Computer-related introductions in 1981

layer-by-layer additive process used to make a three-dimensional object

personal computer model released in 1981

Small Computer System Interface (SCSI, ) is a set of standards for physically connecting and transferring data between computers and peripheral devices, best known for its use with storage devices such as hard disk drives. SCSI was introduced in the 1980s and has seen widespread use on servers and high-end workstations, with new SCSI standards being published as recently as SAS-4 in 2017.

16-bit internal bus of the IBM PC/AT

portable microcomputer

The ZX81 is a home computer developed by Sinclair Research and manufactured in Dundee, Scotland, by Timex Corporation. It was launched in the United Kingdom in March 1981 as the successor to Sinclair's ZX80 and designed to be a low-cost introduction to home computing for the general public. It was hugely successful; more than 1.5 million units were sold. In the United States it was initially sold as the ZX-81 under licence by Timex. Timex later produced its own versions of the ZX81: the Timex Sinclair 1000 and Timex Sinclair 1500. Unauthorized ZX81 clones were produced in several countrie

computer display standard

series of microcomputers by Acorn

computer display standard

series of computers sold in Japan by NEC

Programming paradigm

1980s series of home computers

internal loudspeaker in a computer producing beeps

thumb | right | A diagram for CSNET members in the USA in 1983.

right|thumb|Seagate ST506 5¼-inch HDD with cover removed thumb| 2.5" 6495 MB IDE drive next to a 5.25" full-height 111 MB MFM drive

IBM microcomputer released in 1981

The FM-8 (Fujitsu Micro 8) is a personal computer developed and manufactured by Fujitsu in May 1981. It was Fujitsu's second microcomputer released to the public after the LKIT-8 kit computer, and the first in the "FM" series. The FM-8 was an early adopter of bubble memory technology. The FM-8 would later be replaced by two new models in November 1982 – the FM-11, aimed at businesses and the FM-7 aimed at the mass market.

spark printer

series of computer keyboards

office-versions of the ABC 80 home computer

Yugoslav 8-bit computer

thumb|MikroMikko 4 TT m216 desktop computer

computer graphics workstation

first hard disk drive produced by Apple Computer

desktop computer

The NE-Z80 was a homebuilt computer kit presented by Nova Eletrônica magazine on the October 1981 issue, a publication that was part of the Brazilian Prológica group.