Common questions

What was the 1st computer in the US called?

What was the 1st computer in the US called?

ENIAC
Started in 1943, the ENIAC computing system was built by John Mauchly and J. Presper Eckert at the Moore School of Electrical Engineering of the University of Pennsylvania. Because of its electronic, as opposed to electromechanical, technology, it is over 1,000 times faster than any previous computer.

Are there 8-bit computers?

In computer architecture, 8-bit integers or other data units are those that are 8 bits wide (1 octet). Also, 8-bit CPU and ALU architectures are those that are based on registers or data buses of that size. The Zilog Z80 (compatible with the 8080) and the Motorola 6800 were also used in similar computers.

Which company created some of the first practical computers in the USA?

The personal computer industry truly began in 1977, with the introduction of three preassembled mass-produced personal computers: Apple Computer, Inc.’s (now Apple Inc.) Apple II, the Tandy Radio Shack TRS-80, and the Commodore Business Machines Personal Electronic Transactor (PET).

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Why do computers use 8 bits?

A byte is 8 bits because that’s the definition of a byte. An ASCII character is stored in a byte because trying to use just 7 bits instead of 8 means you cannot address one character directly and would have to pack and unpack bit strings any time you wanted to manipulate text – inefficient, and RAM is cheap.

What game system is 8bit?

In the history of computer and video games, the third generation (sometimes referred to as the 8-bit era) began on July 15, 1983, with the Japanese release of both the Nintendo Family Computer (later known as the Nintendo Entertainment System, or NES, in the rest of the world) and Sega SG-1000.

How many states does 8 bits have?

With 8 bits, the maximum number of values is 256 or 0 through 255. Table 5.1 gives the number of bits in a binary number and the maximum number of states that can be represented….Maximum Decimal Value for N Bits.

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Number of Bits Maximum States
8 256
12 4096 (4 K)
16 65,536 (64 K)
20 1,048,576 (1 M)

Are there any 128 bit computers?

While there are currently no mainstream general-purpose processors built to operate on 128-bit integers or addresses, a number of processors do have specialized ways to operate on 128-bit chunks of data.

What were computers like in the 1970s?

At the beginning of the 1970s there were essentially two types of computers. There were room-sized mainframes, costing hundreds of thousands of dollars, that were built one at a time by companies such as IBM and CDC.

Are 8-bit processors still used?

8-bit MCUs are still used in plenty of products in legacy products and in new designs. 8-bit MCUs tend to be easier to program and understand on a deep level compared to 32-bit MCUs and are not likely to go away as long as an 8-bit MCU costs less than an equivalent 32-bit MCU.

What was the first 8-bit home computer?

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But with hindsight, the early 8 bit home computers were pretty much state-of-the-art technology… Home computing started on June 10th, 1977, the day the first Apple II was sold. But on August 3rd, Tandy/Radio Shack’s move was announced: the TRS-80 Model I.

Is it possible to make an 8-bit computer?

An 8-bit ALU made entirely out of NAND Gates. About 6 months ago, I found a series of videos on youtube by Ben Eater, where he goes through the entire process of making an 8-bit computer, following the SAP 1 (simple as possible) architecture designed by Albert Paul Malvino.

When did the Atari 8 bit family come out?

Atari 8-bit family. The Atari 8-bit family is a series of 8-bit home computers introduced by Atari, Inc. in 1979 and manufactured until 1992.

What microprocessors were used in the 1980s?

In the early part of the 1980s, the dominant microprocessors used in home computers were the 8-bit MOS Technology 6502 (Apple, Commodore, Atari, BBC Micro) and Zilog Z80 (TRS-80, ZX81, ZX Spectrum, Commodore 128, Amstrad CPC). One exception was the TI-99 series, announced in 1979 with a 16-bit TMS9900 CPU.