Early personal computers, like the IBM PC, were " desktop " machines, with a horizontally oriented computer case, usually intended to have the display screen placed on top to save space on the desktop.

Early on, QuarkXPress incorporated an application programming interface called XTensions which allows third-party developers to create custom add-on features to the desktop application.

Early desktop computers were marketed as " Calculators " to make purchasing easier.

Early computers used a variety of 4-bit binary coded decimal ( BCD ) representations and the 6-bit codes for printable graphic patterns common in the U. S. Army ( Fieldata ) and Navy.

Early computers used one of two addressing methods to access the system memory ; binary ( base 2 )

Early personal computers like the Apple II and the IBM PC integrated an internal backplane for expansion cards.

Early computers permitted only a few letters or digits in the name of a file, but modern computers allow long names ( some up to 255 characters ) containing almost any combination of unicode letters or unicode digits, making it easier to understand the purpose of a file at a glance.

Category: Early computers

Category: Early British computers

Early personal computers such as the Apple II or IBM PC included only this minimal peripheral support on the motherboard.

Early computers required specialist programmers, and stringent operating environmental control for temperature, cleanliness, and power quality.

Early personal computers of the late 1970s and early 1980s, such as those from Apple, Atari and Commodore, did not use RGB as their main method to manage colors, but rather composite video.

Early computers used a variety of ad-hoc methods to get a fragment of software into memory to solve this problem.

Early computers ( such as the IBM 650, DEC PDP-5 through PDP-8, early models of the PDP-11, and early microcomputers such as the Altair 8800 ) have a row of dials or toggle switches on the front panel that allow the operator to manually enter the boot instructions into memory before transferring control to the CPU.

Early networks were built without computers, but late in the 20th century their switching centers were computerized or the networks replaced with computer networks.

Early computers had relatively little memory.

# Early computer designs and some of the simpler RISC computers " hard-wired " the complete instruction set decoding and sequencing ( just like the rest of the microarchitecture ).

Early computers took up the space of a room.

Category: Early computers

Early home computers often had proprietary serial ports with pinouts and voltage levels incompatible with RS-232.

Category: Early computers

Category: Early computers

Category: Early computers

Early UNIVAC 1100 series models were vacuum tube computers.

Category: Early computers

Early examples of attempts to capture the phenomenon of motion drawing can be found in paleolithic cave paintings, where animals are depicted with multiple legs in superimposed positions, clearly attempting to convey the perception of motion.

There are large gaps in the fossil record but the discovery of a proto-frog from the Early Permian in Texas in 2008 provided a missing link with many of the characteristics of modern frogs.

Although the fossils of several older proto-frogs with primitive characteristics are known, the oldest " true frog " is Prosalirus bitis, from the Early Jurassic Kayenta Formation of Arizona.

Early experiments are often designed to provide mean-unbiased estimates of treatment effects and of experimental error.

Early human settlements are believed to have been established on Achill around 3000 BC.

Ideas and tenets of Zoroastrian schools of Early Persian philosophy are part of many works written in Middle Persian and of the extant scriptures of the zoroastrian religion in Avestan language.

At the coastal side of the city there are indications of an Early Christian basilica with mosaic floors decorated with semi-precious stones.

Early uses of the term are in Erik Mueller's 1987 Ph. D. dissertation and in Eric Raymond's 1991 Jargon File.

Early board games represented a battle between two armies, and most current board games are still based on defeating opposing players in terms of counters, winning position or accrual of points ( often expressed as in-game currency ).

Early fossils are mainly of erect forms, but encrusting forms gradually became dominant.

" Early episodes with the controversial content intact are rare, and are traded on homemade video recordings made from the original broadcasts.

Early sources are not clear but various groups of Christian communities would have had a group of college or presbyter-overseers functioning as leaders of the local churches.

Early understanding of the functioning of balance of trade informed the economic policies of Early Modern Europe that are grouped under the heading mercantilism.

All of the earliest chordate fossils have been found in the Early Cambrian Chengjiang fauna, and include two species that are regarded as fish, which implies they are vertebrates.

Early markings from this period found on pottery and shells are thought to be ancestral to modern Chinese characters.

The Cantigas are frequently recorded and performed by Early Music groups, and quite a few CDs featuring music from the Cantigas are available.

The Apostolic Canons or Ecclesiastical Canons of the Same Holy Apostles is a collection of ancient ecclesiastical decrees ( eighty-five in the Eastern, fifty in the Western Church ) concerning the government and discipline of the Early Christian Church, incorporated with the Apostolic Constitutions which are part of the Ante-Nicene Fathers

On TV shows based in Chicago such as The Bob Newhart Show, Married ... with Children, Family Matters, Still Standing, According to Jim, Early Edition and The Bernie Mac Show, the main characters are all Bears fans, and have worn Bears ' jerseys and t-shirts on some occasions.

* Early works in the timeline include neologisms which are not explained to any great extent, but serve to produce an atmosphere of strangeness.

However, despite earlier concepts of a strict Early Historic evolution, Irish excavations are increasingly uncovering examples which date to the ' missing ' Iron Age in Ireland.

The term dagger is coined in this time, as are the Early Modern German equivalents dolch ( tolch ) and degen ( tegen ).