Encyclopedia: A20...

Encyclopedia : A : A2 : A20 (20 articles)

A20
A20 may refer to: A20 line (addressing line 20), a microprocessor connectionA20 road, a major road in south-east EnglandQuebec Autoroute 20 (A-20), in CanadaA-20 Havoc, the US Air Force's designation for the Douglas DB-7 aircraftA-20, a rejected prototype version of the Soviet T-34 medium tankOne ..

A2030 road
The A2030 is a road in Hampshire. The road starts off at junction 5 of the A3(M), near the village of Bedhampton. The road then runs west along the base of Portsdown Hill, following the old route of the A27 into Portsmouth until it reaches the Drayton area. This section of road is called Havant R..

A205 road
The A205 or South Circular Road is a roughly semicircular trunk road that joins west London to east London via south London. History The South Circular Road was first proposed in the County of London Plan of 1943, as the southern half of a "C ring". However, the plan was never fully realised, and..

A20 handler
The A20 handler is IBM PC memory manager software controlling access to the High Memory Area. Extended memory managers usually provide this functionality. A20 handlers are named after the 21st address line of the microprocessor, the A20 line. The Intel 8088 CPU used in the original IBM PC was capab..

A20 line
The A20 or addressing line 20 is one of the plethora of electrical lines that comprise the system bus of an x86 based computer system. The A20 line in particular is used to transmit the 21st bit on the address bus. A microprocessor will typically have a number of addressing lines equal to the base-..

A20 road
The A20 is a two-digit major road in south-east England, carrying traffic from London to Dover in Kent. Parts of the route now followed by the modern road, particularly the first section, was opened as a turnpike in the early part of the 18th century. The line of the road throughout Kent runs closel..

A20 road (Isle of Man)
The A20 road in the Isle of Man is a primary road which connects Peel on the west coast of the island with the A3 Castletown to Ramsey road at a point just north of St. John's. The road is named the Poortown road, after the small settlement of Poortown through which it passes. See also Roads in the..

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