In 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...

In computer architecture, 64-bit integers, memory addresses, or other data units are those that are 64 bits wide. Also, 64-bit central processing units...

changes in the 64-bit extensions include: 64-bit integer capability All general-purpose registers (GPRs) are expanded from 32 bits to 64 bits, and all arithmetic...

In computer architecture, 8-bit integers or other data units are those that are 8 bits wide (1 octet). Also, 8-bit central processing unit (CPU) and arithmetic...

were a multiple of 8-bits, with 16-bit machines being popular in the 1970s before the move to modern processors with 32 or 64 bits. Special-purpose designs...

Wide Web. While 32-bit architectures are still widely-used in specific applications, the PC and server market has moved on to 64 bits with x86-64 since...

32 bits to 40 bits, was added to the Armv7-A architecture in 2011. The physical address size may be even larger in processors based on the 64-bit (Armv8-A)...

Halfword Two bytes 16 bits Word Four bytes 32 bits Doubleword 8 bytes 64 bits Quadword 16 bytes 128 bits Page 4096 bytes Although z/Architecture allows real...

AX register corresponds to the lower 16 bits of the new 32-bit EAX register, SI corresponds to the lower 16 bits of ESI, and so on. The general-purpose...

computer architecture, 128-bit integers, memory addresses, or other data units are those that are 128 bits (16 octets) wide. Also, 128-bit central processing...

Micro Channel architecture. The 16-bit ISA bus was also used with 32-bit processors for several years. An attempt to extend it to 32 bits, called Extended...

registers. The program counter has 32 bits. The two low-order bits always contain zero since MIPS I instructions are 32 bits long and are aligned to their natural...

of floating-point registers from 4 to 16. Enterprise Systems Architecture is essentially a 32-bit architecture; as with System/360, System/370, and 370-XA...

color palettes used on 16-bit computers, which were primarily manufactured from 1985 to 1995. Due to mixed-bit architectures, the n-bit distinction is not...

to the 16-bit 286 instruction set) are: 32-bit integer capability All general-purpose registers (GPRs) are expanded from 16 bits to 32 bits, and all arithmetic...

individual bits can be set, cleared, or toggled from C/C++ without performing a read-modify-write sequence of instructions. Though the bit-band is optional...

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...

design implements a 32-bit instruction set, with 32-bit registers and a 16-bit internal data bus. The address bus is 24 bits and does not use memory...

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...

IA-64 (Intel Itanium architecture) is the instruction set architecture (ISA) of the discontinued Itanium family of 64-bit Intel microprocessors. The basic...

bit of the byte or half-word (signed load). During a store, those instructions discard the upper bits in the register and store only the lower bits....

The PDP-11 architecture is a 16-bit CISC instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC). It is implemented by central...

In computer architecture, 1-bit integers or other data units are those that are 1 bit (1/8 octet) wide. Also, 1-bit central processing unit (CPU) and...

up to total of 6-stage instruction pipeline, extended the architecture from 16-bits to 32-bits, and added an on-chip memory management unit. This paging...

and a 12-bit mantissa), Thomas J. Scott's WIF of 1991 (5 exponent bits, 10 mantissa bits) and the 3dfx Voodoo Graphics processor of 1995 (same as Hitachi)...

8-bit processor must add two 16-bit integers. The processor must first add the 8 lower-order bits from each integer, then add the 8 higher-order bits,...

number format that occupies 16 bytes (128 bits) with precision at least twice the 53-bit double precision. This 128-bit quadruple precision is designed...

introduction, SuperH was notable for having fixed-length 16-bit instructions in spite of its 32-bit architecture. Using smaller instructions had consequences: the...

the i286 architecture, the register is 16 bits wide. Its successors, the EFLAGS and RFLAGS registers (in modern x86-64), are 32 bits and 64 bits wide, respectively...

The Harvard architecture is a computer architecture with separate storage and signal pathways for instructions and data. It is often contrasted with the...