MICROPROCESSOR
MICROPROCESSOR
# BASIC
ALU(Arithmetic and logic unit)
REGISTERS
- Microprocessor is a brain of Microcomputer.
- It is a single chip which is capable of processing data.
- It controls all components of a microcomputer.
- It execute sequence of Instruction.
- Microprocessor fetch,decode and execute the instruction.
- Microprocessor were first introduced in early 1970.
- 4004 was the first general purpose Microprocessor used by Intel in building personal computer.
- Microprocessor are two types- 1) General purpose (smart phone,laptop etc. are included.). 2) Specialized purpose (Graphic processing machine version).
- Microprocessor component - CPU , BUS , MEMORY. * The main component of Microprocessor
ALU(Arithmetic and logic unit)
Arithmetic purpose are addition , subtraction , multiplication & division also of a number it compare, Rotates the bits of a number it compare,increment an number or decrement of a number.
ACCUMULATOR
An Accumulator is a register for short-term,intermediate storage of arithmetic and logic data in a computer's CPU(central processing unit). The term "accumulator" is rarely used in reference to contemporary CPUs, having been replaced around the turn of the millennium by the term "register".
An Accumulator is a register for short-term,intermediate storage of arithmetic and logic data in a computer's CPU(central processing unit). The term "accumulator" is rarely used in reference to contemporary CPUs, having been replaced around the turn of the millennium by the term "register".
Register include in accumulator general purpose register and special purpose register which content one of the operands of an instruction to be executed.
- It also store result after the execution of an Arithmetic and logical instruction.
- General purpose register are used to store data and hold intermediate result while execution a program.
- Special purpose register are used by the microprocessor it self. Example:- program counter stack pointer and status register. TIMING AND CONTROL UNIT
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