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71William Goddard — Infobox Scientist name = William A. Goddard box width = image width = caption = William Goddard in 1953 birth date = birth date|1913|7|10 birth place = St. Joseph, Missouri death date = death date and age|1997|9|29|1913|7|10 death place = Chico,… …
72Commodore 1541 — Front view of the most common version of the Commodore 1541 disk drive, with open disk slot. This version uses a Newtronics drive mechanism, and the rotating lever is used to hold the disk in place …
73Hard disk failure — In computing, a hard disk failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A disk failure may occur in the course of normal operation, or due to an external… …
74Tape drive — DDS tape drive. Above, from left right: DDS 4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC 6250 tape (250 MB), and a 3.5 floppy disk (1.44 MB) A tape drive is a data storage device that reads and performs digital recording, writes data on a… …
75Manchester Mark 1 — This article is about the early British computer. For the aircraft, see Avro Manchester and Avro 533 Manchester. The Manchester Mark 1 was one of the world s first stored program computers. The Manchester Mark 1 was one of the earliest stored… …
769 track tape — The IBM System/360, released in 1964, introduced what is now generally known as 9 track tape. The magnetic tape is 1/2 inch (12.65 mm) wide, with 8 data tracks and one parity track for a total of 9 parallel tracks. Data is stored as 8 bit… …
77Perpendicular recording — (or Perpendicular Magnetic Recording, PMR) is a technology for data recording on hard disks. It was first proven advantageous in 1976 by Shun ichi Iwasaki, then professor of the Tohoku University in Japan, and first commercially implemented in… …
78computer memory — memory (def. 11). * * * Introduction device that is used to store data or programs (sequences of instructions) on a temporary or permanent basis for use in an electronic digital computer. Computers represent information in binary code,… …
79Click of death — A standard ZIP100 disk Click of death is a term that became common in the late 1990s referring to the clicking sound in disk storage systems that signals the disk drive has failed, often catastrophically.[1] Contents …
80Commodore 64 peripherals — Commodore 64 Home Computer This article is about the various external peripherals of the Commodore 64 home computer. Contents 1 Storage …
