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Magnetic data storage device
computer memory. Many early computers, called drum computers or drum machines, used drum memory as the main working memory of the computer. Some drums were
Drum_memory
First computer to use magnetic disk storage
length decimal (BCD) computer with a drum memory rotating at 6000 RPM that held 3200 alphanumeric characters. A core memory buffer of 100 characters was used
IBM_305_RAMAC
Earliest electronic computer design
access memory of 1,024 words of 36 bits each. The access time for Williams-tube memory on the IBM 701 was 30 microseconds. Magnetic drum memory was invented
Vacuum-tube_computer
Component that stores information
random-access memory, although some older forms of computer memory, such as drum memory, are not random-access. Archaic synonyms for main memory include core
Computer_memory
Computer memory management technique
memory that consisted of 16,384 words of primary core memory with an additional 98,304 words of secondary drum memory. The addition of virtual memory
Virtual_memory
Storage of digital data readable by computers
rotating magnetic drums as primary storage. By 1954, those unreliable methods were mostly replaced by magnetic-core memory. Core memory remained dominant
Computer_data_storage
Computer memory that does not lose its contents after being turned off
Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retain stored information even after power is removed. In contrast
Non-volatile_memory
in a mechanically rotating drum for memory. However, its paper card writer/reader was unreliable and the regenerative drum contact system was mechanical
History_of_computing_hardware
Self-correcting computer data storage
Error correction code memory (ECC memory) is a type of computer data storage that uses an error correction code (ECC) to detect and correct n-bit data
ECC_memory
Informatician, inventor, engineer
archives of the Technisches Museum Wien. In 1932 Tauschek built a magnetic drum memory. Throughout the 1930s Tauschek worked as a consultant to IBM. For IBM
Gustav_Tauschek
Type of computer memory
Static random-access memory (static RAM or SRAM) is a type of random-access memory (RAM) that uses latching circuitry (flip-flop) to store each bit. SRAM
Static_random-access_memory
Type of computer memory
magnetic-core memory. Capacitors had also been used for earlier memory schemes, such as the drum of the Atanasoff–Berry Computer, the Williams tube and the
Dynamic_random-access_memory
Form of computer memory
for main memory functions. Ultrasonic delay lines were serial devices which could only reproduce data in the order it was written. Drum memory could be
Random-access_memory
Recording of information in a storage medium
optical disc drives, memory cards, and solid-state drives (SSDs). It also includes experimental forms like holographic memory. Mass storage includes
Data_storage
Type of memory used on processors that require high transfer rate memory
High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM), initially developed by Samsung
High_Bandwidth_Memory
Computer memory that loses its contents when unpowered
Volatile memory, in contrast to non-volatile memory, is computer memory that requires power to maintain the stored information; it retains its contents
Volatile_memory
processor using fixed-point data with 27-bit words. The storage was a drum memory. Electronic circuits were soldered encapsulated modules, consisting of
ASC-15
Early form of read-only memory
Core rope memory is a form of read-only memory (ROM) for computers. It was used in the UNIVAC I (Universal Automatic Computer I) and the UNIVAC II, developed
Core_rope_memory
Librascope General Purpose computer (1956)
single address instruction set had only 16 commands. Magnetic drum memory held the main memory, and the central processing unit (CPU) processor registers
LGP-30
magnetic core memory was 16383 words. The programmable program memory had a maximum size of 4096 words. For mass storage there was a drum memory available
Z25_(computer)
Transistorized computer delivered from 1961 to 1967
word length and used an 8192-word drum memory as main storage, with 256 words of rapid-access ferrite core memory. It operated on fixed and floating-point
Z23_(computer)
Type of computer memory used from 1955 to 1975
magnetic-core memory is a form of random-access memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called core memory, or, informally
Magnetic-core_memory
Form of non-volatile memory used in computers and other electronic devices
Read-only memory (ROM) is a form of non-volatile memory used in computers and other electronic devices. Data stored in ROM cannot be electronically modified
Read-only_memory
non-volatility. Magnetic tape is a type of sequential access memory still in use; historically, drum memory has also been used. Sequential access Basic sequential
Sequential_access_memory
First implementation of paged virtual memory
freeing programs from being forced to use physical locations on the drum memory. It did this by using a modified ALGOL compiler (the only programming
THE_multiprogramming_system
German 1950s computer
of 38-bit as fast-access RAM implemented as core memory 8192-word (38-bit each) magnetic drum memory as RAM One teletype as console and main input/output
Z22_(computer)
Persistent computer data storage with no moving parts
interface or SPI. Electronics portal Drum memory – a magnetic data storage device used as the main working memory in many early computers i-RAM – a DRAM-based
Solid-state_storage
Vacuum-tube 1950s computer system
computers used vacuum tubes and drum memory too, but they were quite different from the IBM 650. Instructions read from the drum went to a program register
IBM_650
Computer announced by UNIVAC in 1958
addition of 1,280 words of core memory and support for magnetic tape drives. The SS I had only the standard 5,000-word drum memory described in this article
UNIVAC_Solid_State
Topics referred to by the same term
Look up Drum or drum in Wiktionary, the free dictionary. A drum is a musical instrument. Drum, drums or The Drum may also refer to: Drum (communication)
Drum_(disambiguation)
Discontinued computer memory type
XPoint (pronounced three-D cross point) is a discontinued non-volatile memory (NVM) technology developed jointly by Intel and Micron Technology. It was
3D_XPoint
Data storage device
(also known as a thumb drive) is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable
USB_flash_drive
Parts of a drum kit
Drum "racks" are stands surrounding a drum kit onto which percussion instrument holders may be clamped. "Memory locks" are clamps used to make drum and
Drum_hardware
Data-storage devices
random access for stored data. Drums were later largely replaced by the hard disk drive. Drums were used as main memory by IBM in computers including the
IBM_drum_storage
Chinese digital electronic computer
103 computer initially used magnetic drum memory, later adding magnetic core memory. With magnetic drum memory, the 103 computer operated at approximately
DJS-1
Obsolete type of non-volatile computer memory
the memory cycling through the material. In operation, bubble memories are similar to magnetic drums and delay-line memory systems. Bubble memory started
Bubble_memory
Computer memory type used for data preservation
laser writing process. It is also branded Superman memory crystal, in reference to the Kryptonian memory crystals from the Superman franchise. Discs using
5D_optical_data_storage
World's first industrial robot, first produced in 1961
another box and was connected to an arm, with systematic tasks stored in a drum memory. In 2003 the Unimate was inducted into the Robot Hall of Fame. The 1961
Unimate
Pioneering American computer firm (1946–1952)
computers, but as the market expanded they became better known for their drum memory systems. They were eventually purchased by Remington Rand and merged
Engineering Research Associates
Engineering_Research_Associates
Computer made in France circa 1960
Binary Automatic Calculator 500) was a transistorized computer using drum memory designed between 1957-1959 by Société d'Electronique et d'Automatisme
CAB_500
Data storage device
Semiconductor memory is a digital electronic semiconductor device used for digital data storage, such as computer memory. It typically refers to devices
Semiconductor_memory
First-generation computer
E.T.'s memory in groups of 48 instructions, referred to as "series". When needed, a series was moved from the drum to an intermediate memory group acting
Bull_Gamma_3
Type of computer introduced in 1956
× 0.91 m × 0.91 m) and weighs about 966 lb (438 kg). The G-15 has a drum memory of 2,160 29-bit words, along with 20 words used for special purposes
Bendix_G-15
Sweden's first electronic computer
Institute of Technology, U.S. During the development of the BESK magnetic drum memory, Olle Karlqvist discovered a magnetic phenomenon, which has been called
BESK
Early type of computer memory
electronic computer memory, delay-line memory was a refreshable memory, but as opposed to modern random-access memory, delay-line memory was sequential-access
Delay-line_memory
Early form of computer memory
inventors Freddie Williams and Tom Kilburn, is an early form of computer memory. It was the first random-access digital storage device, and was used successfully
Williams_tube
Early computer built by the RAND Corporation, in service 1953-1966
that stored data in the "spare bits" to fail. Later in 1955 a 12k-word drum memory secondary storage system was added as well. A transistor-based adder
JOHNNIAC
Computer memory used for small quantities of data
or E2PROM (electrically erasable programmable read-only memory) is a type of non-volatile memory. It is used in computers, usually integrated in microcontrollers
EEPROM
American mainframe and supercomputer firm (1957–1999)
from the UNIVAC developers. Rand was most interested in the magnetic drum memory systems that ERA had pioneered. By the mid-1950s, Remington Rand's initial
Control_Data_Corporation
Computer programmer
quirks, for example taking advantage of the rotation of the LGP-30's drum memory to avoid writing delay loops into the code. The story, as written by
The_Story_of_Mel
British computer scientist (1918–2009)
physicist and computer scientist who was an early developer of the magnetic drum memory for computers. He is known for Booth's multiplication algorithm. In his
Andrew_Donald_Booth
started as drum memory which was an early form of memory for computers. The drum would have to be pre-loaded with data and small heads in the drum would read
Internal_RAM
Computer memory architecture
In computer architecture, the memory hierarchy separates computer storage into a hierarchy based on response time. Since response time, complexity, and
Memory_hierarchy
Electronic musical instrument that creates percussion sounds
A drum machine is an electronic musical instrument that creates percussion sounds, drum beats, and patterns. Drum machines may imitate drum kits or other
Drum_machine
Type of computer memory
memory. A standard for persistent memory known as NVDIMM-P has been published in 2021. Some early computers used magnetic drum, which was non-volatile as a
Non-volatile random-access memory
Non-volatile_random-access_memory
Univac computer introduced in 1958
magnetic core memory, in two or three banks of 4,096 words each. Magnetic drum memory provided either 16,384 or 32,768 words, in one or two drums with 16,384
UNIVAC_1105
Type of computer memory
rate synchronous dynamic random-access memory (DDR SDRAM) is a type of synchronous dynamic random-access memory (SDRAM) widely used in computers and other
DDR_SDRAM
US Air Force command, control, and coordination system
activities. Advanced Display Console Drum memory system with controller and two vertical drum memory devices. Each drum read and wrote 50 bits at a time in
AN/FSQ-31 SAC Data Processing System
AN/FSQ-31_SAC_Data_Processing_System
American robotics company (1962-88)
invented a variety of new technologies, including a unique rotating drum memory system with data parity controls. In 1960, Devol personally sold the
Unimation
Secondary storage device
access to data, the main examples being drum memory and hard disk drives. Later, optical disc drives and flash memory units are also classified as DASD. The
Direct-access_storage_device
compatible with the sequential access memory in computers of those times — mostly magnetic tape memory and drum memory. Use of Cracovians in astronomy faded
Cracovian
Early computer using drum memory
magnetic drum memory holding 8K words organised as 256 tracks of 32 instructions; accumulators were also implemented as recirculating drum tracks in
ZEBRA_(computer)
Novel type of computer memory
Resistive random-access memory (ReRAM or RRAM) is a type of non-volatile (NV) random-access (RAM) computer memory that works by changing the resistance
Resistive random-access memory
Resistive_random-access_memory
Early French computer manufacturer from 1947
in magnetic core memory. The Symmag would prove to be a central element in the architecture of the CAB 500, alongside a drum memory and sixteen 32-bit
Société d'électronique et d'automatisme
Société_d'électronique_et_d'automatisme
ferromagnetic surface layer to the magnetic drum memory for the BESK computer. When designing a magnetic memory store, the ferromagnetic layer must be studied
Karlqvist_gap
American physicist (1911–1959)
storage of large capacity and a magnetic drum memory of low capacity. The write-once-read-many optical disk memory would be updated monthly, and recently
Louis_Ridenour
Computer storage device with no moving parts
driven storage medium. SSDs rely on non-volatile memory, typically NAND flash, to store data in memory cells. The performance and endurance of SSDs vary
Solid-state_drive
Large multi-threaded computer released in 1960
(non-return-from-zero), a technology that had been previously developed for the drum memory of the Gamma 3. Class 3 included slower recording equipment such as:
Bull_Gamma_60
Part of computer memory
The memory cell is the fundamental building block of computer memory. The memory cell is a device, such as an electronic circuit, that stores one bit of
Memory_cell_(computing)
Type of computer memory
type of synchronous dynamic random-access memory (SDRAM) designed to use less power than conventional memory. It is commonly used in smartphones, tablet
LPDDR
1996 EP by Nevermore
In Memory is an EP by American heavy metal band Nevermore. It was recorded in April and May 1996 and released on July 23, 1996. It features a Bauhaus medley
In_Memory
Univac computer introduced in 1953
random-access memory of 1024 words of 36 bits each. Each of the 36 Williams tubes was 5 inches (130 mm) in diameter. A magnetic drum memory provided 16
UNIVAC_1103
Action performed by computers
disks, CDs, DVDs and magnetic tape, as well as early primary memory types such as drum memory, read and write data only in a predetermined order, consecutively
Reading_(computer)
Drum machine
The LinnDrum, often erroneously referred to as the LM-2, is a drum machine manufactured by Linn Electronics between 1982 and 1985. About 5,000 units were
LinnDrum
Early type of solid state computer memory
read-only memory, is a type of programmable read-only memory (PROM) chip that retains its data when its power supply is switched off. Computer memory that
EPROM
American jazz drummer and bandleader (1917–1987)
sheet music, preferring to listen to the drum parts played in rehearsal by his drum roadie and rely on his memory. Rich was born in Sheepshead Bay, Brooklyn
Buddy_Rich
Type of computer memory
Synchronous dynamic random-access memory (synchronous dynamic RAM or SDRAM) is any DRAM where the operation of its external pin interface is coordinated
Synchronous dynamic random-access memory
Synchronous_dynamic_random-access_memory
Write once computer memory
A programmable read-only memory (PROM) is a form of digital memory where the contents are set after the device is manufactured. Once set, the contents
Programmable_ROM
bits/second to identical magnetic drum storage devices in each major city in the United States. These slave drum memory units located in the metropolitan
Stock_market_data_systems
memory built was the rotating capacitor drum memory of the Atanasoff–Berry Computer (1942). Each of its two drums stored thirty 50-bit binary numbers (1500
Regenerative_capacitor_memory
1950s electronic digital computer
8-inch-diameter (200 mm), 10,000-word magnetic drum memory. (As CALDIC's decimal words were 10 digits each, the magnetic memory could store about 400,000 bits.) It
CALDIC
Flat, usually circular disc that encodes binary data
File operations of traditional mass storage devices such as flash drives, memory cards and hard drives can be simulated using a UDF live file system. For
Optical_disc
Variant of magnetic-core computer memory
Plated-wire memory is a variation of magnetic-core memory developed by Bell Laboratories in 1957. Its primary advantage was that it could be assembled
Plated-wire_memory
Family of mainframe computers
and its successors. They all used vacuum tubes and many used drum memory as their main memory. Some were designed by Engineering Research Associates (ERA)
UNIVAC_1100/2200_series
Electro-mechanical data storage device
produced in large volume, like mobile phones and tablets, rely on flash memory storage devices. More than 224 companies have produced HDDs historically
Hard_disk_drive
- 3 code), 20 bit (13 decimal places + sign) Command length 7 digits Drum memory with 3000 words Ferrite core register (20 ms access time) Clock frequency
Darmstadt Electronic Computing Machine
Darmstadt_Electronic_Computing_Machine
Data recording made of plastic film
cartridges and cassettes Pogue, David (1 September 2016). "Digitize Those Memory-Filled Cassettes before They Disintegrate". Scientific American. Archived
Magnetic_tape
Replaceable device used for the distribution and storage of video games
exposed by the port and attached via an edge connector; the cartridge was memory mapped directly into the system's address space such that the CPU could
ROM_cartridge
Computers manufactured by General Electric
data, with between 1020 and 65,536 words of magnetic core memory, and a magnetic drum memory with 8192 to 262,144 word capacity. The CPU logic is implemented
GE/PAC_4000
Defunct computer company
pre-announced the "CEC 30-201" computer, a vacuum tube computer with a magnetic-drum memory. That same year CEC reorganized computer development into a separate
ElectroData_Corporation
Programmable machine that processes data
300 vacuum tubes, with capacitors fixed in a mechanically rotating drum for memory. During World War II, the British code-breakers at Bletchley Park achieved
Computer
UNIVAC 1101, using its 24-bit word and a smaller (only 8,192 words) drum memory. The machine had 2,700 vacuum tubes, weighed 14,000 pounds (7.0 short
UNIVAC_1102
Novel computer memory type
Phase-change memory (also known as PCM, PCME, PRAM, PCRAM, OUM (ovonic unified memory) and C-RAM or CRAM (chalcogenide RAM)) is a type of non-volatile
Phase-change_memory
Memory card format
MultiMediaCard (MMC) is a memory card standard used for solid-state storage, originally introduced in 1997 by SanDisk, Siemens, and Nokia. Designed as
MultiMediaCard
Early transistorized digital computer
binary-coded decimal words used fixed-point arithmetic. Main memory was a 32-word magnetic drum memory. Input and output devices included a console keyboard
Clary_DE-60
Novel type of computer memory
Ferroelectric RAM (FeRAM, F-RAM or FRAM) is a random-access memory similar in construction to DRAM but using a ferroelectric layer instead of a dielectric
Ferroelectric_RAM
Musical instrument
contain "drum kit" presets in their memory. Each drum kit has different sounds, such as jazz drums played with a "brushes" sound, rock drums, Latin drums, African
Electronic_drum
Early type of computer memory
Twistor memory is a form of computer memory formed by wrapping magnetic tape around a current-carrying wire to make a device called a twistor. Operationally
Twistor_memory
Magnetic tape data storage technology
cartridge of the same generation with the following exceptions: the cartridge memory identifies it to the drive as WORM, the servo tracks are slightly different
Linear_Tape-Open
Type of computer memory
Magnetoresistive random-access memory (MRAM) is a type of non-volatile random-access memory which stores data in magnetic domains. Developed in the mid-1980s
Magnetoresistive_RAM
DRUM MEMORY
DRUM MEMORY
Boy/Male
Hindu
A star
Boy/Male
German
Strong.
Boy/Male
English
Abbreviation of Andrew 'manly.
Surname or Lastname
Danish
Danish : habitational name from any of several places called Órum, named as a compound of ór ‘gravel beach’ + hem ‘dwelling’. This name is also found in Norway, of Danish origin.English : variant of Orme 1.
Girl/Female
Arabic, Pashtun
Paradise; Heaven
Girl/Female
Arabic, Australian, Indian, Punjabi, Sikh
Jesus of Drum; Always Happy
Girl/Female
Indian
A garden in heaven
Boy/Male
American, British, English
Manly; Abbreviation of Andrew
Girl/Female
Indian
A tree
Girl/Female
Muslim
Daughter-in-law of Aditi
Biblical
a drum; betraying
Girl/Female
Indian
Plays a small drum
Boy/Male
German, Greek
Strong; Masculine
Girl/Female
Biblical
A drum, betraying.
Girl/Female
Indian, Telugu
Drum
Girl/Female
Muslim
Plays a small drum
Boy/Male
Celtic Welsh
Mythical son of Dremidydd.
Girl/Female
Indian
Daughter-in-law of Aditi
Girl/Female
Spanish
Plays a small drum.
Girl/Female
Muslim
A garden in heaven
DRUM MEMORY
DRUM MEMORY
Boy/Male
English American Latin
Steady; stable.
Boy/Male
Hindu, Indian
Part of Light
Girl/Female
Hindu, Indian
Not of the Earth
Girl/Female
Muslim
Pure
Boy/Male
Arabic
Servant of the wise one.
Boy/Male
Indian, Telugu
Good
Boy/Male
Tamil
Yashovarman | யஷோவரà¯à®®à®¨
Victorious, Glorious, Famous, Successful
Female
Native American
Native American Hopi name HEHEWUTI means "warrior mother spirit."
Girl/Female
Australian, Greek, Latin
Purple; Violet Flower
Boy/Male
Indian, Punjabi, Sikh
Victory of the Brave
DRUM MEMORY
DRUM MEMORY
DRUM MEMORY
DRUM MEMORY
DRUM MEMORY
n.
A drum.
v. t.
(With up) To assemble by, or as by, beat of drum; to collect; to gather or draw by solicitation; as, to drum up recruits; to drum up customers.
v. i.
To beat with the fingers, as with drumsticks; to beat with a rapid succession of strokes; to make a noise like that of a beaten drum; as, the ruffed grouse drums with his wings.
v. i.
To drum.
imp. & p. p.
of Drum
v. i.
To beat a drum with sticks; to beat or play a tune on a drum.
n.
The beat of a drum.
v. t.
To affect or season with drugs or ingredients; esp., to stupefy by a narcotic drug. Also Fig.
v. t.
To execute on a drum, as a tune.
n.
One who beats a drum.
n.
A fashionable assembly; a drum. See the Note under Drum, n., 4.
n.
The sound of a beaten drum; drum music.
n.
As much spirituous liquor as is usually drunk at once; as, a dram of brandy; hence, a potation or potion; as, a dram of poison.
n.
Anything resembling a drum in form
p. pr. & vb. n.
of Drum
v. t.
(With out) To expel ignominiously, with beat of drum; as, to drum out a deserter or rogue from a camp, etc.
n.
A sheet iron radiator, often in the shape of a drum, for warming an apartment by means of heat received from a stovepipe, or a cylindrical receiver for steam, etc.
a.
Old-fashioned; queer; odd; as, a rum idea; a rum fellow.