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Register in a computer's CPU
A memory buffer register (MBR) or memory data register (MDR) is the register in a computer's CPU that stores the data being transferred to and from the
Memory_buffer_register
Type of computer memory
Registered memory (also called buffered memory) is computer memory that has a register between the DRAM modules and the system's memory controller. A
Registered_memory
Basic instruction cycle in a computer
placed into the memory data register (MDR), also known as Memory Buffer Register (MBR). This component overall functions as an address buffer for pointing
Instruction_cycle
Topics referred to by the same term
Memory buffer register, the connection between processor and memory Bruce Buffer (born 1957), American sports announcer for UFC events Michael Buffer
Buffer
Anomaly in computer security and programming
security, a buffer overflow or buffer overrun is an anomaly whereby a program writes data to a buffer beyond the buffer's allocated memory, overwriting
Buffer_overflow
Quickly accessible working storage available as part of a digital processor
CPU: Memory buffer register (MBR), also known as memory data register (MDR) Memory address register (MAR) Architectural registers are the registers visible
Processor_register
Software anomaly
In software, a stack buffer overflow or stack buffer overrun occurs when a program writes to a memory address on the program's call stack outside of the
Stack_buffer_overflow
Use of more than one buffer to hold a block of data
necessarily require more memory and CPU time than single buffering because of the system memory allocated for the back buffer, the time for the copy operation
Multiple_buffering
Software security techniques
becoming serious security vulnerabilities. A stack buffer overflow occurs when a program writes to a memory address on the program's call stack outside of
Buffer_overflow_protection
Computer component
translation lookaside buffer (TLB) is a memory cache that stores the recent translations of virtual memory addresses to physical memory addresses. It is used
Translation_lookaside_buffer
Guidance and navigation computer used in Apollo spacecraft
SQ: 4-bit sequence register; the current instruction G: 16-bit memory buffer register, to hold data words moving to and from memory X: The 'x' input to
Apollo_Guidance_Computer
Data structure
used: The operating system shall allocate an SMAP buffer in memory (20 bytes buffer). Then set registers as specified in "Input" table. On first call, EBX
Memory_map
Computer hardware
instruction results are stored in a register or memory. The "Write Result" stage is modified to place results in the re-order buffer. Each instruction is tagged
Re-order_buffer
Minicomputer product line
Additional registers not visible to the programmer are a memory-buffer register and a memory-address register. To save money, these serve multiple purposes at
PDP-8
Topics referred to by the same term
first sector of a partitioned data storage device, used for booting Memory buffer register Minimum bounding rectangle Minimum bit rate Membrane bioreactor
MBR
Circuit components acting like computer memory
In digital electronics, a register is a group of memory cells that store a collection of bits and continuously output the stored data. It typically consists
Hardware_register
Computer memory unit using cascaded flip-flops
latched or buffered output. In a latched shift register (such as the 74595) the serial data is first loaded into an internal buffer register, then upon
Shift_register
Type of computer memory
The benefits of SDRAM's internal buffering come from its ability to interleave operations to multiple banks of memory, thereby increasing effective bandwidth
Synchronous dynamic random-access memory
Synchronous_dynamic_random-access_memory
Method of CPU communication
own instructions. Memory-mapped I/O uses the same address space to address both main memory and I/O devices. The memory and registers of the I/O devices
Memory-mapped I/O and port-mapped I/O
Memory-mapped_I/O_and_port-mapped_I/O
Interface used for connecting storage devices
it would be releasing a new memory card specification, CFexpress, which uses NVMe.[citation needed] NVMe Host Memory Buffer (HMB) feature added in version
NVM_Express
Model of human memory
sensory registers (also sensory buffers or sensory memory). Though this store is generally referred to as "the sensory register" or "sensory memory", it
Atkinson–Shiffrin memory model
Atkinson–Shiffrin_memory_model
Computer memory architecture
by filling a buffer and then signaling for activating the transfer. There are four major storage levels. Internal – processor registers and cache. Main –
Memory_hierarchy
Technique that abstracts logical registers from physical registers
is disabled and the history buffer is content-addressable memory (CAM) indexed by logical register number. Reorder Buffer (ROB) A structure that is sequentially
Register_renaming
implemented as a circular buffer that employs two memory address registers (MARs) to store the addresses of (pointers to) the next memory locations to be accessed
FIFO_(electronic)
Hardware cache of a central processing unit
lookaside buffer (TLB) which is part of the memory management unit (MMU) which most CPUs have. Input/output sections also often contain data buffers that serve
CPU_cache
Data storage device
semiconductor memory chips are $124 billion annually, accounting for 30% of the semiconductor industry. Shift registers, processor registers, data buffers and other
Semiconductor_memory
2014 family of multi-core microprocessors by IBM
moved to a so-called Memory Buffer chip (a.k.a. Centaur). Offloading certain memory processes to the Memory Buffer chip allows memory access optimizations
POWER8
A Fully Buffered DIMM (FB-DIMM) is a type of memory module used in computer systems. It is designed to improve memory performance and capacity by allowing
Fully_Buffered_DIMM
Computer architecture hardware algorithm
when the base register is available, and place it in the load/store buffer If the instruction is a load then: execute as soon as the memory unit is available
Tomasulo's_algorithm
Computing paradigm to improve computational efficiency
In the Model 91 the register renaming is implemented by a bypass termed Common Data Bus (CDB) and memory source operand buffers, leaving the physical
Out-of-order_execution
Scheduling algorithm, the first piece of data inserted into a queue is processed first
organizing the manipulation of a data structure (often, specifically a data buffer) where the oldest (first) entry, or "head" of the queue, is processed first
FIFO (computing and electronics)
FIFO_(computing_and_electronics)
Synchronous serial communication interface
device internally uses a shift register for serial communication, which together forms an inter-chip circular buffer. To support multidrop bus, slave
Serial_Peripheral_Interface
Small IBM scientific computer released in 1959
models: Operation Register – 25 lamps Memory Buffer Register – 30 lamps Memory Address Register – 25 lamps Memory Address Register Display Selector –
IBM_1620
Type of computer memory
(RDIMMs/LRDIMMs) use additional active circuitry on the memory module in order to buffer the signals between the memory controller and the DRAM chips. This reduces
DDR5_SDRAM
Self-correcting computer data storage
level 2 cache. Registered, or buffered, memory is not the same as ECC; the technologies perform different functions. It is usual for memory used in servers
ECC_memory
BIOS interrupt call for disk access
bytes) and your buffer starts at memory address 4FF00h. Utilizing memory segmentation, there are different ways to calculate the register values, e.g.:
INT_13H
Family of instruction set architectures
instruction cache memory. The relatively small number of general registers (also inherited from its 8-bit ancestors) has made register-relative addressing
X86
Third generation of double-data-rate synchronous dynamic random-access memory
which are designated by LR and are similar to registered/buffered memory, in a way that LRDIMM modules buffer both control and data lines while retaining
DDR3_SDRAM
Type of computer memory introduced 2014
which are designated by LR and are similar to registered/buffered memory, in a way that LRDIMM modules buffer both control and data lines while retaining
DDR4_SDRAM
Computing technique
the memory hierarchy so this technique is often only used for memory which does not need strong ordering (always correct) like the frame buffers of video
Write_combining
Faculty of mind to store and retrieve data
memory of a story or a movie scene). The episodic buffer is also assumed to have links to long-term memory and semantic meaning. The working memory model
Memory
Computing concept
In information technology, a write-only memory (WOM) is a memory location or register that can be written to but not read. In addition to its literal
Write-only memory (engineering)
Write-only_memory_(engineering)
Security-related instruction code processor extension
Foreshadow attack, disclosed in August 2018, combines speculative execution and buffer overflow to bypass the SGX. A security advisory and mitigation for this
Software_Guard_Extensions
Computer memory management technique
are attached expect to find data buffers located at physical memory addresses; regardless of whether the bus has a memory management unit for I/O, transfers
Virtual_memory
Computer hardware device
Many UARTs have a small first-in, first-out FIFO buffer memory between the receiver shift register and the host system interface. This allows the host
Universal asynchronous receiver-transmitter
Universal_asynchronous_receiver-transmitter
Data processing chain
and consumes the output of the last one. The buffer between two stages may be simply a hardware register with suitable synchronization and signalling
Pipeline_(computing)
Direct memory access controller
moved to the final memory by the CPU; or, in the other direction, it must be transferred from the initial memory to the intermediate buffer by the CPU before
Intel_8237
Hardware that translates virtual addresses to physical addresses
PTEs is called a translation lookaside buffer (TLB) and is used to avoid the necessity of accessing the main memory every time a virtual address is mapped
Memory_management_unit
Combinational digital circuit
the machine instruction) or from memory. The ALU result may be written to any register in the register file or to memory. In integer arithmetic computations
Arithmetic_logic_unit
Second generation of double-data-rate synchronous dynamic random-access memory
"registered" ("buffered"), which improves signal integrity (and hence potentially clock rates and physical slot capacity) by electrically buffering the
DDR2_SDRAM
Computer memory chips used as a set
technical issues. A Multi-Ranked Buffered DIMM (MR-DIMM) allows both ranks to be accessed simultaneously by the memory controller, and is supported by
Memory_rank
Component that stores information
programs and data being actively processed, computer memory serves as a mass storage cache and write buffer to improve both reading and writing performance
Computer_memory
Computer memory module
on the memory controller. Variants include LRDIMM with all lines buffered and CUDIMM/CSODIMM with only the clock signal buffered. The register feature
DIMM
Division of computer's primary memory into separately relocatable segments or sections
Memory segmentation is an operating system memory management technique of dividing a computer's primary memory into segments or sections. In a computer
Memory_segmentation
connector populated. In 2011, The Register wrote "I think we can say Braidwood has sunk without trace." Disk buffer ExpressCache Hybrid drive Smart Response
Intel_Turbo_Memory
Type of memory used on processors that require high transfer rate memory
optional base die which can include buffer circuitry and test logic. The stack is often connected to the memory controller on a GPU or CPU through a
High_Bandwidth_Memory
Feature of computer systems
overlapping DMA memory operations with processing, via double buffering or multibuffering. For example, the on-chip memory is split into two buffers; the processor
Direct_memory_access
Method of compromising a host OS though the VM
CVE-2014-0983 Oracle VirtualBox 3D acceleration multiple memory corruption CVE-2015-3456 VENOM: buffer-overflow in QEMU's virtual floppy disk controller CVE-2015-7504
Virtual_machine_escape
Type of computer memory
workstations and peripheral equipment: CPU register files, internal CPU caches and GPU caches, hard disk buffers, etc. LCD screens also may employ SRAM to
Static_random-access_memory
managed by a graphics API, typically held in device memory, including vertex buffers, index buffers, texture maps and framebuffers Repeating texture A
Glossary_of_computer_graphics
Abstract data type
of architectures that use register windows within a register-stack as another strategy to avoid the use of slow main memory for function arguments and
Stack_(abstract_data_type)
Display controller
not perform any buffering of character data. In the 1970s, 1980s, and to a lesser extent the 1990s, memory was expensive, fast memory was especially so
Motorola_6845
General-purpose programming language
for arrays, detection of buffer overflow, serialization, dynamic memory tracking, and automatic garbage collection. Memory management checking tools
C_(programming_language)
Set of techniques employed by microprocessors
the retirement buffer. The store remains in the store queue and retirement buffer and retires normally, committing its value to the memory system when it
Memory_disambiguation
Problems with central processing unit design
bold, while Register numbers are not. For example, to write the value 3 to register 1, (which already contains a 6), and then add 7 to register 1 and store
Hazard (computer architecture)
Hazard_(computer_architecture)
Computer security exploit technique
often a buffer overrun. In a buffer overrun, a function that does not perform proper bounds checking before storing user-provided data into memory will accept
Return-oriented_programming
Instruction set architecture extension
cache-based approach with memory ordering buffer (MOB) for the same purpose, possibly also providing multi-versioned transactional memory that is more amenable
Transactional Synchronization Extensions
Transactional_Synchronization_Extensions
Educational hypothetical computer
the accumulator register. X (1): Stores and calculates addresses; known as the index register. L (2): Used for jumping to specific memory addresses and
Simplified Instructional Computer
Simplified_Instructional_Computer
Data used for bitwise operations
GL_COLOR_BUFFER_BIT) != 0) { // Clear color buffer. } if ((bits & GL_DEPTH_BUFFER_BIT) != 0) { // Clear depth buffer. } if ((bits & GL_ACCUM_BUFFER_BIT)
Mask_(computing)
Minicomputer
a 16-bit memory buffer register (MBR) used to temporarily hold operands for two-operand instructions (the other being ACR). 15-bit registers were used
Raytheon_704
Digital circuit that produces sums from inputs
Stack register Register file Memory buffer Memory address register Program counter Control unit Hardwired control unit Instruction unit Data buffer Write
Adder_(electronics)
Form of computer data storage
memory architecture RAM parity Read-mostly memory (RMM) Regenerative capacitor memory Registered/buffered memory Technology portal "RAM". Cambridge English
Random-access_memory
General-purpose programming language
Error![]u8 { const buffer = try allocator.alloc( u8, original.len * times, ); for (0..times) |i| { std.mem.copyForwards( u8, buffer[(original.len * i)
Zig_(programming_language)
Working storage in a computer processor
(CPUs), as data memory in FIFOs, and in hardware accelerators. Simplified schematic of a basic 3-port register file which has m registers, each n-bits wide
Register_file
Series of 16-bit computers by Texas Instruments
[according to whom?] On the TI-990, registers are stored in memory and are referred to through a hardware register called the Workspace Pointer. The concept
TI-990
types, what state there is (such as the main memory and registers) and their semantics (such as the memory consistency and addressing modes), the instruction
Comparison of instruction set architectures
Comparison_of_instruction_set_architectures
Computer vulnerability using speculative execution
2020-06-09. Intel (June 14, 2022) [Disclosed June 9, 2020]. Special Register Buffer Data Sampling (Technical report). Retrieved 2024-03-21. ... systems
Transient execution CPU vulnerability
Transient_execution_CPU_vulnerability
Control registers in some x86 processors
first of these were two "test registers" (TR6 and TR7) that enabled testing of the processor's translation lookaside buffer (TLB); a special variant of
Model-specific_register
Electronic non-volatile computer storage device
Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash
Flash_memory
Type of computer memory
random-access memory (dynamic RAM or DRAM) is a type of random-access semiconductor memory that stores each bit of data in a memory cell. A DRAM memory cell usually
Dynamic_random-access_memory
Computer fault caused by access to restricted memory
in a buffer overflow that stays within a page but illegally overwrites memory. At the hardware level, the fault is initially raised by the memory management
Segmentation_fault
Subsystem of the Linux kernel
queue in their own memory to dispatch commands to the GPU and also require management of buffers and free space within that memory. Initially, user-space
Direct_Rendering_Manager
Sequence in no-operation instructions
amount of memory in which to hold a NOP-slide large enough to be of any use. This can be a problem when the allocated size of the affected buffer is too
NOP_slide
General-purpose programming language
misaligned pointers, and the absence of buffer overflows and double free errors. Memory leaks are possible in safe Rust. Memory leaks may occur as a result of
Rust_(programming_language)
NO = 10). Outputs with higher output currents are often called drivers or buffers. Pins column – number of pins for the dual in-line package (DIP) version;
List of 7400-series integrated circuits
List_of_7400-series_integrated_circuits
"The Benefits of Ancient Logic". Analog Devices. "Logic Circuit | Register | Buffer | Driver | Gate | Overview | Logic | TI.com". ti.com. Retrieved 2016-04-28
List of 4000-series integrated circuits
List_of_4000-series_integrated_circuits
Type of computer memory
cycle time (tRFC), row active time (tRAS).[citation needed] Buffering Registered (or buffered) vs. unbuffered (RDIMM vs. UDIMM). Packaging: Typically DIMM
DDR_SDRAM
Arbitrary code execution exploit
protected by the CPU's memory management unit. Linux kernel interfaces Vulnerability (computing) Exploit (computer security) Buffer overflow Address space
Sigreturn-oriented programming
Sigreturn-oriented_programming
4 MB of embedded DRAM as video memory 48 gigabytes per second peak bandwidth Texture buffer bandwidth: 9.6 GB/s Frame buffer bandwidth: 38.4 GB/s eDRAM bus
PlayStation 2 technical specifications
PlayStation_2_technical_specifications
A page address register (PAR) contains the physical addresses of pages currently held in the main memory of a computer system. PARs are used in order
Page_address_register
Storage of digital data readable by computers
Computer data storage Aperture (computer memory) Mass storage Memory leak Memory protection Page address register Stable storage Data deduplication Data
Computer_data_storage
Collection of programming language APIs
data transfer is based on buffers (java.nio.Buffer and related classes). These classes represent a contiguous extent of memory, together with a small number
Non-blocking_I/O_(Java)
Overview of the technical specifications of the GameCube
May 2, 2008. Retrieved March 28, 2008. "| Nintendo - Customer Service - Memory Card 1019 |". "Nintendo GameCube Accessories". Nintendo. Retrieved July
GameCube technical specifications
GameCube_technical_specifications
Type of computer
accumulator register buffered the memory stack's top data value. Variants of load and store opcodes controlled when that register was spilled to the memory stack
Stack_machine
Maximum amount of RAM accessible by a computer
color video buffer space, some third-party utilities could add memory at the top of the 640k conventional memory area, to extend memory up to the base
RAM_limit
address pointing to the base of the frame buffer in main memory, while 0F was a bit-mapped control register with various setup information. The Dazzler
Cromemco_Dazzler
Computer component
(IP) register is the address of the next instruction to be fetched. This value is placed on the address bus and sent to the memory unit; the memory unit
Instruction_unit
Computer hardware technology
provides many security functions including special registers (called Platform Configuration Registers – PCRs) which hold various measurements in a shielded
Trusted_Execution_Technology
Software that manages computer hardware resources
memory address of the memory buffer to a predetermined device register. Set the buffer size (an integer) to another predetermined register. Execute the machine
Operating_system
Processor extension for the x86-64 line of processors
slightly reduced memory access speed. In practice this cost is greatly mitigated by caches such as the translation lookaside buffer (TLB). Future extensions
Intel_5-level_paging
MEMORY BUFFER-REGISTER
MEMORY BUFFER-REGISTER
Girl/Female
Muslim
Memory
Girl/Female
Tamil
Memory
Female
English
Pet form of English Elizabeth, BUFFY means "God is my oath."
Girl/Female
English American Welsh
Merry; mirthful; joyous. Also an abbreviation of Meredith.
Male
Japanese
(守) Japanese name MAMORU means "protector."
Girl/Female
Tamil
Memory
Surname or Lastname
English
English : possibly of Flemish origin, from a pet form of the Germanic personal name Bufo.English : alternatively, perhaps, from a diminutive of Old French bufe, buffe ‘blow’, ‘slap in the face’, hence probably a nickname for a rough or uncouth man.
Girl/Female
English American Greek
Melody.
Male
English
Variant spelling of English Emery, EMORY means "work-power."
Surname or Lastname
English
English : variant spelling of Emery.
Surname or Lastname
English
English : from Old French cof(f)re ‘chest’, ‘box’, applied as a metonymic occupational name for a maker of coffers or chests or, by extension, for a treasurer.Probably an Americanized spelling of German Kaufer or Kauffer (see Kaufer).
Surname or Lastname
German
German : variant of Rufer.German : variant of Roffers.English : variant of Rover 1.
Surname or Lastname
English
English : nickname, of Norman origin, for a reliable or good-hearted person, from Old French bon ‘good’ + cuer ‘heart’ (Latin cor).German : variant of Boenker.Bunker Hill in Charlestown, MA, was named as land assigned in 1634 to George Bunker of Charlestown, who had emigrated from Odell in Bedfordshire, England.
Male
English
English slang term for someone who breaks things transferred to forename use, originally derived from the verb bust, BUSTER means "to break, smash," hence "breaker, destroyer, smasher."
Surname or Lastname
English
English : variant of Embury or Emery.
Male
Polish
Polish form of Greek Methodios, METODY means "method."
Surname or Lastname
English
English : possibly an unflattering nickname for a boastful, swaggering person (one who huffs and puffs).German (Hüffer) : from the Germanic personal name Hugifrid, composed of hug ‘head’, ‘mind’, ‘spirit’ + frid ‘peace’.North German (Hüffer) : status name for a prosperous small farmer. Compare South German Huber.German : probably an American spelling of Hof or Hoff.
Female
English
English name derived from the vocabulary word, MELODY means "melody."
Surname or Lastname
English
English : nickname for someone with some fancied resemblance to a bittern, perhaps in the booming quality of the voice, from Middle English, Old French butor ‘bittern’ (a word of obscure etymology).English and German : metonymic occupational name for a dairyman or seller of butter, from Old English butere ‘butter’, Middle High German buter.German : possibly a short form of any of the various compound names formed with Butter ‘butter’ (see 2).
Surname or Lastname
English
English : variant of Burger.
MEMORY BUFFER-REGISTER
MEMORY BUFFER-REGISTER
Girl/Female
Greek
Myrtle.
Boy/Male
Indian, Traditional
Endless
Girl/Female
Muslim/Islamic
Jubilant
Girl/Female
Latin American
Laurel tree or sweet bay tree (symbols of honour and victory).
Girl/Female
Hindu
Light
Girl/Female
Indian, Sanskrit
Delighting in Contentment
Girl/Female
Indian, Tamil
Growing Moon
Boy/Male
Hindu
Girl/Female
Tamil
Virtuous, Proficient
Boy/Male
Arabic, Hindu, Indian, Marathi, Muslim, Sanskrit, Telugu, Urdu
A Vow to a Deity
MEMORY BUFFER-REGISTER
MEMORY BUFFER-REGISTER
MEMORY BUFFER-REGISTER
MEMORY BUFFER-REGISTER
MEMORY BUFFER-REGISTER
v. t.
To put into a coffer.
n.
The time within which past events can be or are remembered; as, within the memory of man.
v. i.
A small stool; a stool for a buffet or counter.
n.
Something, or an aggregate of things, remembered; hence, character, conduct, etc., as preserved in remembrance, history, or tradition; posthumous fame; as, the war became only a memory.
n.
Comic opera. See Opera Bouffe.
v. t.
To affect as with blows; to strike repeatedly; to strive with or contend against; as, to buffet the billows.
n.
One who buffets; a boxer.
n.
A wheel for buffing; a buff.
n.
The eelpout; guffer eel.
n.
The actual and distinct retention and recognition of past ideas in the mind; remembrance; as, in memory of youth; memories of foreign lands.
n.
Memory.
n.
One who polishes with a buff.
n.
Anything which resists or deadens a bump or shock; a buffer.
v. t.
To plait, crimp, or flute; to goffer, as lace. See Goffer.
v. i.
To feel or undergo pain of body or mind; to bear what is inconvenient; as, we suffer from pain, sickness, or sorrow; we suffer with anxiety.
n.
An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car.
n.
Alt. of Memoirs
v. t.
To undergo; to be affected by; to sustain; to experience; as, most substances suffer a change when long exposed to air and moisture; to suffer loss or damage.
n.
The reach and positiveness with which a person can remember; the strength and trustworthiness of one's power to reach and represent or to recall the past; as, his memory was never wrong.
n.
Any substance resembling butter in degree of consistence, or other qualities, especially, in old chemistry, the chlorides, as butter of antimony, sesquichloride of antimony; also, certain concrete fat oils remaining nearly solid at ordinary temperatures, as butter of cacao, vegetable butter, shea butter.