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HISTORY OF MICROPROCESSORS. Gursharan Singh Tatla professorgstatla@gmail.com www.eazynotes.com. HISTORY OF MICROPROCESSORS. Fairchild Semiconductors (founded in 1957) invented the first IC in 1959. In 1968, Robert Noyce , Gordan Moore, Andrew Grove resigned from Fairchild Semiconductors

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history of microprocessors

HISTORY OF MICROPROCESSORS

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

history of microprocessors1
HISTORY OF MICROPROCESSORS
  • Fairchild Semiconductors (founded in 1957) invented the first IC in 1959.
  • In 1968, Robert Noyce, Gordan Moore, Andrew Grove resigned from Fairchild Semiconductors
  • They founded their own company Intel (Integrated Electronics).
  • Intel grown from 3 man start-up in 1968 to industrial giant by 1981.
  • It had 20,000 employees and $188 million revenue.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 4004
Intel 4004
  • Introduced in 1971.
  • It was the first microprocessor by Intel
  • It was a 4-bit MP.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 4040
Intel 4040
  • Introduced in 1974.
  • It was also 4-bit MP.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 8008
Intel 8008
  • Introduced in 1972.
  • It was first 8-bit MP.
  • Could execute 50,000 instructions per second.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 8080
Intel 8080
  • Introduced in 1973.
  • It was also 8-bit MP.
  • Was 10 times faster than 8008.
  • Could execute 5,00,000 instructions per second.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 8085
Intel 8085
  • Introduced in 1977.
  • It was also 8-bit MP.
  • Could execute 7,69,230 instructions per second.
  • It could access 64 KB of memory.
  • It had 256 instructions.
  • Over 100 million copies were sold.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 8086
Intel 8086
  • Introduced in 1978.
  • It was first 16-bit MP.
  • Could execute 2.5 million instructions per second.
  • It could access 1 MB of memory.
  • It had 22,000 instructions.
  • It had Multiply and Divide instructions.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 8088
Intel 8088
  • Introduced in 1979.
  • It was also 16-bit MP.
  • Could execute 2.5 million instructions per second.
  • It could access 1 MB of memory.
  • It had 22,000 instructions.
  • It had Multiply and Divide instructions.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 80186 80188
Intel 80186 & 80188
  • Introduced in 1982.
  • They were 16-bit MPs.
  • They had additional components like:
    • Interrupt Controller
    • Clock Generator
    • Local Bus Controller
    • Counters

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 80286
Intel 80286
  • Introduced in 1982.
  • It was 16-bit MP.
  • It could address 16 MB of memory.
  • It could execute 4 million instructions per second.
  • Its clock speed was 8 MHz.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 80386
Intel 80386
  • Introduced in 1986.
  • It was first 32-bit MP.
  • It could address 4 GB of memory.
  • Different versions:
    • 80386 SX
    • 80386 SL / 80386 SLC
    • 80386 EX

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel 80486
Intel 80486
  • Introduced in 1989.
  • It was also 32-bit MP.
  • It had 1.2 million transistors.
  • Cache memory was introduced.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel pentium
Intel Pentium
  • Introduced in 1993.
  • It was also 32-bit MP.
  • It was originally named 80586.
  • Could execute 110 million instructions per second.
  • Cache memory:
    • 8 KB for instructions.
    • 8 KB for data.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel pentium pro
Intel Pentium Pro
  • Introduced in 1995.
  • It was also 32-bit MP.
  • It had 21 million transistors
  • Cache memory:
    • 8 KB for instructions.
    • 8 KB for data.
  • It had L2 cache of 256 KB.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel pentium ii
Intel Pentium II
  • Introduced in 1997.
  • It was also 32-bit MP.
  • Could execute 333 million instructions per second.
  • MMX technology was supported.
  • L2 cache & processor were on one circuit.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel pentium ii xeon
Intel Pentium II Xeon
  • Introduced in 1998.
  • It was also 32-bit MP.
  • It was designed for servers.
  • L1 cache of 32 KB & L2 cache of 512 KB, 1MB or 2 MB.
  • It could work with 4 Xeons in same system.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel pentium iii
Intel Pentium III
  • Introduced in 1999.
  • It was also 32-bit MP.
  • Its clock speed was 1GHz.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel pentium iv
Intel Pentium IV
  • Introduced in 2000.
  • It was also 32-bit MP.
  • L1 cache was of 32 KB & L2 cache of 256 KB.
  • It had 42 million transistors.
  • All internal connections were made from aluminium to copper.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel dual core
Intel Dual Core
  • Introduced in 2006.
  • It was 32-bit or 64-bit MP.
  • It had two cores.
  • It supported SMT technology.
  • SMT: Simultaneously Multi-Threading
  • E.g.: Adobe Photoshop supported SMT.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

slide21

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com

intel core 2 duo
Intel Core 2 Duo
  • Introduced in 2006.
  • It was 32-bit or 64-bit MP.

Gursharan Singh Tatla

professorgstatla@gmail.com

www.eazynotes.com