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The most common form of the computer desk is an ergonomic variant of the office desk, which has an adjustable keyboard tray and sufficient desktop space for handwriting. . Provisions for a monitor shelf and holes for routing cables are integrated in the design, making it easier to connect the computer components toge
A handheld computer, also called a palmtop computer, is a term that has variously been used to describe a small-sized personal computer (PC) typically built around a clamshell form factor and a laptop-like keyboard, including: Palmtop PCs, personal digital assistants (PDA), ultra-mobile PCs (UMPC) or portable gaming PCs.
The Compaq Portable, one of the first IBM PC compatible systems A military-type mobile computer housed in a reinforced case A portable computer with three LCD screens A portable computer with one 20.1-inch LCD screen, EATX motherboard The MIT Suitcase Computer, MIT Digital Systems Laboratory, 1975. A portable computer is a computer designed to ...
Later keypunches were mechanized, often resembling a small desk, with a keyboard similar to a typewriter, and with hoppers for blank cards and stackers for punched cards. In 1901, Herman Hollerith invented and patented the mechanical key punch that was operated by keys, like a typewriter, and that advanced the card automatically to the next ...