LAPTOP STRUCTURE AND LOGIC

TASK 1 - THE HISTORY OF MICROPROCESSOR

STUDENT NAME -- MALLAWATHANTHRIGE RASIKA PERERA

PUPIL ID -- 15440329

YEAR| UNIT #| UNIQUE FEATURE| QUANTITY OF BITS\MEMORY| 1971| INTEL 4004| * 4KB Main Memory 5. 45 Guidelines * Was 1st pre-reglable device that has been used in calculators * PMOS Technology| 4 bit| 1972| INTEL 8008| * 16KB Main Memory * 48 Guidelines * PMOS Technology 5. slow| almost eight bit| 1973| INTEL 8008| * 64KB Main Memory * 2 microseconds clock cycle time 2. 500, 000 instructions/sec 5. 10x more quickly than 8008 * NMOS Technology 5. Drawback was that it needed 3 electric power supplies 5. Small personal computers were design and style using 8080 as CPU| 8 bit| 1975| INTEL 8085| 2. 64 KB Main Memory 5. 1 . 3 microseconds time clock cycle time * 246 Instructions| 8bit| 1978| INTEL 8086/8088| 2. 1KB Main Memory * Data Bus thickness of 8086 is 16 bit and 8 bit for 8088 * you MB Physical memory * four hundred nanoseconds time clock cycle time * six byte training cache pertaining to 8086 and 4 octet for 8088 * In 1981 IBM decided to work with 8088 in its personal computer| 16 bit| 1982| INTEL 80186| * 1MB Physical memory * Comprised special equipment like pre-reglable counters, interrupt controller etc .. * Under no circumstances used in the PC 2. Ideal for devices that essential a minimum of hardware| 16 bit| 1983| INTEL 80286| 5. 16 MB Main Memory * Instruction execution time is just as little since 250 ns * Give full attention to the features needed to implement MULTITASKING| 16 bit high performance processor with memory management and protection| 1986| INTEL 80386| * 4 GIG Main Memory 5. Improvements include page controlling in online environment * Include components circuitry intended for memory supervision and memory space assignment * Memory paging and increased I/O permissions| 32 bit| 1989| | * 4GB Main Memory 5. 8K octet cache using one package * About half with the instructions accomplished in...

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