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Computer memory unit using cascaded flip-flops
A shift register is a type of digital circuit using a cascade of flip-flops where the output of one flip-flop is connected to the input of the next. They
Shift_register
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
Microprocessor I/O port controller IC
timers (one of which can also operate as an event counter), and an 8-bit shift register for serial communications or data conversion between serial and parallel
MOS_Technology_6522
Type of shift register
nonlinear-feedback shift register (NLFSR) is a shift register whose input bit is a non-linear function of its previous state. For an n-bit shift register r its next
Nonlinear-feedback shift register
Nonlinear-feedback_shift_register
Division of this type is efficiently realised in hardware by a modified shift register, and in software by a series of equivalent algorithms, starting with
Computation of cyclic redundancy checks
Computation_of_cyclic_redundancy_checks
Class of pseudorandom number generators
Xorshift random number generators, also called shift-register generators, are a class of pseudorandom number generators that were invented by George Marsaglia
Xorshift
Synchronous serial communication interface
Transmission using a single slave involves one shift register in the master and one shift register in the slave, both of some given word size (e.g.
Serial_Peripheral_Interface
Russia. An analog feedback shift register (AFSR) is a generalization of the (binary, digital) linear-feedback shift register (LFSR). While binary LFSRs
Analog feedback shift register
Analog_feedback_shift_register
Type of pseudorandom binary sequence
(except the zero vector) that can be represented by the shift registers (i.e., for length-m registers they produce a sequence of length 2m − 1). An MLS is
Maximum_length_sequence
Computer hardware device
UART re-assembles the bits into complete bytes. Each UART contains a shift register, which is the fundamental method of conversion between serial and parallel
Universal asynchronous receiver-transmitter
Universal_asynchronous_receiver-transmitter
Natural number
allowed; also number of output sequences from a simple 32-stage cycling shift register; also number of binary irreducible polynomials whose degree divides
100,000,000
Digital imaging circuit
delay line, and an imaging device. The device could also be used as a shift register. The essence of the design was the ability to transfer charge along
Charge-coupled_device
Cryptographic key management scheme
register is to select one of the Future Key Registers. The Future Key Register to be selected is the one numbered identically to the bit in the Shift
Derived unique key per transaction
Derived_unique_key_per_transaction
A shift register lookup table, also shift register LUT or SRL, refers to a component in digital circuitry. It is essentially a shift register of variable
Shift_register_lookup_table
Serial interface for testing integrated circuits
that value bit-by-bit, in either the Shift_IR or Shift_DR stable state; TCK transitions shift the shift register one bit, from TDI towards TDO, exactly
JTAG
4-bit microprocessor
calculators, including a three-chip CPU. Busicom initially envisioned using shift registers for data storage and ROM for instructions. Intel engineer Marcian Hoff
Intel_4004
Physicist, engineer, inventor and entrepreneur
the 4003, a 10-bit serial input and serial/parallel output, static shift register to use as an I/O expander. Faggin promoted the idea of broadly marketing
Federico_Faggin
Type of counter
counter is a type of counter composed of flip-flops connected into a shift register, with the output of the last flip-flop fed to the input of the first
Ring_counter
Algorithm on linear-feedback shift registers
algorithm is an algorithm that will find the shortest linear-feedback shift register (LFSR) for a given binary output sequence. The algorithm will also find
Berlekamp–Massey_algorithm
Family of stream ciphers
Patrik Ekdahl at Lund University. They have a 512-bit linear feedback shift register at their core, followed by a non-linear output state machine with a
SNOW
Computer science topic
boundary effects at both ends of the register, arithmetic and logical shift operations behave the same, and a shift by 8 bit positions transports the bit
Bitwise_operation
Memory used to store the framebuffer in graphics cards
VRAM then copies that entire row to an internal row-buffer which is a shift register. The controller can then continue to use the DRAM port for drawing objects
Dual-ported_video_RAM
Stream cipher
combination of three linear-feedback shift registers (LFSRs) with irregular clocking. The three shift registers are specified as follows: These degrees
A5/1
Electronic circuit formed on a small, flat piece of semiconductor material
the first commercial MOS integrated circuit in 1964, a 120-transistor shift register developed by Robert Norman. By 1964, MOS chips had reached higher transistor
Integrated_circuit
Type of symmetric key cipher
typically generated serially from a random seed value using digital shift registers. The seed value serves as the cryptographic key for decrypting the
Stream_cipher
Quickly accessible working storage available as part of a digital processor
number of registers required to evaluate that expression tree. CPU cache Quantum register Register allocation Register file Shift register "What is a
Processor_register
American mathematician (1932–2016)
he became interested in communications theory and began working on shift register sequences. He spent his Fulbright year at the University of Oslo and
Solomon_W._Golomb
Serial interface
current data/value through a shift register. When invoked by the master, the data is clocked out from the shift register. The master and slave are synchronized
Synchronous_Serial_Interface
design, a Feedback with Carry Shift Register (or FCSR) is the arithmetic or with carry analog of a linear-feedback shift register (LFSR). If N > 1 {\displaystyle
Feedback with Carry Shift Registers
Feedback_with_Carry_Shift_Registers
Computer made by Xerox
is little more than a 16-bit shift register; microcode moves display refresh data from main memory to the shift register, which serializes it into a display
Xerox_Alto
Design for testing technique for integrated circuits
connected into a long shift register. Clock signal which is used for controlling all the flip-flops in the chain during shift phase and the capture phase
Scan_chain
Early British cryptanalysis computer
Bletchley Park by early 1944. An improved Colossus Mark 2 that used shift registers to run five times faster first worked on 1 June 1944, just in time
Colossus_computer
Seemingly random, difficult to predict bit stream created by a deterministic algorithm
the maximum length sequence generated by a (maximal) linear feedback shift register (LFSR). Other examples are Gold sequences (used in CDMA and GPS), Kasami
Pseudorandom_binary_sequence
Pseudorandom number generator
feedback shift register or GFSR. The Mersenne Twister algorithm is a variation on a GFSR. The GFSR is also related to the linear-feedback shift register, or
Lagged_Fibonacci_generator
Personal computer and terminal
The original Type 1 2200 shipped with 2 kilobytes (KiB) of serial shift register main memory, expandable to 8 KiB. The Type 2 2200 used denser 1 kbit
Datapoint_2200
Serializer/deserializer pair in network equipment
simplest form of the PISO has a single shift register that receives the parallel data once per parallel clock, and shifts it out at the higher serial clock
SerDes
Stream cipher
its successor, Hitag2. Crypto1 consists of a 48-bit linear feedback shift register for the state of the cipher, a two-layer 20-to-1 nonlinear function
Crypto-1
Atari digital I/O chip
This is a parallel "holding" register for the eight bit (one byte) value that will be transferred to the serial shift register for output one bit at a time
POKEY
Electronic circuit with two stable states
(tPLH). When cascading flip-flops which share the same clock (as in a shift register), it is important to ensure that the tCO of a preceding flip-flop is
Flip-flop_(electronics)
Circuit components acting like computer memory
stored. In a parallel-input shift register, logic gates are used to transfer each stored bit to an adjacent flip-flop, thus shifting the stored binary word
Hardware_register
Logic gate
linear-feedback shift registers (LFSR), are defined in terms of the exclusive-or operation. Hence, a suitable setup of XOR gates can model a linear-feedback shift register
XOR_gate
Stream cipher
number generator. Many stream ciphers are based on linear-feedback shift registers (LFSRs), which, while efficient in hardware, are less so in software
RC4
Stream cipher
state consists of three shift registers of different lengths. At each round, a bit is shifted into each of the three shift registers using a non-linear combination
Trivium_(cipher)
Integrated circuit
the data direction that had been set. An internal bidirectional 8-bit shift register enabled the CIA to handle serial I/O. The chip could accept serial input
MOS_Technology_CIA
Stream cipher
shift registers of differing lengths (25, 31, 33, 39 bits) and two internal states, each 2 bits long. At each clock tick, the registers are shifted and
E0_(cipher)
Berlekamp–Massey algorithm, an algorithm for finding the shortest linear-feedback shift register (LFSR) for a given output sequence, for use on sequences that take their
Reeds–Sloane_algorithm
First-generation computer
registers, the Gamma 3 also uses six internal registers: MC: Comparison Memory. This register holds the result of a comparison instruction. MD: Shift
Bull_Gamma_3
Cycle through all length-k sequences
lexicographic order. de Bruijn sequences can also be constructed using shift registers or via finite fields. Goal: to construct a B(2, 4) de Bruijn sequence
De_Bruijn_sequence
Type of computer memory used from 1955 to 1975
described a type of memory that would today be known as a delay-line or shift-register system. Each bit was stored using a pair of transformers, one that held
Magnetic-core_memory
Topics referred to by the same term
processing Sarcalumenin, human protein that regulates calcium transport Shift register lookup table, a component in digital circuitry Student Rugby League
SRL
in 1998. This is evident in its major component, the Linear Feedback Shift Register (LFSR), which is the same technology found in the family of SOBER machines
Turing_(cipher)
Avionics data bus standard
transceivers have been implemented with 32-bit shift registers. Parallel access to that shift register is often octet-oriented. As such, the bit order
ARINC_429
Computer processor contained on an integrated-circuit chip
special-purpose CPU with its program stored in ROM and its data stored in shift register read-write memory. Ted Hoff, the Intel engineer assigned to evaluate
Microprocessor
Family of stream ciphers
linear-feedback shift register (LFSR), a form of decimation called stuttering, and a nonlinear output filter function. The particular configuration of the shift register
SOBER
1970 free-standing CRT terminal from Digital Equipment Corporation
VT05's dynamic storage is a PMOS shift register; the delays associated with manipulating data in the shift register result in the VT05 requiring fill
VT05
Computer model built by Apple
similar feature sets. The computer generated its video output using a shift register memory and a Signetics 2513 64×8×5 Character Generator. It was capable
Apple_I
Stream cipher
y {\displaystyle y} ) to initialise the shift register and the accumulator. This is done by: Shift register: r i = y i + 31 {\displaystyle r_{i}=y_{i+31}}
Grain_128a
Stream cipher
state consists of an 80-bit linear feedback shift register (LFSR) and an 80-bit non-linear feedback shift register (NLFSR). Grain updates one bit of LFSR and
Grain_(cipher)
Minimal polynomial of a primitive element in a finite field
linear-feedback shift register with maximum cycle length (which is 2n − 1, where n is the length of the linear-feedback shift register) may be built from
Primitive polynomial (field theory)
Primitive_polynomial_(field_theory)
Simple and widely known encryption technique
fixed number of positions along the alphabet. For example, with a left shift of 3, D would be replaced by A, E would become B, and so on. The method
Caesar_cipher
Algorithm for generating pseudo-randomized numbers
obtaining long-period pseudorandom sequences is the linear-feedback shift register construction, which is based on arithmetic in GF(2)[x], the polynomial
Linear_congruential_generator
Type of integrated circuit
data, ROM to hold character fonts, or some discrete logic such as shift registers. Most often the VDC chip is used as an extension to a host computer
Video_display_controller
Algorithm to convert binary numbers to BCD
2 4 3 BCD Now eight shifts have been performed, so the algorithm terminates. The BCD digits to the left of the "original register" space display the BCD
Double_dabble
of frequency dividers and a 31-bit shift register, including the ability to feed outputs from the shift register back into its data inputs through an
Triadex_Muse
from 1999 is based on a linear congruential generator, a 3-shift linear feedback shift-register and two multiply-with-carry generators. It is 10–20% slower
KISS_(algorithm)
fifth-century Chinese mathematician. It uses a 16-stage linear feedback shift register with each stage in G F ( 2 31 − 1 ) {\displaystyle {\rm {GF}}(2^{31}-1)}
ZUC_stream_cipher
Ability of a digital electronic system to remain in unstable equilibrium forever
Synchronizers may take the form of a cascade of D flip-flops (e.g. the shift register in Figure 3). Although each flip-flop stage adds an additional clock
Metastability_(electronics)
Family of pseudorandom number generators
L'Ecuyer, and Makoto Matsumoto (松本 眞). It is a form of linear-feedback shift register optimized for software implementation on a 32-bit machine. The structure
Well equidistributed long-period linear
Well_equidistributed_long-period_linear
Computer terminal
200-bit shift registers, arranged in six tracks of nine packs each, providing shift register memory for 1800 6-bit characters. The shift-register design
Datapoint_3300
Employment practice designed for 24 hours per day / 7 days per week
Shift work is an employment practice designed to keep a service or production line operational at all times. The practice typically sees the day divided
Shift_work
Serial communication protocol for digital camera sensors
the data, a shift register and counter may be employed. The shift register catches each of the serialized bits, one at a time, then registers the data out
Camera_Link
Circuit
type of shift register network that is clocked by the input signal. The last register's complemented output is fed back to the first register's input.
Frequency_divider
Stream cipher
and Cédric Lauradoux. The core of the cipher is a Feedback with Carry Shift Register (FCSR) automaton, which is similar to a LFSR, but they perform operations
F-FCSR
German information technology company
Shift GmbH (styled as SHIFT) is a German smartphone and phablet manufacturer with its headquarters with design and development department in Wabern in
Shift_(company)
Device used for calculations
9 is encoded as BCD and sent to the X register. This "pushes" (shifts) the first number out into the Y register; When the = key is pressed, a "message"
Calculator
Binary sequence used in telecommunications
than or equal to 2(n+2)/2, where n is the size of the linear-feedback shift register used to generate the maximum length sequence. The set of the 2n − 1
Gold_code
2-kilobit shift register chips. While workable, this design required that the total framebuffer be implemented as a 307,200 byte shift register that shifted in
SuperPaint
Digital rights management system used for DVD Video discs
the cipher text. The stream cipher is based on two linear-feedback shift register (LFSR) and set up with a 40-bit seed. Mangling depends on the type of
Content_Scramble_System
Digital processing technique
a shift register. The corresponding code for our shift register implementation of achieving this 2D filtering can be seen below. // Shift register in
Parallel multidimensional digital signal processing
Parallel_multidimensional_digital_signal_processing
16-bit microprocessor
TMS9900 CPU also contains a 16-bit shift register ("CRU") designed for interfacing with external shift registers, with dedicated instructions supporting
TMS9900
Method in which data is created algorithmically as opposed to manually
used a pseudorandom number sequence generated by a linear feedback shift register in order to generate a scrolling maze of obstacles). Though modern computer
Procedural_generation
Combinational digital circuit
shift operations, the bit shifted out of the operand appears on carry-out; the value of the bit shifted into the operand depends on the type of shift
Arithmetic_logic_unit
Electronic circuits that utilize digital signals
result into flip-flops or latches in the scan shift register(s). Finally, the result of the test is shifted out to the block boundary and compared against
Digital_electronics
Novel computer memory type
et al. (April 2008). "Current-Controlled Magnetic Domain-Wall Nanowire Shift Register". Science. 320 (5873): 209–211. Bibcode:2008Sci...320..209H. doi:10
Racetrack_memory
Unit of data on an Ethernet network
hardware implementation of a logically right shifting CRC may use a left shifting Linear Feedback Shift Register as the basis for calculating the CRC, reversing
Ethernet_frame
Arrangement of keys on a typographic keyboard
combination involving register keys that are not used for normal operations (e.g. Microsoft reserve Alt+⇧ Shift or Ctrl+⇧ Shift register control keys for sequential
Keyboard_layout
the registers (except CCSR) based on some combination of bits of the previous register. The CCSR register works as a shift register: the register elements
MOSQUITO
Dedicated magnetic tape data storage device
synchronization tones (blocks of short pulses). Decoded bits are read into a shift register to turn them into 8-bit-wide bytes. Turbo Tape uses a different encoding
Commodore_Datasette
Testing method on printed circuit boards
devices that support boundary scan contain a shift-register cell for each signal pin of the device. These registers are connected in a dedicated path around
Boundary_scan
six Signetics 2504 "Dynamic shift registers" which each held 1024 bits. But only 40×24=960 locations in the shift register were actually used. the six
List of home computers by video hardware
List_of_home_computers_by_video_hardware
American computer scientist and engineer (born 1932 - disappeared 1983)
Asynchronous self controlled shift register US 3261003 Tape error indication apparatus US 3510680 Asynchronous shift register with data control gating therefor
George_Cogar
Signal conversion technique
into a shift register, which gets shifted out serially into an up/down counter acting as the demodulator's integrator. Because the shift register is clocked
Delta_modulation
Lack of confidence about one's way of speaking
the [n] sound that is typical of -ing endings in informal speech. A register shift cannot always be accounted for by documenting the individual phonological
Linguistic_insecurity
Device storing number of times an event or process occurred
the ‘1’ to shift to the next flip-flop. When the ‘1’ reaches the last flip-flop in the shift register, the next clock causes it to shift into the first
Counter_(digital)
Rambutan is a cryptographic chip for confidential communication for the UK government
it as being a stream cipher (linear-feedback shift register) based cryptosystem with 5 shift registers each of around 80 bits, and a key size of 112
Rambutan_(cryptography)
Telecommunication device that obscures signals
memory is used, but more often it is generated by a linear-feedback shift register (LFSR). In order to assure a synchronous operation of the transmitting
Scrambler
Data evaluation test
and have included: Linear congruential generator and Linear-feedback shift register Generalized Fibonacci generator Cryptographic generators Quadratic congruential
Randomness_test
Open source amateur radio mode
bitwise operation on the audio or data stream and a linear-feedback shift register using one of 3 feedback polynomials with 255, 65,535 and 16,777,215-bit
M17_(amateur_radio)
Component of a computer's CPU
the microprogram read and write shift registers for most I/O, sometimes with resistor networks and transistors to shift output voltage levels (e.g. for
Control_unit
Number expressed in the base-2 numeral system
non positional code Finger binary Gray code IEEE 754 Linear-feedback shift register Offset binary Quibinary Reduction of summands Redundant binary representation
Binary_number
SHIFT REGISTER
SHIFT REGISTER
Girl/Female
Teutonic
Swift.
Boy/Male
Hebrew
Swift.
Girl/Female
Indian
Teacher
Boy/Male
Hebrew Biblical
Swift.
Girl/Female
English Teutonic American
Swift.
Boy/Male
German American Sanskrit English French Hindi
Swift.
Boy/Male
Hindu
Swift
Boy/Male
Muslim/Islamic
Cure
Girl/Female
Tamil
Swift
Boy/Male
Latin American English Welsh
Swift.
Boy/Male
German English French
Swift.
Boy/Male
Muslim
Swift
Boy/Male
Australian, Sindhi
Cure
Surname or Lastname
English
English : nickname for a rapid runner, from Middle English swift ‘fleet’.Irish : Anglicization (part translation) of Gaelic Ó Fuada (see Foody).Americanized form of some like-sounding Jewish name.
Girl/Female
Teutonic
Swift.
Boy/Male
Tamil
Turanyu | தà¯à®°à®¾à®¨à¯à®¯à¯
Swift
Turanyu | தà¯à®°à®¾à®¨à¯à®¯à¯
Boy/Male
Anglo, Australian, British, English, Newzealand
Fast
Girl/Female
Arabic, Australian, Hebrew, Indian, Kannada, Muslim, Sindhi
Salvation; Truthful; Healing; Friend; Live without Sickness; Purity; Recovery
Boy/Male
Latin
Swift.
Boy/Male
Anglo Saxon
Swift.
SHIFT REGISTER
SHIFT REGISTER
Boy/Male
Welsh
Red haired.
Girl/Female
Muslim
Narcissus flower
Boy/Male
Indian, Punjabi, Sikh
Always in Bliss
Boy/Male
Hindi
White.
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Telugu, Traditional
Lotus
Boy/Male
Tamil
Lord Shiva, Messenger of God, Prophet, Angel
Surname or Lastname
English
English : possibly a variant of Decourcey.Perhaps an altered spelling of French Courcy.
Boy/Male
Tamil
Aryvansh | ஆரà¯à®¯à®µà®‚à®·
Boy/Male
Gujarati, Hindu, Indian, Kannada
Name of Lord Ganesha
Girl/Female
Tamil
Good taste
SHIFT REGISTER
SHIFT REGISTER
SHIFT REGISTER
SHIFT REGISTER
SHIFT REGISTER
v. t.
To exchange for another of the same class; to remove and to put some similar thing in its place; to change; as, to shift the clothes; to shift the scenes.
v. t.
To change the position of; to alter the bearings of; to turn; as, to shift the helm or sails.
v. t. & i.
To cover or clothe with a shirt, or as with a shirt.
a.
Full of, or ready with, shifts; fertile in expedients or contrivance.
v. t.
To change the place of; to move or remove from one place to another; as, to shift a burden from one shoulder to another; to shift the blame.
v. t.
The change of one set of workmen for another; hence, a spell, or turn, of work; also, a set of workmen who work in turn with other sets; as, a night shift.
n.
The long handle of a spear or similar weapon; hence, the weapon itself; (Fig.) anything regarded as a shaft to be thrown or darted; as, shafts of light.
v. t.
In building, the extent, or arrangement, of the overlapping of plank, brick, stones, etc., that are placed in courses so as to break joints.
v. t.
Something frequently shifted; especially, a woman's under-garment; a chemise.
imp. & p. p.
of Shift
n.
A solid or hollow cylinder or bar, having one or more journals on which it rests and revolves, and intended to carry one or more wheels or other revolving parts and to transmit power or motion; as, the shaft of a steam engine.
v. t.
To shift to another circuit.
p. pr. & vb. n.
of Shift
n.
A long passage for the admission or outlet of air; an air shaft.
v. t.
A change of the position of the hand on the finger board, in playing the violin.
v. t.
A breaking off and dislocation of a seam; a fault.
v. t.
To separate with a sieve, as the fine part of a substance from the coarse; as, to sift meal or flour; to sift powder; to sift sand or lime.