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...

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...

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...

single address instruction set had only 16 commands. Magnetic drum memory held the main memory, and the central processing unit (CPU) processor registers...

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...

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...

in a mechanically rotating drum for memory. However, its paper card writer/reader was unreliable and the regenerative drum contact system was mechanical...

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...

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...

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)...

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...

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...

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...

Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM cannot be electronically modified...

In computer architecture, the memory hierarchy separates computer storage into a hierarchy based on response time. Since response time, complexity, and...

× 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...

terms RAM, main memory, or primary storage. Archaic synonyms for main memory include core (for magnetic core memory) and store. Main memory operates at a...

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...

point that it became nearly universal as main memory, replacing both inexpensive low-performance drum memory and costly high-performance systems using vacuum...

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...

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 "racks" are stands surrounding a drum kit onto which percussion instrument holders may be clamped. "Memory locks" are clamps used to make drum and...

Historically, memory has, depending on technology, been called central memory, core memory, core storage, drum, main memory, real storage, or internal memory. Meanwhile...

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...

Volatile memory, in contrast to non-volatile memory, is computer memory that requires power to maintain the stored information; it retains its contents...

optical disc drives, memory cards, and solid-state drives (SSDs). It also includes experimental forms like holographic memory. Mass storage includes...

Institute of Technology, U.S. During the development of the BESK magnetic drum memory, Olle Karlqvist discovered a magnetic phenomenon, which has been called...

High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM) initially from Samsung, AMD...

computers, but as the market expanded they became better known for their drum memory systems. They were eventually purchased by Remington Rand and merged...

In addition to the drums used as main memory by IBM in, e.g., IBM 305, IBM 650, IBM offered drum devices as secondary storage for the 700/7000 series...