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The
OS/8 – Wikipedia
is a 12-bit minicomputer that was produced by Digital Equipment Corporation (DEC). It was the first commercially successful minicomputer, with over 50,000 units being sold over the model’s lifetime.
What company introduced the first commercially available minicomputer?
1960s and 70s success Most computing histories point to the 1964 introduction of Digital Equipment Corporation’s (DEC) 12-bit PDP-8 as the first minicomputer.
What is DEC minicomputer?
Digital Equipment Corporation (DEC /dɛk/), using the trademark Digital, was a major American company in the computer industry from the 1960s to the 1990s. Although the company produced many different product lines over its history, it is best known for the work in the minicomputer market starting in the mid-1960s.
Who invented the first mini computer?
Minicomputers emerged in the mid-1960s and were first developed by IBM Corporation.
What is the first micro computer?
The first microcomputer was the Micral, released in 1973 by Réalisation d’Études Électroniques (R2E). Based on the Intel 8008, it was the first non-kit computer based on a microprocessor.
Is PDP-11 is a supercomputer?
Answer: No pdp11 is not a supercomputer. It is a minicomputer.
Which was the world’s first minicomputer and when was it introduced?
PDP-1 was the world’s first minicomputer and it was introduced in 1958.
What generation is DEC PDP-8?
The PDP-8 Family The PDP-8E appeared in 1970, the sixth generation of 12-bit computers from DEC able to run the same software. The price for this newest member of the PDP family had dropped to $6,500, which made it inexpensive enough to serve as an embedded controller for other equipment.
How much RAM did the PDP-11 have?
Later-model PDP-11 processors included memory management to support virtual addressing. The physical address space was extended to 18 or 22 bits, hence allowing up to 256 KB or 4 MB of RAM.
Who invented the Star 1000 computer?
STAR 1000 computer These computers were designed, manufactured, and marketed by the control data corporation.
What does PDP-11 stand for?
PDP-11 (Programmed Data Processor-11) is one of the most famous computers in computing history, one of a series manufactured by Digital Equipment Corporation ( DEC ) from the early 1960s through the mid-1990s.
Which company introduced the first minicomputer in 1960?
“Minicomputer” is the name usually given to the small, inexpensive, laboratory-oriented computers first developed in the 1960s and early 1970s. The Digital Equipment Corporation (DEC) PDP-8 is generally considered as the first, and quintessential, mini.
Who invented laptop?
Adam Osborne invented the laptop in 1981. Though Osborne 1 was recognized as the first laptop, the concept of a portable computer was given in 1968 by Alan Kay.
Where was the mini computer invented?
In Japan, companies repurposed the miniature business computers, which had been developed in the early 1960s, into office computers. In this way, this sector followed a unique development path in Japan． DEC announced the VAX-11/780 32-bit virtual memory super minicomputer in October 1977.
Was the Altair 8800 successful?
It became the first-ever commercially successful personal computer, especially compared to the first microprocessor-based personal computer – Micral. Because of its success, the Altair 8800 initiated the personal computer age.
What is minicomputer example?
Definition: A minicomputer is also known as mini. It is a class of small computers that was introduced into the world in the mid-1960s. A minicomputer is a computer which has all the features of a large size computer, but its size is smaller than those. Mini computer examples: IBM’s AS/400e, Honeywell200, TI-990.
Who is the first supercomputer?
The CDC 6600, released in 1964, is sometimes considered the first supercomputer. However, some earlier computers were considered supercomputers for their day such as the 1960 UNIVAC LARC, the IBM 7030 Stretch, and the Manchester Atlas, both in 1962—all of which were of comparable power; and the 1954 IBM NORC.
Which is the first minicomputer developed in India?
In 1981, Wipro launched its first minicomputer named Wipro Series-86, which, according to Rao, was the best minicomputer architecture developed indigenously in India at that time.
When was the first personal computer launched in India?
A British-built HEC 2M computer, happened to be the first digital computer in India, which was imported and installed in Indian Statistical Institute, Kolkata, during 1955. Prior to that, this institute had developed a small Analog Computer in 1953, which is technically the first computer in India.
Which is the first laptop company?
The first laptop computer available to the public was the Osborne 1. The Osborne Computer Corporation released this model in 1981. It cost $1795 at the time of release.
How much did a PDP 11 cost?
The first model of PDP-11 (priced $20,000), named PDP-11/20, was shipped in the spring of 1970. It had a word length of 16 bits, a speed of 800 nanoseconds, the cycle time was 1.5 microseconds, and the access time 0.75 microseconds.
Who invented the PDP-8 minicomputer?
The 8/S was designed by Saul Dinman. The even later PDP-8/E is a larger, more capable computer, but further reengineered for better value.
What is the name of the first computer that could store in memory a set of instructions that altered the input output scheme?
Atlas was also the first computer to employ a technique, now known as virtual memory or virtual storage, of using some slower external memory (such as magnetic drums) as though it were an extension of the computer’s faster internal memory.
How many physical 4 byte words are there on a PDP-11?
The PDP-11/70 uses 22 bits for addressing physical memory. This represents a total of 222 (over 4 million) byte locations. Of the over 4 million byte locations possible with the 22-bit address, the top 256K are used to reference the UNIBUS rather than physical memory.
What is a PDP-11 70?
The PDP-11/70 was a 16-bit minicomputer built by Digital Equipment Corporation in the 1970s. Amongst other things it is well-known for its front panel designs, with color-coded (and color-coordinated) switches and associated blinkenlights. It runs some software that emulates the PDP’s operating system.
How is machine language written?
It is usually written in binary. Machine code is the lowest level of software. Other programming languages are translated into machine code so the computer can execute them.
Who invented 4th generation of computer?
On November 15, 1971, Intel released the world’s first single-chip microprocessor, the 4004, on a single MOS LSI chip. Its development was led by Federico Faggin, using silicon-gate MOS technology, along with Ted Hoff, Stanley Mazor and Masatoshi Shima.
Who invented 5th generation computer?
The Fifth Generation Computer Systems (FGCS) was an initiative by Japan’s Ministry of International Trade and Industry (MITI), begun in 1982, to create computers using massively parallel computing and logic programming. It was to be the result of a government/industry research project in Japan during the 1980s.
How many years did it took for fourth generation to evolve?
The period of fourth generation was from 1971-1980. Computers of fourth generation used Very Large Scale Integrated (VLSI) circuits. VLSI circuits having about 5000 transistors and other circuit elements with their associated circuits on a single chip made it possible to have microcomputers of fourth generation.
