List of Windows Client OS with their Version Numbers

Operating System	Version Number
Windows 1.0	1.04
Windows 2.0	2.11
Windows 3.0	3
Windows NT 3.1	3.10.528
Windows for Workgroups 3.11	3.11
Windows NT Workstation 3.5	3.5.807
Windows NT Workstation 3.51	3.51.1057
Windows 95	4.0.950
Windows NT Workstation 4.0	4.0.1381
Windows 98	4.1.1998
Windows 98 Second Edition	4.1.2222
Windows Me	4.90.3000
Windows 2000 Professional	5.0.2195
Windows XP	5.1.2600
Windows Vista	6.0.6000
Windows 7	6.1.7600

Microprocessor Chips: Intel

MICROPROCESSOR	YEAR	SPEED	WORD LENGTH	TRANSISTORS	MIPS
Intel 4004	1969	108 KHz	4-bit	2,300	.06
Intel 8008	1972	200 KHz	8-bit	3,500	.06
Intel 8080	1974	2 MHz	8-bit	6,000	.64
Intel 8086	1978	4.47 MHz	16-bit	29,000	.66
Intel 8088	1981	4.47 MHz	16-bit	29,000	.75
Intel 80286	1982	12 MHz	16-bit	134,000	2.66
Intel 80386	1985	16-33 MHz	32-bit	275,000	4
Intel 80486 (i486)	1989	20-100 MHz	32-bit	1.2 Million	70
Intel 80586 (Pentium)	1993	75-200 MHz	32-bit	3.3 Million	126 - 203
Intel Pentium Pro	1995	150-200 MHz	32-bit	5.5 Million	300
Intel Pentium MMX	1997	166-233 MHz	32-bit	4.5 Million	-
Intel Pentium II	1997	233-450 MHz	32-bit	7.5 Million	-
Intel Pentium III	1999	450-933 MHz	32-bit	Over 9.5 Million	-
Intel Itanium Processor (formerly Merced Processor)	2000	1 GHz	64-bit	15,000,000	1,200