Intel 4004- First Single-Chip Microprocessor (4-bit CPU) • Introduced November 15, 1971 • Maximum clock speed was 740 kHz • 12-bit addresses • 8-bit instructions • 4-bit data words • Program Memory 4 KB • Instruction set contained 46 instructions (of which 41 were 8 bits wide and 5 were 16 bits wide) • Register set contained 16 registers of 4 bits each • Internal subroutine stack 3 levels deep
Intel 8008- An 8 bit CPU designed by Intel • Introduced April 1, 1972 • Clock rate 200 kHz (8008–1: 800 kHz) • 0.05 MIPS • Bus Width 8 bits (multiplexed address/data due to limited pins) • Enhancement load PMOS logic • Number of Transistors 3,500 at 10 µm • Addressable memory 16 KB • Typical in early 8 bit microcomputers, dumb terminals, general calculators, bottling machines • Developed in tandem with 4004 • Originally intended for use in the Data point 2200 microcomputer • Key volume deployment in Texas Instruments 742 microcomputer in >3,000 Ford dealerships
Intel 8086- 16 bit processor designed by Intel • Introduced June 8, 1978 • Clock rates: • 4.77 MHz with 0.33 • 8 MHz with 0.66 MIPS • 10 MHz with 0.75 MIPS • Bus Width 16 bits data, 20 bits address • Number of Transistors 29,000 at 3 µm • Addressable memory 1 megabyte • Up to 10X the performance of 8080
Pentium I- 32 bit Processor designed by Intel • Introduced March 22, 1993 • Bus width 64 bits • Prepared by: Group I (Microprocessors and its Architecture) • System bus clock rate 60 or 66 MHz • Address bus 32 bits • Addressable Memory 4 GB • Virtual Memory 64 TB • Superscalar architecture • Runs on 5 volts • Used in desktops • 16 KB of L1 cache
Pentium Pro- is a sixth-generation x86 microprocessor developed and manufactured by Intel (32 bit) •