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...

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...

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...

main memory is called "RAM" (an acronym of random-access memory) and secondary storage is called "disk" (a shorthand for hard disk drive, drum memory or...

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...

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...

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...

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...

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)...

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...

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...

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...

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...

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...

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

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

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

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...

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...

Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash...

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...

digital data storage Recording format Semiconductor memory Software-defined storage Volatile memory Visual arts Gilbert, Walter (Feb 1986). "The RNA World"...

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

Content-addressable memory (CAM) is a special type of computer memory used in certain very-high-speed searching applications. It is also known as associative memory or...

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...

random-access memory of 1024 words of 36 bits each. Each of the 36 Williams tubes was five inches in diameter. A magnetic drum memory provided 16,384...

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...

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