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The UNIVAC 1105 was a follow-on computer to the UNIVAC 1103A introduced by Sperry Rand in September, 1958. The UNIVAC 1103A or Univac Scientific was an upgraded version of the UNIVAC 1103 introduced by Sperry Rand in March, 1956. ...
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The UNIVAC 1105 had either 8,192 or 12,288 words of 36 bit magnetic core memory, in two or three banks of 4,096 words each. Magnetic drum memory provided either 16,384 or 32,768 words, in one or two drums with 16,384 words each. Sixteen to twenty four UNISERVO II tape drives were connected, with a maximum capacity (not counting block overhead) of 1,200,000 words per tape. A 16×16 cm area core memory plane of 128×128 bits, i. ...
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A tape drive, also known as a streamer, is a peripheral device that reads and writes data stored on a magnetic tape or a punched tape. ...
Fixed-point numbers had a 1 bit sign and a 35 bit value, with negative values represented in one's complement format. In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after the decimal (or binary or hexadecimal) point. ...
In mathematics, signed numbers in some arbitrary base is done in the usual way, by prefixing it with a - sign. ...
Floating-point numbers had a 1 bit sign, an 8 bit characteristic, and a 27 bit mantissa. A floating-point number is a digital representation for a number in a certain subset of the rational numbers, and is often used to approximate an arbitrary real number on a computer. ...
Instructions had a 6 bit operation code and two 15-bit operand addresses. Jump to: navigation, search An instruction set, or instruction set architecture (ISA), describes the aspects of a computer architecture visible to a programmer, including the native datatypes, instructions, registers, addressing modes, memory architecture, interrupt and exception handling, and external I/O (if any). ...
The UNIVAC 1105 used 21 types of vacuum tubes, 11 types of diodes, 10 types of transistors, and 3 types of cores. In electronics, a vacuum tube (American English) or (thermionic) valve (British English) is a device generally used to amplify, or otherwise modify, a signal. ...
Jump to: navigation, search Types of diodes A diode can be thought of as the electronic version of a one-way valve. ...
Jump to: navigation, search High-power transistors used in a switching power supply. ...
A complete UNIVAC 1105 computer system required 160 kW of power (175 KVA, 0.9 power factor) and an air conditioning unit with a power of at least 35 tons (123 kW) for cooling input water. The computer system weighed 63,753 lb (29 t) with a floor loading of 47 lb/ft² (230 kg/m²) and required a room 49 x 64 x 10 ft (15 x 20 x 3 m). The floor space for the computer was approximately 3,752 ft² (350 m²). The power, refrigeration and equipment room was approximately 2,450 ft² (230 m²). The power factor of an AC electric power system is defined as the ratio of the real power to the apparent power. ...
Note: in the broadest sense, air conditioning can refer to any form of heating, ventilation, and air-conditioning. ...
Cost, price and rental rates Monthly Cost rental Basic system, consisting of $1,932,000 $33,060 8,192 words magnetic core, 16,384 words magnetic drum, central processor, peripheral control, and 16 UNISERVO II Additional equipment 4,096 words magnetic core $195,000 $4,500 16,384 words magnetic drum 60,000 1,500 Floating point 65,000 1,545 Uniservo II 20,000 450 Card input-output 55,000 1,310 High speed printer 185,000 3,300
See also // The Remington Rand years (1950 to 1955) Calculating devices UNIVAC 60 UNIVAC 120 Computer systems UNIVAC I UNIVAC 1101 UNIVAC 1102 UNIVAC 1103 Peripherals Storage UNISERVO tape drive Display and print UNIVAC High speed printer 600 line/min printer Offline tape handling units UNIPRINTER 10 char/s printer with tape...
Jump to: navigation, search Computing hardware has been an essential component of the process of calculation and data storage since it became useful for numerical values to be processed and shared. ...
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