Tandon Corporation was a disk drive and PC

Personal computer

A personal computer is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end-user with no intervening computer operator...

 manufacturer founded in the mid-1970s by "Jugi" Tandon. The company's original purpose was to provide magnetic read-write heads for the then-burgeoning floppy-drive

Floppy disk

A floppy disk is a disk storage medium composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic carrier lined with fabric that removes dust particles...

 market. Due to the labor-intensive nature of the product, production was carried out in India which was the key to the company's competitiveness. In the late 1970s, Tandon developed direct equivalents to Shugart

Shugart Associates

Shugart Associates was a computer peripheral manufacturer that dominated the floppy disk drive market in the late 1970s and is famous for introducing the 5¼-inch minifloppy disk drive....

 floppy drives, and is credited with the invention of DS/DD (double-sided, double-density) versions which became its primary product in the early 1980s. In the mid-1980s, Tandon introduced a line of hard disk drives, making several models of the same basic design with a P shaped top cover and a pinion rack

Rack and pinion

A rack and pinion is a type of linear actuator that comprises a pair of gears which convert rotational motion into linear motion. A circular gear called "the pinion" engages teeth on a linear "gear" bar called "the rack"; rotational motion applied to the pinion causes the rack to move, thereby...

 stepper motor

Stepper motor

A stepper motor is a brushless, electric motor that can divide a full rotation into a large number of steps. The motor's position can be controlled precisely without any feedback mechanism , as long as the motor is carefully sized to the application...

 off to the side. Tandon wes acquired by Western Digital

Western Digital

Western Digital Corporation is one of the largest computer hard disk drive manufacturers in the world. It has a long history in the electronics industry as an integrated circuit maker and a storage products company. Western Digital was founded on April 23, 1970 by Alvin B...

 in 1988.

PCX

The PCX computer was made in 1986. It comes normally with 256 KB of RAM, 80 column monitor, 2 360 KBs 5 diskette drives, 1 10 MBs hard disk drive, MS-DOS

MS-DOS

MS-DOS is an operating system for x86-based personal computers. It was the most commonly used member of the DOS family of operating systems, and was the main operating system for IBM PC compatible personal computers during the 1980s to the mid 1990s, until it was gradually superseded by operating...

 and GW-BASIC

GW-BASIC

GW-BASIC was a dialect of the programming language BASIC developed by Microsoft from BASICA, originally for Compaq. It is compatible with Microsoft/IBM BASICA, but was disk based and did not need the ROM BASIC. It was bundled with MS-DOS operating systems on IBM PC compatibles by Microsoft...

.