WHAT IS A MICROPROCESSOR?

MICROPROCESSOR

The microprocessor is also known as the processor, central processing unit (CPU) 'chip'. It is the brain of the computer and all the work that happens on the computer depends on it. To add two digits or listen to music or type in emails, small to the big and small larger task is accomplished through the processor itself.


Every instruction given to the computer reaches the microprocessor and performs data processing. Processing means executing instructions and presenting results. Not just computers, every electronic device from the calculator to clocks and television has some kind of microprocessor.


WHAT IS A MICROPROCESSOR?


A microprocessor is a microchip mounted on a motherboard. Microprocessors are used in mobiles, computers, laptops, etc. The microprocessor is designed to use (arithmetic/logic unit). A microprocessor is used to control the coordination between hardware and software. And we can also call it a device that is used to control the instructions of the software.


Note: The power of the processor depends on the Gigahertz (GHz), that is, the faster the processor, the more Gigahertz (GHz) it will compute.


HISTORY OF MICROPROCESSOR


  • The microprocessor was first built in 1970 (for integrated electronics). This microprocessor was ordered by the Japanese company Bijikam to Intel. In which a 4-bit microprocessor is connected. Which is called 4004.
  • It was then announced in the second generation in 1974 to make a powerful microprocessor (8008) as a single chip. And this chip became very powerful in less than a year.
  • After this, in 1978, itel released a 16 bit 8086 processor 1978. Which was represented by Intel's 8086 and Zilog Z8000. The minicomputer was performed with a 16-bit processor in this microprocessor.
  • After the third generation in 1990, Intel released the i386 processor. This processor was the first i386 commercially available 32-bit microprocessor. And for the first time in this microprocessor, it was possible to run more than one program at a time.

WHAT IS A PROCESSOR CORE? (WHAT IS CORE IN MICROPROCESSOR?)


A core is a calculating unit or chip inside a microprocessor, the processor speed depends on this chip. Processors are of different cores, a processor with a single core is called a Single Core Processor. Single-Core Processor used to hang more and more, so to increase its capacity, additional cores are installed in the processor, based on the number of processors are named -


  1. Dual-Core Processor
  2. Quad Core Processor
  3. Hexa Core Processor
  4. Octa Core Processor
  5. Deca Core Processor

  • Dual Core


Dual-Core processors have two cores or processors. They are twice as fast as a single processor.


  • Quad-Core

A quad-core processor consists of four independent units called cores, which read and execute the instructions of the central processing unit (CPU).


  • Hexa Core

Hexa Core is a multi-core processor that comes with six cores and has the ability to work faster than dual-core and quad-core processors.


  • The Octa-Core

Octa-core processor is composed of eight processor cores.


  • Deca Core

Dea core processors have 10 CPU cores on a single chip.


TYPES OF MICROPROCESSOR


1. 8085 Microprocessor: This microprocessor was introduced by Intel in 1977. It is an 8-bit data bus microprocessor. Which can work up to a frequency of 5 MHz. Its chip consists of 40 pins. Which multiplexes the lower order address bus with the data bus to reduce the chip size.


2. 8086 Microprocessor: This is one such microprocessor. In which 16 data lines are connected with 20 address lines, 16-bit microprocessors, and 1MB of storage. And the 8086 microprocessor has a powerful Instructions set, which makes it easy to perform tasks such as multiplication, division.


3. CISC Microprocessor (Complex Instruction Set Computing): It is a slow microprocessor. Which is used for playing games, listening to music, adding text, and doing a lot of work. Its speed is slower than that of RISC-type processors due to higher functioning. It is mainly used in desktop, laptop computing.


4. Intel RISC (Reduced Instruction Set Computer): This is a low instruction set microprocessor. Which makes it execute very fast due to simple and short instruction. This type of microprocessor is designed for special tasks such as databases, servers, email clients, etc., so it is mainly used in server computers.


FEATURES OF MICROPROCESSOR


  1. The function of the microprocessor performs arithmetic and logical movements.
  2. This microprocessor has 74 instruction sets.
  3. It is an 8-bit microprocessor.
  4. In this microprocessor, the first 8 lines of the address bus and 8 lines of the data bus are multiplied by AD0-AD7. And the data bus is a group of 8 lines D0-D7.
  5. This microprocessor can be used to implement a three-chip microcomputer (8085, 8155, 8355).

ADVANTAGES OF MICROPROCESSOR


  1. The microprocessor can rapidly transfer data between different memory locations.
  2. Microprocessors are used to perform complex mathematical tasks.
  3. One advantage of a microprocessor is its speed, which is measured in hertz. For example, a microprocessor with 3 GHz, soon GHz, is capable of performing 3 billion tasks per second.

DISADVANTAGES OF MICROPROCESSOR


  1. There are limits to the size of the data in the microprocessor.
  2. Most microprocessors do not support floating-point operation.
  3. The microprocessor has no internal peripherals like ROM, RAM, and other I / O devices.

CLASSIFICATION OF MICROPROCESSOR


  1. 4-bit processors (Intel 404 4004)
  2. 8-bit processors(8008,8080,8085motorola 6800(m6800))
  3. 16-bit processor(8086,8088,zilog,z800,80186,80286)
  4. 32-bit processor(Intel 80386,80387,80486 PENTIUM pro )

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