoding. It also doubles the encoding performance of 4K H.264 & HEVC when compared to previous generation NVENC. It supports HEVC 8K, 4:4:4
NVENC
Combinational digital circuit
Shirriff, Ken. "The Z-80 has a 4-bit ALU. Here's how it works." 2013, righto.com Reif, John H. (2009), "Mechanical Computing: The Computational Complexity
Arithmetic_logic_unit
Permutation that reverses binary numbers
moves. However, computing the reversal of each index may take a non-constant number of steps. Alternative algorithms can perform a bit reversal permutation
Bit-reversal_permutation
Memory management feature
In computing, Physical Address Extension (PAE), sometimes referred to as Page Address Extension, is a memory management feature for the x86 architecture
Physical_Address_Extension
Decimal representation of real numbers in computing
significant 4 bits of the significand are in the range 0 to 7 (00002 to 01112), or higher (10002 or 10012). If the 2 bits after the sign bit are "00", "01"
Decimal_floating_point
Natural number
remained the largest known prime until 1867. In computing, this number is the largest value that a signed 32-bit integer field can hold. At the time of its
2,147,483,647
Root-finding algorithm
, the reciprocal (or multiplicative inverse) of the square root of a 32-bit floating-point number x {\displaystyle x} in IEEE 754 floating-point format
Fast_inverse_square_root
Italian open-source hardware and software company
Arduino C-STEM Studio, a platform for hands-on integrated learning of computing, science, technology, engineering, and mathematics (C-STEM) with robotics
Arduino
Avionics data bus standard
order of bits (from the first transmitted bit to the last transmitted bit) for a 32-bit frame is conventionally diagrammed as First bit > 1, 2, 3, 4, 5, 6
ARINC_429
Instruction set extension by Intel
AVX-512 are 512-bit extensions to the 256-bit Advanced Vector Extensions SIMD instructions for x86 instruction set architecture (ISA) proposed by Intel
AVX-512
Microsoft's early days Triumph of the Nerds Ubiquitous computing Internet of things Fog computing Edge computing Ambient intelligence System on a chip Network
History of computing hardware (1960s–present)
History_of_computing_hardware_(1960s–present)
1995 Microsoft operating system version
Services for Windows 95 is the successor to Windows for Pen Computing that added pen computing features in Windows 95 for use in Tablet PCs, which added
Windows_95
Early type of solid state computer memory
and used to connect one word (usually an 8-bit byte) of storage to the output buffer amplifiers. Each bit of the word is a 1 or 0, depending on the storage
EPROM
The history of computing extends beyond the history of computing hardware and modern computing technology including earlier methods that relied on pen
History_of_computing
Process in quantum computing
(QEC) comprises a set of techniques used in quantum memory and quantum computing to protect quantum information from errors arising from decoherence and
Quantum_error_correction
Measure of supercomputer performance
Zettascale computing refers to computing systems capable of calculating at least "1021 IEEE 754 Double Precision (64-bit) operations (multiplications
Zettascale_computing
1970s series of Intel microcomputers
5 K pre-installed. The Intellec 4 came with 1 K of PROM and 4 K of RAM for instruction memory, as well as 320 4-bit words of data memory, expandable
Intellec
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