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Latching Sensor Toggle Switch

Latching Sensor Toggle Switch

Latching Sensor Toggle Switch scientific calculator In 1946, the first official computer "Eni Acker" was born in the United States, but it was very power hungry. In 1959, the first small scientific calculator IBM620 was successfully developed. In 1960, the data processing system IBM1401 was...

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Latching Sensor Toggle Switch



scientific calculator
In 1946, the first official computer "Eni Acker" was born in the United States, but it was very power hungry.
In 1959, the first small scientific calculator IBM620 was successfully developed.
In 1960, the data processing system IBM1401 was successfully developed.
In 1961, the programming language COBOL came out.
In 1961, the first subsystem computer was designed by the Massachusetts Institute of Technology.
In 1963, the BASIC language came out.
In 1964, the third generation of the computer IBM360 series was made.
In 1965, American Digital Equipment Corporation introduced the first minicomputer PDP-8.
In 1969, IBM developed 90 series of card machines and systems - 3 computer systems.
In 1970, the IBM System 1370 computer series was made.
In 1971, the University of Illinois designed the Illyac IV supercomputer.
In 1971, the first microprocessor 4004 was developed by Intel Corporation.
In 1972, microprocessor substrates began mass production and sales.
In 1973, the first floppy disk was successfully developed by IBM. In 1975, ATARI - 8800 microcomputer came out.
In 1977, Komodor Company announced that the all-in-one micro-computer PET - 2001 was successfully developed.
In 1977, the TRS-80 microcomputer was born.
In 1977, the Apple-II microcomputer was born.
In 1978, VLSI began to be applied.
In 1978, the bubble memory was used for commercial computers for the second time.
In 1979, Sharp Corporation announced the first portable microcomputer.
In 1982, microcomputers became popular and entered schools and families in large numbers.
In 1979, it began planning to manufacture. In 1983, the Apple-lisa computer was launched. It was the first computer to have a mouse and a GUI.
In 1984, the Japanese computer industry set out to develop a "fifth-generation computer" -- a computer with artificial intelligence.
In 1984, the DNS (Domain Name Server) domain name server was released, and more than 1,000 hosts were running on the Internet.
In 1984, Hewlett-Packard released an excellent laser printer, and HP also maintained its leading technology in inkjet printers.
In January 1984, Apple's Macintosh was released. Based on the Motorola 68000 microprocessor. Can be addressed to 16M.
In August 1984, MS-DOS 3.0, PC-DOS 3.0, and IBM AT were released, using the ISA standard to support large hard drives and 1.2M high-density floppy drives.
In September 1984, Apple released a Macintosh with 512Kb of memory, but nothing else improved.
At the end of 1984, Compaq began developing IDE interfaces, which could transfer data at a faster rate and was adopted by many peers. Later, EIDE was introduced to support 528MB drives. Data transfer is also faster.
In 1985, Philips and Sony teamed up to launch a CD-ROM drive.
In 1985, the EGA standard was introduced.
March 1985, MS-DOS 3.1, PC-DOS 3.1. This is the first to provide partial network functionality to support the DOS version.
On October 17, 1985, the 80386 DX was launched. The clock frequency reaches 33MHz and can address 1GB of memory. More instructions than 286. 6 million instructions per second, integrating 275,000 transistors.
In November 1985, Microsoft Windows was released. However, the comprehensive version of its 3.0 version has not been widely used. Need DOS support, similar to the Mac's operating interface, so that Apple was sued. The lawsuit was terminated only in August 1997.
December 1985, MS-DOS 3.2, PC-DOS 3.2. This is the first system to support 3.5-inch disks. But it only supports 720KB. Only 1.44 megabytes will be supported by version 3.3.
In January 1986, Apple released a higher performance Macintosh. There are four megabytes of memory, and a SCSI adapter.
In September 1986, Amstrad Announced released the cheap and powerful computer Amstrad PC 1512. With CGA graphics adapter, 512KB memory, 8086 processor 20M hard drive. Designed for home use with a mouse and graphical user interface.
In 1987, Microsoft Windows 2.0 was released.
In 1988, the EISA standard was established.
In 1989, Tim Berners-Lee of the European Institute of Physical Particles created the prototype of the World Wide Web. With hypertext links, novices can also easily browse the Internet. This has greatly promoted the development of the Internet.
In March 1989, the EIDE standard was established to support more than 528MB hard drives, achieve a transfer speed of 33.3MB/s, and is used by many CD-ROMs.
On April 10, 1989, the 80486 DX was released. The processor integrates 1.2 million transistors, and its successor model has a clock frequency of 100MHz.
In November 1989, the Sound Blaster Card was released.
On May 22, 1990, Microsoft released Windows 3.0, which is compatible with MS-DOS mode.
In November 1990, the first generation of MPC (Multimedia Personal Computer Standard) was released. The standard requires a processor of at least 80286/12MHz (later added to 80386SX/16MHz) and an optical drive with a transfer rate of at least 150KB/sec.
In 1991, the ISA standard was released.
In June 1991, MS-DOS 5.0 and PC-DOS 5.0 were released. To promote the development of OS/2, Bill Gates said that DOS 5.0 is the DOS terminator and will not spend any effort in the future. This version breaks the basic memory limit of 640KB. This version also marks the end of Microsoft's cooperation with IBM on DOS.
1992. Windows NT is released and can address 2GB of memory.
In April 1992, Windows 3.1 was released.
In 1993, the Internet began to operate commercially.
In 1993, the classic game Doom was released.
On March 22, 1993, the Pentium released the processor, which integrates more than 3 million transistors. Earlier versions had core frequencies of 60 to 66 MHz and executed 100 million instructions per second.
In May 1993, MPC Standard 2 was released, requiring a CD-ROM transfer rate of 300 KB/s to play 15 frames per second in a 320 × 240 window.
On March 7, 1994, Intel released a 90-100MHz Pentium processor.
In 1994, the Netscape 1.0 browser was released.
In 1994, the famous real-time strategy game Command&Conquer (Command & Conquer) was released.
On March 27, 1995, Intel released a 120MHz Pentium processor.
On June 1, 1995, Intel released a 133MHz Pentium processor.
On August 23, 1995, the pure 32-bit multitasking operating system Windows 95 was released. The operating system is very different from the previous version, completely out of MS-DOS, but still retains the DOS mode to take care of the user's habits. Windows 95 has been a huge success.
On November 1, 1995, the Pentium Pro was released, with a frequency of up to 200MHz, 440 million instructions per second, and 5.5 million transistors integrated.
In December 1995, Netscape released its JavaScript.
In January 1996, Netscape Navigator 2.0 was released. This is the first browser to support JavaScript.
On January 4, 1996, Intel released a Pentium processor with 150 to 166 MHz, integrating 310 to 3.3 million transistors.
In 1996, Windows 95 OSR2 was released, and some bugs were fixed, and some functions were expanded.
In 1997, famous game software such as Heft Auto, Quake 2 and Blade Runner was released, and the 3D graphics accelerator card was rapidly launched.
On January 8, 1997, Intel released the Pentium MMX CPU, and the game and multimedia features of the processor were enhanced.
In April 1997, IBM's Deep Blue computer defeated the human chess world champion Kasparov.
On May 7, 1997, Intel released the Pentium II, adding more instructions and Cache.
On June 2, 1997, Intel released the 233MHz Pentium MMX.

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