Table of Contents
- 1 Why is the microprocessor important?
- 2 What can 8086 do?
- 3 What are the advantages of 8086 over 8085?
- 4 What are the 3 most important parts of a microprocessor?
- 5 Why it is called 8086 microprocessor?
- 6 What is the supply requirement of 8086?
- 7 How many flags are there in 8086?
- 8 Why 8086 is more faster than 8086 microprocessor?
- 9 What do you need to know about the 8086 microprocessor?
- 10 What’s the difference between 8086 and 8085 instruction queues?
- 11 When is the 40th anniversary of the Intel 8086?
Why is the microprocessor important?
A Microprocessor is an important part of a computer architecture without which you will not be able to perform anything on your computer. It is a programmable device that takes in input performs some arithmetic and logical operations over it and produces the desired output.
What can 8086 do?
8086 CPU ARCHITECTURE Its job is to generate all system timing signals and synchronize the transfer of data between memory, I/O, and itself. It accomplishes this task via the three-bus system architecture previously discussed. The microprocessor also has a S/W function.
Is 8086 still used?
The success of the IBM PC made the 8086 architecture a standard that still persists, 42 years later. In any case, the decision to use the 8088 processor cemented the success of the x86 family. The IBM PC AT (1984) upgraded to the compatible but more powerful 80286 processor.
What are the advantages of 8086 over 8085?
Better math. The 8086 included native support for more complex mathematical operations than the 8085 did, making it much easier to perform calculations using the built-in capability of the chip, without having to write your own routines to do the math. Doing the math in hardware is also faster.
What are the 3 most important parts of a microprocessor?
Microprocessor Components
- CPU.
- Bus.
- Memory.
What is the difference between 8085 and 8086?
8086 is 16 bit microprocessor whereas 8085 is 8 bit microprocessor. 8086 has 20 bit address bus while 8085 has 16 bit address buss. 8086 supports multiplication and division, whereas 8085 doesn’t support this job. 8086 operates in two modes, whereas 8085 operates in single operating mode.
Why it is called 8086 microprocessor?
Why do we call the 8086 microprocessor as an 16 bit microprocessor? There are exceptions, for example while the 8086 is considered a 16-bit CPU because it has a 16-bit data bus, the 8088 (which is software compatible with the 8086 and is also a 16-bit CPU) only has an 8-bit data bus which was less efficient.
What is the supply requirement of 8086?
8086 is a 16-bit microprocessor with a 16-bit data bus; 8088 has an 8-bit data bus. Data bus width is the only major difference. Figure 9–1 (a) The pin-out of the 8086 in maximum mode; (b) the pin-out of the 8086 in minimum mode. Both microprocessors require +5.0 V with a supply voltage tolerance of +10 percent.
How 8086 is faster than 8085?
The 8086 is enhanced version of 8085 microprocessor. It is 16-bit processor….Differences between 8085 and 8086 microprocessor.
| Property | 8085 Microprocessor | 8086 Microprocessor |
|---|---|---|
| Address Bus Size | 16-bit | 20-bit |
| Clock Speed | 3MHz | Varies in range 5.8 – 10 MHz |
| Duty Cycle for clock | 50% | 33% |
How many flags are there in 8086?
9 flags
Figure – Format of flag register There are total 9 flags in 8086 and the flag register is divided into two types: Status Flags – There are 6 flag registers in 8086 microprocessor which become set(1) or reset(0) depending upon condition after either 8-bit or 16-bit operation. These flags are conditional/status flags.
Why 8086 is more faster than 8086 microprocessor?
It was produced by Intel and first introduced in 1976. The 8086 is enhanced version of 8085 microprocessor. It is 16-bit processor….Differences between 8085 and 8086 microprocessor.
| Property | 8085 Microprocessor | 8086 Microprocessor |
|---|---|---|
| Data Bus Size | 8-Bit | 16-Bit |
| Address Bus Size | 16-bit | 20-bit |
| Clock Speed | 3MHz | Varies in range 5.8 – 10 MHz |
| Duty Cycle for clock | 50% | 33% |
What are the instruction set of 8086?
Branch Instructions
| Instruction | Description |
|---|---|
| INTO | Software interrupts to indicate overflow after arithmetic operation. |
| LOOP | Jump to defined label until CX = 0. |
| LOOPZ/LOOPE | Decrement CX register and jump if CX ≠ 0 and ZF = 1. |
| LOOPNZ/LOOPNE | Decrement CX register and jump if CX ≠ 0 and ZF = 0. |
What do you need to know about the 8086 microprocessor?
Microprocessor – 8086 Overview. 8086 Microprocessor is an enhanced version of 8085Microprocessor that was designed by Intel in 1976. It is a 16-bit Microprocessor having 20 address lines and16 data lines that provides up to 1MB storage. It consists of powerful instruction set, which provides operations like multiplication and division easily.
What’s the difference between 8086 and 8085 instruction queues?
Instruction − 8085 doesn’t have an instruction queue, whereas 8086 has an instruction queue. Pipelining − 8085 doesn’t support a pipelined architecture while 8086 supports a pipelined architecture. I/O − 8085 can address 2^8 = 256 I/O’s, whereas 8086 can access 2^16 = 65,536 I/O’s.
How many address lines does an Intel 8086 have?
Intel 8086 is built on a single semiconductor chip and packaged in a 40-pin IC package. The type of package is DIP (Dual Inline Package). Intel 8086 uses 20 address lines and 16 data- lines. It can directly address up to 2 20 = 1 Mbyte of memory.
When is the 40th anniversary of the Intel 8086?
The 8086 gave rise to the x86 architecture, which eventually became Intel’s most successful line of processors. On June 5, 2018, Intel released a limited-edition CPU celebrating the 40th anniversary of the Intel 8086, called the Intel Core i7-8086K.