magnetic-tape drive
91History of operating systems — The history of computer operating systems recapitulates to a degree the recent history of computer hardware. Operating systems (OSes) provide a set of functions needed and used by most application programs on a computer, and the linkages needed… …
92Parity bit — 7 bits of data (number of 1s) 8 bits including parity even odd 0000000 (0) 00000000 10000000 1010001 (3) 11010001 01010001 1101001 (4) 01101001 11101001 1111111 (7) 11111111 …
93Helical scan — is a method of recording high bandwidth signals onto magnetic tape. It is used in video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives. Comparison to linear tape recording In a fixed head… …
94Mini-Cassette — Media type magnetic tape Encoding analog signal Capacity 30 minutes …
95Bubble memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
96Sneakernet — [ floppy disk was once the primary means of transferring data between computers. Today, portable flash drives or memory cards are more practical.] Sneakernet is a tongue in cheek term used to describe the transfer of electronic information,… …
97Magnetophon — This article is about the tape recorder. For the music group, see Magnetophone. Magnetophon from a German r …
98computer science — computer scientist. the science that deals with the theory and methods of processing information in digital computers, the design of computer hardware and software, and the applications of computers. [1970 75] * * * Study of computers, their… …
99Commodore 64 peripherals — Commodore 64 Home Computer This article is about the various external peripherals of the Commodore 64 home computer. Contents 1 Storage …
100IBM Product Test — was a group level organization for testing of IBM hardware and software products as part of the product development (i.e. not manufacturing ) process. It was housed in a number of laboratories associated with the various manufacturing and… …
